WEATHER 1/14/19

DAILY FIRE WEATHER & FIRE INFO
To: ALL UNITS From:
EMAIL: pdupree@bdcecs.org
Ph: OFFICE:(760) 559-3032
AFTER 2200 HRS CALL (760)-244-9790
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COUNTY F.D RADIO: #733784 CALL SIGN: COM-330
Date: 1/14/19

SKYWARN: STAND BY ACTIVE APPROX 1300 HRS
NETS ON WED NIGHT @1900 HEAPS PK./WX
SKYWARN NET TUESDAY @ 1900 HRS TABLE Mt.
BRIEFS TABLE MT. ON SUN @ 1800 HRS

DAYS NO R.F. @ STA.:01

National Preparedness Level (PL 1 )

Southern California Area
Preparedness Level: (PL 2 )

Northern California Area
Preparedness Level (PL 1 )

SYNOP:
The first in a series of Pacific storms for this week will bring widespread wetting precipitation for this afternoon into Tuesday, with a second storm for Tuesday night into Wednesday, and a third for Wednesday night and Thursday. Dry and warmer for Friday through the weekend with moderate offshore flow for Friday and Saturday with strong and gusty northeast winds.
A Pacific storm system will move across the region Monday afternoon-Monday night. Ample moisture associated with this system will produce a period of heavy rainfall. Snow will fall above 5000 feet and will be quite heavy at the higher elevations. Areas of lighter rainfall will persist into Wednesday.

• A flash flood watch has been issued for all areas except the deserts
• A winter storm warning has been issued for the Riverside and San Bernardino Mountains above 5000 feet

Rainfall Monday evening has the potential to be heavy. Rainfall rates of 1-2 inches in only 6 hours and 0.5-0.75 inch in one hour will be possible. These amounts are capable of producing urban flooding and debris flows over recent burn scars. Expect runoff issues in poor drainage areas (especially urban and deserts) and low-water crossings may become impassable.

Precipitation amounts for Monday afternoon through the night:

Coast and Mountains: 1.00 to 2.00″ (up to 2.50″ in the San Bernardino Mountains)
Valleys: 0.75 to 1.50″
Deserts: 0.25 to 0.75″

Mountain Snowfall amounts Monday afternoon through Tuesday morning (snow levels fluctuating between 5000-6000 feet):

Between 5000-6000′: 1-5 inches
Between 6000-7000′: 6-12 inches
Over 7000′: 1-2 feet

There is the potential for another heavy precipitation event around Thursday, but for now confidence is low, and in fact some indications are looking like it could be a weak system by the time it reaches SoCal.

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
A wet and unsettled pattern taking over with widespread chances for rain and mountain snow into Friday. Winds will generally remain on the lighter side until later in the week. Little in the way of fire concerns for much of the forecast period

WEATHER IMPACTS
Mountains | Sierra Nevada/White Mtns/Spring Mountains/Sheep Range
HIGH Confidence Hazardous travel conditions on area roadways due to icy or snow-packed roads.
Road closures or restrictions due to snowfall.
Low visibility due to snow and blowing snow.

LOW Confidence Increased avalanche danger.

Deserts | SE California, S Nevada, NW Arizona
HIGH Confidence
Hazardous travel conditions on area roadways due to wet, slick roads.
Air travel delays at McCarran due to low clouds and rain.
Moderate to heavy rain leading to minor nuisance flooding.
Water flowing in normally dry washes, flood channels, and low water crossings.

MODERATE Confidence Low visibility due to areas of fog.

LOW Confidence Localized rockslides possible in canyons and steep hillsides.

FORECAST DETAILS
Mountains | Sierra Nevada/White Mtns/Spring Mountains/Sheep Range
Timing
Sierra Nevada / White: Snow starting midday, increasing thru 4pm, decreasing after midnight.
Springs / Sheep: Snow starts after 4pm, increasing thru 12am, decreasing after 4am TUE.

Snowfall
6-14″ above 5,500′; 1-2′ abv 9000′.

Deserts | SE California, S Nevada, NW Arizona

Timing
Inyo/SanBern/Esmeralda: Precip. moving in after midday, increasing through 4pm, decreasing after midnight.
Clark/Nye/Lincoln: Precip moving in after 4pm, increasing thru midnight, decreasing after 4am.
Mohave: Precip moving in a􀅌er 6pm, increasing thru midnight, lingering through at least midday.

Precip
Snow: 3-7″+ above 5,500′ in Inyo, Esmeralda, Nye, Lincoln, up to 5″ N Owens Valley above 4,000′.
Rain: 0.25-0.5″ with locally higher amounts of 0.75-1″+ possible.

SPECIAL NOTES:

DAILY FUELS/FIRE POTENTIAL:

SANTA ANA WILDFIRE THREAT INDEX: TODAY: GREY-NO RATING

NO RATING: Sundowner winds are either not expected, or will not contribute to
significant fire activity.

MARGINAL: Upon ignition, fires may grow rapidly.

MODERATE: Upon ignition, fires will grow rapidly and will be difficult to control.

HIGH: Upon ignition, fires will grow very rapidly, will burn intensely, and will be very difficult to control

EXTREME: Upon ignition, fires will have extreme growth, will burn very intensely, and will be uncontrollable.

Zones JAN.14 JAN.15 JAN.16 JAN.17 JAN.18 JAN.19
Zone 1:
LA-Ventura NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE
Zone 2:
Orange-Inland Empire NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE
Zone 3:
San Diego NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE
Zone 4:
Santa Barbara NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE

————————————————————————————–
APPLE VALLEY / HESPERIA-VICTOR VALLEY (CAZ260):
TODAY… Sky/weather………Mostly cloudy. Slight chance of rain in the morning, then rain in the afternoon.
Max temperature…..48 to 53.
24 HR TREND……Little change.
Min humidity……..50 to 60 percent.
24 HR TREND……Up 5 percent.
WIND (20 FT)……..Winds southeast 6 to 16 mph with gusts to 30 mph.
CWR (>0.10 IN)……74 percent. LAL……………..1.

.TONIGHT… Sky/weather………Cloudy. Rain likely in the evening, then chance of rain after midnight.
Min temperature…..35 to 40.
24 HR TREND……Up 3 degrees.
Max humidity……..90 to 100 percent.
24 HR TREND……Little change.
WIND (20 FT)……..Winds south 6 to 11 mph. Gusts to 25 mph in the evening.
CWR (>0.10 IN)……23 percent. LAL……………..1.

.TUESDAY… Sky/weather………Mostly cloudy. Chance of rain.
Max temperature…..50 to 55.
24 HR TREND……Up 1 degree.
Min humidity……..45 to 55 percent.
24 HR TREND……Down 5 percent.
WIND (20 FT)……..Winds south 6 to 12 mph with gusts to 25 mph.
CWR (>0.10 IN)……24 percent. LAL……………..1.

WRIGHTWOOD:
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING

WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 10 AM PST
TUESDAY ABOVE 5000 FEET
Monday
Snow, mainly after 10am. Areas of fog after 10am. High near 38. Windy, with a southeast wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow. Areas of fog. Low around 31. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday
A chance of snow. Areas of fog. Otherwise, mostly cloudy, with a high near 38. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow likely. Areas of fog. Otherwise, cloudy, with a low around 34. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

BIG PINES / WEST WRIGHTWOOD AREA
WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 10 AM PST TUESDAY
Monday
Snow, mainly after 10am. High near 38. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Monday Night
Snow. Low around 31. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Tuesday
Snow likely. Cloudy, with a high near 39. Breezy, with a south wind 15 to 20 mph becoming east southeast in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow likely before 10pm, then rain. Low around 34. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

PHELAN:
Monday
Rain, mainly after 10am. Areas of fog after 10am. High near 47. Breezy, with a southeast wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Areas of fog. Low around 35. Southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 46. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

TRONA:
Monday
Rain, mainly after 4pm. High near 54. Northeast wind 7 to 10 mph. Chance of precipitation is 80%.
Monday Night
Rain. Low around 39. North wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 90%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 55. South southwest wind 5 to 8 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 43. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
.TODAY… * Sky/Weather………Mostly cloudy with isolated showers through the day.
* Max temperature:
* Valley floor….56-61.
* 24 hr trend…..Little change.
* Min humidity:
* Valley floor….39-49 percent.
* 24 hr trend…..On average up 8 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….East wind 10 to 15 mph.
* 10000 ft msl….South 15 to 25 mph increasing to 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….40 percent. * LAL……………..1.
* Haines Index……..3.

.TONIGHT… * Sky/Weather………Mostly cloudy. Rain in the evening, then rain likely after midnight.
* Min temperature:
* Valley floor….36-41.
* 24 hr trend…..On average up 2 degrees.
* Max humidity:
* Valley floor….94-99 percent.
* 24 hr trend…..On average up 28 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Southeast wind up to 10 mph in the evening
becoming downslope/downvalley 2 to 5 mph.
* 10000 ft msl….South 35 to 45 mph.
* CWR (>= 0.10 in)….90 percent decreasing to 80 percent after midnight. * LAL……………..1.
* Haines Index……..2.

.TUESDAY… * Sky/Weather………Mostly cloudy then becoming partly cloudy. Scattered rain in the morning, then scattered showers in the afternoon.
* Max temperature:
* Valley floor….55-60.
* 24 hr trend…..Little change.
* Min humidity:
* Valley floor….56-66 percent.
* 24 hr trend…..On average up 17 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph becoming south up to 10 mph in the afternoon.
* 10000 ft msl….Southwest 25 to 35 mph becoming 25 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….10 percent. * LAL……………..1.
* Haines Index……..2.

BAKER:
Monday
Rain likely after 4pm. Mostly cloudy, with a high near 61. North northwest wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Monday Night
Rain. Low around 40. South wind 3 to 7 mph. Chance of precipitation is 80%.
Tuesday
Scattered showers before 10am, then a slight chance of showers after 4pm. Partly sunny, with a high near 60. South wind around 7 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 41. Light and variable wind.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST TUESDAY ABOVE 4000 FEET
TODAY… * Sky/Weather………Mostly cloudy. Scattered snow showers and showers in the morning, then snow showers and showers in the afternoon.
* Max temperature:
* Valley floor….43-48.
* 7000 feet…….31-36.
* 24 hr trend…..On average down 6 degrees.
* Min humidity:
* Valley floor….43-52 percent.
* 7000 feet…….57-67 percent.
* 24 hr trend…..On average up 24 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph.
* Upper slopes….Southeast winds 10 to 15 mph.
* 10000 ft msl….Southeast 20 to 30 mph increasing to 30 to 40 mph
in the afternoon.
* CWR (>= 0.10 in)….10 percent increasing to 90 percent in the afternoon. * LAL……………..1.
* Haines Index……..2.

.TONIGHT… * Sky/Weather………Mostly cloudy. Snow and rain in the evening, then snow and rain likely after midnight.
* Min temperature:
* Valley floor….28-33.
* 7000 feet…….8-13.
* 24 hr trend…..On average up 5 degrees.
* Max humidity:
* Valley floor….83-88 percent.
* 7000 feet…….85-90 percent.
* 24 hr trend…..On average up 15 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph becoming southeast up to 10 mph after midnight.
* Upper slopes….Southwest winds 10 to 15 mph.
* 10000 ft msl….South 25 to 35 mph decreasing to 20 to 30 mph after midnight.
* CWR (>= 0.10 in)….85 percent decreasing to 45 percent after midnight. * LAL……………..1.
* Haines Index……..3.

.TUESDAY… * Sky/Weather………Mostly cloudy. Snow and rain likely in the
morning, then snow showers likely and scattered showers in the afternoon.
* Max temperature: * Valley floor….44-49. * 7000 feet…….34-39. * 24 hr trend…..Little change.
* Min humidity:
* Valley floor….61-71 percent.
* 7000 feet…….58-68 percent.
* 24 hr trend…..On average up 10 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Southeast winds 10 to 15 mph.
* Upper slopes….Southwest winds 10 to 15 mph with gusts to around
30 mph.
* 10000 ft msl….Southwest 15 to 25 mph.
* CWR (>= 0.10 in)….30 percent increasing to 55 percent in the afternoon. * LAL……………..1.
* Haines Index……..3.

INLAND EMPIRE (CAZ248):
FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON PST TODAY THROUGH THIS EVENING FOR THE COAST…VALLEYS…AND MOUNTAINS BELOW 5000 FEET
TODAY… Sky/weather………Cloudy. Chance of rain in the morning, then rain in the afternoon.
Max temperature…..53 to 58.
24 HR TREND……Down 4 degrees.
Min humidity……..50 to 60 percent.
24 HR TREND……Up 10 percent.
WIND (20 FT)……..Winds east 6 to 16 mph becoming south 6 to 15 mph in the afternoon. Gusts to 30 mph.
CWR (>0.10 IN)……100 percent. LAL……………..1.

.TONIGHT… Sky/weather………Cloudy. Rain in the evening, then chance of rain after midnight.
Min temperature…..42 to 47.
24 HR TREND……Down 2 degrees.
Max humidity……..90 to 100 percent.
24 HR TREND……Up 25 percent.
WIND (20 FT)……..Winds southeast 6 to 9 mph. Gusts to 20 mph in the evening.
CWR (>0.10 IN)……32 percent. LAL……………..1.

.TUESDAY… Sky/weather………Mostly cloudy. Rain likely in the morning, then chance of rain in the afternoon.
Max temperature…..52 to 59.
24 HR TREND……Little change.
Min humidity……..55 to 65 percent.
24 HR TREND……Up 5 percent.
WIND (20 FT)……..Winds south around 6 mph.
CWR (>0.10 IN)……30 percent. LAL……………..1.

DEVORE:
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING
Monday
Rain, mainly after 10am. The rain could be heavy at times. High near 58. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 46. Southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

CHINO HILLS:
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING
Monday
Rain, mainly after 10am. The rain could be heavy at times. High near 59. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 47. East wind 5 to 10 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 58. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 47. South wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

COLTON:
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING
Monday
Rain, mainly after 10am. The rain could be heavy at times. High near 62. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 48. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60. North wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 48. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING
WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 10 AM PST
TUESDAY ABOVE 5000 FEET
. .TODAY… Sky/weather………Cloudy. Slight chance of rain and snow in the morning, then rain and snow in the afternoon. Areas of fog in the afternoon.
Max temperature…..30 to 40 above 6000 feet to 39 to 46 below 6000 feet.
24 HR TREND……Up 5 degrees.
Min humidity……..55 to 65 percent on desert slopes to 60 to 70 percent on coastal slopes.
24 HR TREND……Up 10 percent.
WIND (20 FT)……..
SLOPES………..Winds east 7 to 17 mph becoming south 9 to 17 mph in the afternoon. Gusts to 35 mph.
RIDGETOP………Winds south 13 to 23 mph with gusts to 45 mph.
CWR (>0.10 IN)……97 percent. LAL……………..1.

.TONIGHT… Sky/weather………Cloudy. Areas of fog. Rain and snow in the evening. Snow likely and chance of rain after midnight.
Min temperature…..19 to 29 above 6000 feet to 29 to 37 below 6000 feet.
24 HR TREND……Up 1 degree.
Max humidity……..90 to 100 percent.
24 HR TREND……Little change.
WIND (20 FT)……..
SLOPES………..Winds south 6 to 14 mph with gusts to 30 mph.
RIDGETOP………Winds southwest 13 to 22 mph with gusts to 45 mph.
CWR (>0.10 IN)……54 percent. LAL……………..1.

.TUESDAY… Sky/weather………Mostly cloudy. Areas of fog. Chance of rain and snow.
Max temperature…..29 to 38 above 6000 feet to 37 to 46 below 6000 feet.
24 HR TREND……Down 4 degrees.
Min humidity……..45 to 55 percent.
24 HR TREND……Down 15 percent.
WIND (20 FT)……..
SLOPES………..Winds southwest 6 to 14 mph with gusts to 30 mph.
RIDGETOP………Winds southwest 11 to 17 mph with gusts to 35 mph.
CWR (>0.10 IN)……27 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING
WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 10 AM PST
TUESDAY ABOVE 5000 FEET
Monday
A slight chance of rain and snow before 10am, then rain. The rain could be heavy at times. Areas of fog after 10am. High near 46. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Areas of fog. Low around 32. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday
A chance of rain and snow before 10am, then a chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 41. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a low around 33. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible

BIG BEAR SCHOOL AREA:
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING
WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 10 AM PST
TUESDAY ABOVE 5000 FEET
Monday
Snow, mainly after 4pm. Areas of fog after 10am. High near 38. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow. Areas of fog. Low around 25. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Tuesday
A chance of snow. Areas of fog. Otherwise, partly sunny, with a high near 35. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow. Areas of fog. Otherwise, mostly cloudy, with a low around 25. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

BANNING PASS:
TODAY… Sky/weather………Mostly cloudy. Rain likely in the afternoon.
Max temperature…..58 to 63.
24 HR TREND……Down 9 degrees.
Min humidity……..50 to 60 percent.
24 HR TREND……Up 15 percent.
WIND (20 FT)……..Variable 2 to 5 mph becoming southeast 6 to 8 mph with gusts to 20 mph in the afternoon.
CWR (>0.10 IN)……61 percent. LAL……………..1.

.TONIGHT… Sky/weather………Cloudy. Rain likely.
Min temperature…..44 to 50.
24 HR TREND……Up 3 degrees.
Max humidity……..85 to 95 percent.
24 HR TREND……Up 25 percent.
WIND (20 FT)……..Winds north around 6 mph in the evening
becoming variable 2 to 4 mph.
CWR (>0.10 IN)……54 percent.
LAL……………..1.

.TUESDAY… Sky/weather………Cloudy…becoming partly cloudy. Slight chance of rain.
Max temperature…..59 to 64.
24 HR TREND……Up 4 degrees.
Min humidity……..40 to 50 percent.
24 HR TREND……Little change.
WIND (20 FT)……..Variable 2 to 4 mph becoming south around 6 mph in the afternoon.
CWR (>0.10 IN)……7 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ261):
TODAY… * Sky/weather……Mostly cloudy. Slight chance of showers in the morning becoming chance of showers in the afternoon.
* Max Temperature……………..44-56.
* 24 hr trend………………Little change.
* Min Humidity………………..60-71 pct.
* 24 hr trend………………6 pct wetter.
* Winds – 20 foot…Slope/Valley..Southeast 5 to 15 mph.
* Winds…10000 FT MSL…………South 25 to 35 mph.
* Chance of Precip…………….40 percent. * CWR (>= 0.10 IN)…………….10 percent. * LAL………………………..1.
* Haines High Level Index………2 or very low potential for large plume dominated fire growth.

.TONIGHT… * Sky/weather…………..Cloudy. Showers likely in the evening becoming showers after midnight.
* Min Temperature……………..37-44.
* 24 hr trend………………Little change.
* Max Humidity………………..93-100 pct.
* 24 hr trend………………15 pct wetter.
* Winds – 20 foot…Slope/Valley..South 5 to 15 mph.
* Winds…10000 FT MSL…………South 35 to 45 mph.
* Chance of Precip…………….80 percent. * CWR (>= 0.10 IN)…………….80 percent. * LAL………………………..1.

.TUESDAY… * Sky/weather…………………Partly sunny. Slight chance of showers.
* Max Temperature……………..48-58.
* 24 hr trend………………3 degrees warmer.
* Min Humidity………………..58-69 pct.
* 24 hr trend………………Little RH change.
* Winds – 20 foot…Slope/Valley..South 5 to 15 mph.
* Winds…10000 FT MSL…………Southwest 20 to 30 mph in the
morning becoming 35 to 45 mph in the afternoon.
* Chance of Precip…………….30 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………3 or very low potential for large plume dominated fire growth.

NEEDLES, RIVER BAT. (CAZ229):
TODAY… * Sky/Weather………Partly cloudy then becoming mostly cloudy.
* Max temperature:
* Valley floor….60-65.
* 24 hr trend…..On average up 2 degrees.
* Min humidity:
* Valley floor….36-45 percent.
* 24 hr trend…..On average up 6 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind up to 10 mph in the morning becoming
upslope/upvalley 4 to 8 mph. Gusts up to 20 mph.
* 10000 ft msl….South 15 to 20 mph increasing to 25 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..2.
* Mixing height…….6700 ft agl.
* Transport winds…..North around 10 knots shifting to the southeast in the afternoon.
* Ventilation………Very good.

.TONIGHT… * Sky/Weather………Cloudy. Rain likely in the evening, then rain
after midnight.
* Min temperature:
* Valley floor….42-47.
* 24 hr trend…..On average up 6 degrees.
* Max humidity:
* Valley floor….93-98 percent.
* 24 hr trend…..On average up 29 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….South 30 to 40 mph increasing to 45 to 55 mph
after midnight.
* CWR (>= 0.10 in)….35 percent increasing to 90 percent after midnight. * LAL……………..1.
* Haines Index……..2.

.TUESDAY… * Sky/Weather………Mostly cloudy. Rain likely in the morning, then scattered showers in the afternoon.
* Max temperature:
* Valley floor….57-62.
* 24 hr trend…..On average down 3 degrees.
* Min humidity:
* Valley floor….60-69 percent.
* 24 hr trend…..On average up 24 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph becoming southeast up to 10 mph in the afternoon.
* 10000 ft msl….South 35 to 45 mph becoming southwest 25 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….80 percent decreasing to 25 percent in the afternoon. * LAL……………..1.
* Haines Index……..2.
* Mixing height…….5200 ft agl.
* Transport winds…..South around 10 knots.
* Ventilation………Good.

STATELINE – CLARK COUNTY BORDER:
TODAY…
* Sky/Weather………Partly cloudy then becoming mostly cloudy.
* Max temperature:
* 4000 feet…….54-59.
* 24 hr trend…..On average up 2 degrees.
* Min humidity:
* 4000 feet…….37-47 percent.
* 24 hr trend…..On average up 8 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northeast winds up to 10 mph.
* 10000 ft msl….Southeast 15 to 25 mph increasing to south 25 to
35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent.
* LAL……………..1.
* Haines Index……..2.
* Mixing height…….4300 ft agl.
* Transport winds…..Light winds becoming east around 10 knots in
the afternoon.
* Ventilation………Fair.

.TONIGHT… * Sky/Weather………Cloudy. Rain.
* Min temperature:
* 4000 feet…….36-41.
* 24 hr trend…..On average up 6 degrees.
* Max humidity:
* 4000 feet…….93-98 percent.
* 24 hr trend…..On average up 27 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….South 35 to 45 mph increasing to 40 to 50 mph
after midnight.
* CWR (>= 0.10 in)….75 percent increasing to 90 percent after midnight. * LAL……………..1.
* Haines Index……..2.

.TUESDAY… * Sky/Weather………Mostly cloudy. Rain likely in the morning, then scattered showers in the afternoon.
* Max temperature: * 4000 feet…….50-55. * 24 hr trend…..On average down 4 degrees.
* Min humidity: * 4000 feet…….63-73 percent. * 24 hr trend…..On average up 26 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph.
* 10000 ft msl….Southwest 30 to 40 mph decreasing to 25 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….60 percent decreasing to 15 percent in the afternoon. * LAL……………..1.
* Haines Index……..2.
* Mixing height…….5400 ft agl.
* Transport winds…..Light winds.
* Ventilation………Fair.

*************************** OUT OF COUNTY ********************************
LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
Monday
Rain, mainly after 10am. High near 57. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 47. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Tuesday
Rain likely. Cloudy, with a high near 58. East southeast wind around 10 mph. Chance of precipitation is 70%.
Tuesday Night
Rain likely. Cloudy, with a low around 49. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
Monday
Rain, mainly after 10am. High near 59. East southeast wind around 10 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 46. Southeast wind around 10 mph. Chance of precipitation is 90%.
Tuesday
Rain likely. Cloudy, with a high near 59. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Tuesday Night
Rain likely. Cloudy, with a low around 48. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

SANTA CLARITA VALLEY:
Monday
Rain, mainly after 10am. High near 53. East northeast wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 44. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Tuesday
Rain likely. Cloudy, with a high near 55. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Tuesday Night
Rain likely. Cloudy, with a low around 47. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
Monday
Rain. High near 54. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 46. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Tuesday
Rain. High near 54. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 47. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

ANGELES NATIONAL FOREST (CAZ253):
WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 10 AM PST TUESDAY
Monday
Rain, mainly after 10am. High near 44. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 38. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Tuesday
Rain. High near 45. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 42. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

ANTELOPE VALLEY (CAZ259):
Monday
Rain, mainly after 10am. High near 49. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday Night
Rain, mainly before 4am. Low around 37. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday
Rain likely, mainly after 10am. Cloudy, with a high near 51. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Cloudy, with a low around 41. East southeast wind 5 to 10 mph becoming south in the evening. Chance of precipitation is 60%.

KERN CO. DESERTS (CAZ298):
MONDAY… Sky/weather………Mostly cloudy. Slight chance of showers in the morning, then showers likely in the afternoon.
Max Temperature…..47-52. 24 HR Trend……Down 2-4 degrees.
Min Humidity……..50-60 percent. 24 HR Trend……Up 2-8 percent.
20-Foot Winds…….East 5-17 mph.
LAL……………..1.
Ventilation………Fair.
Mixing height…….1900 ft AGL.
Transport Winds…..East northeast 10-20 mph.
Chc Wetting Rain….20 percent.

.MONDAY NIGHT… Sky/weather………Cloudy. Showers likely.
Min Temperature…..35-40. 24 HR Trend……Little change.
Max Humidity……..85-95 percent. 24 HR Trend……Up 12-24 percent.
20-Foot Winds…….Northeast 5-15 mph in the early evening shifting to the northwest.
LAL……………..1. Chc Wetting Rain….50 percent.

.TUESDAY… Sky/weather………Mostly cloudy. Showers likely.
Max Temperature…..49-54. 24 HR Trend……Up 1-3 degrees.
Min Humidity……..62-72 percent. 24 HR Trend……Up 9-19 percent.
20-Foot Winds…….Southeast 5-15 mph.
LAL……………..1.
Ventilation………Good.
Mixing height…….4800 ft AGL.
Transport Winds…..Southwest around 15 mph.
Chc Wetting Rain….30 percent.

La Jolla CA
BEACH HAZARDS STATEMENT IN EFFECT FROM MONDAY AFTERNOON THROUGH FRIDAY AFTERNOON

FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING
Monday
Rain, mainly after 10am. The rain could be heavy at times. High near 63. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 52. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
A chance of rain. Mostly cloudy, with a high near 62. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible

Poway CA
FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING
Monday
Rain, mainly after 10am. The rain could be heavy at times. High near 66. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 47. East wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
A chance of rain. Partly sunny, with a high near 63. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46. East wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

CEDAR CITY Ut.
DAYS TWO THROUGH SEVEN…Monday through Saturday

Valley inversions will remain in place through at least Tuesday,with patchy fog, low clouds and continued marginal air quality across most northern and western valleys.

A series of storm systems will impact the outlook area beginning over southwest Utah late Monday night or early Tuesday. Precipitation from this initial event will spread north and east during the day Tuesday. A second round of rain and snow will follow for late Tuesday night through Wednesday.

A somewhat stronger and colder storm system approaching from the west will impact much of the outlook area Thursday night through Friday. Widespread precipitation, mainly in the form of snow, will produce significant accumulations over the northern and central Utah mountains and in the adjacent valley locations.

Monday
Mostly sunny, with a high near 36. Light and variable wind.
Monday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 27. East wind around 5 mph.
Tuesday
A chance of snow showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 43. South wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 32. South wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

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THIS DAY IN WEATHER HISTORY:
2007: A cold snap settled over Southern California. Some remarkable records were set, particularly on 1/13 and on this day. -7° at Fawnskin, -2° at Big Bear City and Wrightwood, 5° at Hesperia and Mt. Laguna, 10° at Borrego Airport, 12° at Campo, 16° at Ramona, 18° at Thermal, 19° in Hemet, 20° at Camp Pendleton. $114.7 million in crop damage in San Diego Co. $86 million in Riverside Co. $11.1 in San Bernardino Co. $600 thousand damage from broken pipes in San Bernardino Co. All three counties were declared disaster areas.

2005: Extreme runoff from nearly a week of heavy rainfall forced the emergency release of water from Prado Dam into the Santa Ana River. Hundreds of residents had to evacuate and Corona Municipal Airport was flooded. Planes were moved to nearby streets to escape the flooding.

1997: A storm that began on 1/12 and ended on 1/15 brought 18 inches of snowfall to Mt. Laguna. Generally 18 inches to three feet of snow was reported above 2500 feet. The ski resort at Snow Valley remained open until 5/18, the latest in its 78 year history. 13 illegal immigrants die from exposure near Pine Valley.

1995: A heavy rain storm hit the northern Inland Empire. It dropped eight to nine inches of rain in Yucaipa, causing extensive flooding and road closures.

1993: A very wet series of storms that began on 1/6 and ended on 1/19 produced 20 to 50 inches of precipitation in the mountains and up to 12 inches at lower elevations over a two week period. It was one of the longest periods of consecutive days of rain on record (14) and measurable rain fell nearly every day from 1/2 to 1/19. Flooding and flash flooding, mud slides, etc., resulted. On this day, an F1 tornado struck the city of Buena Park, blowing out windows and downing trees, fences and street signs. No injuries were reported.

1990: A tornado in the East City Heights neighborhood of San Diego caused property damage. A waterspout turned tornado hit Shelter Island – San Diego and tossed boats.

1978: Starting on this day and ending on 1/15, 2.65 inches of precipitation fell in San Diego, the greatest 24-hour total on record for January.

1963: Sub freezing low temperatures gripped Southern California for a second consecutive day, damaging local citrus, avocado and flower crops. All-time record low temperatures were set in Elsinore (15°), Oceanside (20°), and Chula Vista (24°). It was 22° in Palm Springs, the second lowest temperature on record.

1952: A series of storms brought heavy rain and mountain snow to the region starting on 1/13 and ending on 1/18. 5.52 inches fell in San Bernardino over the six days. Flooding was reported in Upland and Ontario. Heavy snow hit the San Bernardino Mountains with 40 inches in Lake Arrowhead (with a snow depth of 46 inches), and 37 inches in Big Bear Lake. All mountain roads were blocked and closed because of snow slides.

1949: The high temperature of 46° in Santa Ana was the lowest high temperature on record. This also occurred on 1/19/1949 and 2/23/1953.

1916: Widespread heavy rains hit Southern California starting on this day and ending on 1/21. 8.5 inches fell during this period in San Bernardino. 16.71 inches fell in 24 hours at Squirrel Inn (near Lake Arrowhead) on 1/16 and on 1/17, a record 24 hour rainfall for California until 1943. More than nine inches fell in two storms in the Coachella Valley. Previous storms had deposited deep snow in the mountains, adding to the runoff. Widespread flooding resulted and at least 22 died. Roofs in Chula Vista, poultry farm in Vista, boats in Coronado and Newport were damaged. Most cities were completely inundated. Pine trees from Palomar Mountain floated down the San Luis Rey River through Oceanside. The cities of Indio, Coachella and Mecca were underwater. Ontario and Redlands were isolated and roads, railroads and bridges were washed out.

1882: A cold winter storm that started on 1/1 and ended on this day brought lots of snow to the lowlands. 15 inches of snow fell at San Bernardino. 3 feet of snow fell in Campo over four days and produced 8 foot drifts in spots. Two to five inches fell in outlying San Diego, including four inches along Poway Grade, 3 inches at El Cajon and one inch in Poway. 5 inches fell in Riverside. Light snow fell in Del Mar. Snow flakes fell, but did not stick at San Diego Lindbergh Field. Birds and livestock were killed, telegraph lines were knocked down and citrus crops were damaged.

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TROPICAL EAST PACIFIC REPORT:
There are no tropical cyclones in the Eastern North Pacific at this time.

The Eastern North Pacific hurricane season runs from May 15th through November 30th..

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CURRENT WEATHER @ HESP. @ 0705 Hrs. TEMP: 390 RH: 84% WIND: CALM
2.22” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 0.13” YTD S/F: 0.00” /
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