WEATHER 2/12/19

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

RADIO:(HAM) KG6ZHW
COUNTY F.D RADIO: #733784 CALL SIGN: COM-330
Date: 2/12/19

SKYWARN: NORMAL
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:
Today will be dry and warmer with increasing high clouds. For Wednesday through Thursday, a trough of low pressure to the north with direct tropical moisture into southern California with
periods of rain, becoming heavy at times for tonight and Thursday. There will also be strong gusty southwest winds in the mountains and deserts on Wednesday and Wednesday night, becoming westerly on Thursday. A large trough of low pressure over the western states will bring additional chances for mostly light showers for Friday through Monday.

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
There will be a slight warm up on today under increasing high clouds. Moisture associated with our next system will reach the southern Sierra Nevada tonight. The moisture will continue to stream eastward across the region Wednesday and Thursday with good chances of mountain snow and valley rain. Additional storms systems over the weekend will keep the region cooler than normal along with a threat of rain and snow showers.

A few minor updates. Models have come in a bit warmer with this system, which resulted in a few changes.
Higher snow levels
Lower snow totals
Introduction of slight rain-on-snow flooding risk for Owens Valley

WEATHER IMPACTS
Wednesday-Thursday
Minor roadway ponding, with flowing water in sensitive drainages – Owens Valley.
Increased avalanche danger in the eastern Sierra.
Road closures or chain restrictions due to snowfall.
LOW Confidence
Temporary fences and structures may be damaged or destroyed.
Travel delays at McCarran International Airport due to strong winds/rain/ceilings.
Heavy rain and warm temps on snowpack may result in increased runoff and flooding for the lower eastern Sierra slopes and Owens Valley

FORECAST DETAILS
Wednesday-Thursday
Timing
Sierra
Starting WED AM, peaking WED PM – THU NOON, decreasing THU PM.
Rest of the area
Starting WED NOON, peaking WED PM – THU AM, decreasing THU PM.

Snow Levels
Sierra
Starting briefly 5000′ WED, rising to 8500′ WED PM – THU
Spring Mountains, Mohave
Starting around 50000′ WED, increasing to around 8000′; WED PM – THU
Lincoln
Starting around 5000′ WED, increasing to 6500′-7000′ WED PM – THU

Snow Totals
Eastern Sierra Slopes Moderate Confidence
4-12″ between 6000′-8000′
12-24″ between 8000′-10000′
36″+ near ridgetops
Spring Mountains Low Confidence
3-6″ between 6000′-9000′
6-12″ above near ridge top
Lincoln/Nye/Esmeralda Low Confidence
T-2″ low elevation
3-6″ in the Mountains

Rain Totals Low Confidence
Owens Valley: 1+”
Clark/southern Nye/Mohave: 0.10-0.50″
San Bernadino:0.10-0.75″

DAILY FUELS/FIRE POTENTIAL:

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

—————————————————————————-
APPLE VALLEY / HESPERIA-VICTOR VALLEY (CAZ260):
TODAY… Sky/weather………Mostly sunny…becoming partly cloudy.
Max temperature…..53 to 58. 24 HR TREND……Up 8 degrees.
Min humidity……..15 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds east 6 to 11 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy…becoming mostly cloudy.
Min temperature…..35 to 40. 24 HR TREND……Up 11 degrees.
Max humidity……..40 to 50 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..Winds south 6 to 9 mph with gusts to 20 mph.
CWR (>0.10 IN)……3 percent. LAL……………..1.

.WEDNESDAY… Sky/weather………Cloudy. Chance of rain in the morning, then rain likely in the afternoon.
Max temperature…..51 to 57. 24 HR TREND……Down 3 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Up 15 percent.
WIND (20 FT)……..Winds south 8 to 18 mph with gusts to 35 mph.
CWR (>0.10 IN)……69 percent. LAL……………..1.

WRIGHTWOOD:
Tuesday
Mostly sunny, with a high near 45. South wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph.
Wednesday
Rain. Areas of fog. High near 43. Windy, with a southwest wind 30 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. Areas of fog. Low around 40. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

BIG PINES / WEST WRIGHTWOOD AREA
Tuesday
Mostly sunny, with a high near 43. South wind 5 to 10 mph.
Tuesday Night
Rain likely after 4am. Cloudy, with a low around 22. Windy, with a southeast wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Wednesday
Rain. The rain could be heavy at times. High near 40. Windy, with a southeast wind 30 to 35 mph becoming south southwest in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 90%.
Wednesday Night
Rain. The rain could be heavy at times. Low around 24. Windy, with a south wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%.

PHELAN:
Tuesday
Mostly sunny, with a high near 50. Southeast wind 5 to 10 mph.
Tuesday Night
Rain likely after 4am. Mostly cloudy, with a low around 37. South wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 47. Windy, with a south wind 15 to 25 mph increasing to 25 to 35 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 43. Windy, with a south wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible

TRONA:
Tuesday
Mostly sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 39. West southwest wind around 6 mph.
Wednesday
Rain, mainly after 10am. High near 53. Southwest wind around 8 mph. Chance of precipitation is 90%.
Wednesday Night
Rain likely. Cloudy, with a low around 44. Southwest wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….58-63. * 24 hr trend…..On average up 4 degrees.
* Min humidity: * Valley floor….11-17 percent. * 24 hr trend…..On average down 4 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Southeast wind up to 10 mph.
* 10000 ft msl….Southwest 20 to 30 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT… * Sky/Weather………Mostly cloudy.
* Min temperature: * Valley floor….37-42. * 24 hr trend…..On average up 11 degrees.
* Max humidity: * Valley floor….35-40 percent. * 24 hr trend…..On average down 8 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….South wind up to 10 mph.
* 10000 ft msl….Southwest 20 to 30 mph increasing to 25 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.WEDNESDAY… * Sky/Weather………Mostly cloudy. Scattered rain.
* Max temperature: * Valley floor….61-66. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….20-30 percent. * 24 hr trend…..On average up 11 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….South wind 10 to 15 mph.
* 10000 ft msl….Southwest 35 to 45 mph increasing to 50 to 60 mph in the afternoon.
* CWR (>= 0.10 in)….15 percent increasing to 70 percent in the afternoon. * LAL……………..1.
* Haines Index……..2.

BAKER:
Tuesday
Mostly sunny, with a high near 63. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 36. South southeast wind around 6 mph.
Wednesday
A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 60. South wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of rain, mainly before 10pm. Cloudy, with a low around 41. South southeast wind around 9 mph.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….49-54. * 7000 feet…….39-44. * 24 hr trend…..On average up 5 degrees.
* Min humidity: * Valley floor….20-28 percent. * 7000 feet…….20-30 percent. * 24 hr trend…..On average up 3 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….South winds up to 10 mph.
* Upper slopes….West winds 15 to 25 mph. Gusts up to 45 mph increasing to 55 mph in the afternoon.
* 10000 ft msl….Southwest 20 to 30 mph increasing to 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT… * Sky/Weather………Mostly cloudy. Scattered snow and rain.
* Min temperature: * Valley floor….33-38. * 7000 feet…….11-16. * 24 hr trend…..On average up 16 degrees.
* Max humidity: *Valley floor….71-76 percent. * 7000 feet…….67-72 percent. * 24 hr trend…..On average up 13 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….South winds 10 to 15 mph.
* Upper slopes….Windy. Southwest winds 20 to 30 mph with gusts to around 60 mph.
* 10000 ft msl….Southwest 35 to 45 mph.
* CWR (>= 0.10 in)….0 percent increasing to 45 percent after midnight. * LAL……………..1.
* Haines Index……..4.

.WEDNESDAY… * Sky/Weather………Mostly cloudy. Rain likely and snow.
* Max temperature: * Valley floor….48-53. * 7000 feet…….39-44. * 24 hr trend…..On average down 3 degrees.
* Min humidity: * Valley floor….42-52 percent. * 7000 feet….49-59 percent. * 24 hr trend…..On average up 24 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….South winds 10 to 15 mph.
* Upper slopes….Southwest winds 15 to 25 mph with gusts to around 40 mph.
* 10000 ft msl….Southwest 15 to 25 mph increasing to 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….90 percent increasing to 100 percent in the afternoon. * LAL……………..1.
* Haines Index……..2.

INLAND EMPIRE (CAZ248):
TODAY… Sky/weather………Mostly sunny…becoming partly cloudy.
Max temperature…..61 to 69. 24 HR TREND……Up 7 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds east 6 to 11 mph with gusts to 20 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy…becoming mostly cloudy.
Min temperature…..42 to 48. 24 HR TREND……Up 8 degrees.
Max humidity……..35 to 45 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds southeast 6 to 9 mph. Gusts to 20 mph in the evening.
CWR (>0.10 IN)……2 percent. LAL……………..1.

.WEDNESDAY… Sky/weather………Cloudy. Chance of rain in the morning, then rain in the afternoon.
Max temperature…..Around 61. 24 HR TREND……Down 7 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Up 20 percent.
WIND (20 FT)……..Winds south 6 to 8 mph.
CWR (>0.10 IN)……86 percent. LAL……………..1.

DEVORE:
Tuesday
Mostly sunny, with a high near 64. North wind 5 to 10 mph becoming light and variable in the morning.
Tuesday Night
Rain likely after 4am. Mostly cloudy, with a low around 46. Calm wind becoming west around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 55. West wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Low around 49. Light and variable wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

CHINO HILLS:
Tuesday
Mostly sunny, with a high near 65. East wind 5 to 10 mph becoming light and variable in the afternoon.
Tuesday Night
Rain after 4am. Low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 55. Light northeast wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Low around 50. Northeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

COLTON:
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph.
Tuesday Night
Rain likely after 4am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 60. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Low around 51. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
TODAY… Sky/weather………Mostly sunny…becoming partly cloudy.
Max temperature…..61 to 69. 24 HR TREND……Up 7 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds east 6 to 11 mph with gusts to 20 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy…becoming mostly cloudy.
Min temperature…..42 to 48. 24 HR TREND……Up 8 degrees.
Max humidity……..35 to 45 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds southeast 6 to 9 mph. Gusts to 20 mph in the evening.
CWR (>0.10 IN)……2 percent. LAL……………..1.

.WEDNESDAY… Sky/weather………Cloudy. Chance of rain in the morning, then rain in the afternoon.
Max temperature…..Around 61. 24 HR TREND……Down 7 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Up 20 percent.
WIND (20 FT)……..Winds south 6 to 8 mph.
CWR (>0.10 IN)……86 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
Tuesday
Mostly sunny, with a high near 50. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Rain after 4am. Low around 33. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. The rain could be heavy at times. Areas of fog. High near 44. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. The rain could be heavy at times. Areas of fog. Low around 39. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

BIG BEAR SCHOOL AREA:
Tuesday
Mostly sunny, with a high near 43. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Snow likely after 4am. Mostly cloudy, with a low around 25. Breezy, with a southwest wind 20 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.
Wednesday
Snow likely before 10am, then rain. The rain could be heavy at times. Areas of fog. High near 42. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Areas of fog. Low around 32. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

BANNING PASS:
.TODAY… Sky/weather………Mostly sunny…becoming partly cloudy.
Max temperature…..63 to 68. 24 HR TREND……Up 4 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy…becoming mostly cloudy.
Min temperature…..43 to 48. 24 HR TREND……Up 10 degrees.
Max humidity……..25 to 35 percent. 24 HR TREND……Down 20 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.WEDNESDAY… Sky/weather………Cloudy. Chance of rain in the afternoon.
Max temperature…..62 to 67. 24 HR TREND……Up 2 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Up 10 percent.
WIND (20 FT)……..Variable 2 to 5 mph becoming southeast 6 to 8 mph in the afternoon.
CWR (>0.10 IN)……25 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ261):
TODAY… * Sky/weather…………………Partly sunny.
* Max Temperature……………..49-61. * 24 hr trend………………5 degrees warmer.
* Min Humidity………………..14-19 pct. * 24 hr trend………………6 pct drier.
* Winds – 20 foot…Slope/Valley..Southeast 5 to 15 mph.
* Winds…10000 FT MSL…………Southwest 5 to 15 mph in the morning becoming 15 to 25 mph in the afternoon.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………4 or low potential for large plume dominated fire growth.

.TONIGHT… * Sky/weather…………………Mostly cloudy.
* Min Temperature……………..37-44. * 24 hr trend………………6 degrees warmer.
* Max Humidity………………..27-35 pct. * 24 hr trend………………6 pct drier.
* Winds – 20 foot…Slope/Valley..South 5 to 15 mph.
* Winds…10000 FT MSL…………Southwest 25 to 35 mph.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.WEDNESDAY… * Sky/weather…………………Cloudy. Slight chance of showers
. * Max Temperature……………..50-63. * 24 hr trend………………Little change.
* Min Humidity………………..19-25 pct. * 24 hr trend………………6 pct wetter.
* Winds – 20 foot…Slope/Valley..South 10 to 20 mph.
* Winds…10000 FT MSL…………Southwest 25 to 35 mph in the morning becoming 40 to 50 mph in the afternoon.
* Chance of Precip…………….20 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………4 or low potential for large plume dominated fire growth.

NEEDLES, RIVER BAT. (CAZ229):
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….60-65. * 24 hr trend…..On average up 4 degrees.
* Min humidity: * Valley floor….13-22 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph.
* 10000 ft msl….Southwest 15 to 25 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….4600 ft agl.
* Transport winds…..Light winds.
* Ventilation………Fair.

.TONIGHT… * Sky/Weather………Mostly cloudy.
* Min temperature: * Valley floor….39-44. * 24 hr trend…..On average up 10 degrees.
* Max humidity: * Valley floor….37-42 percent. * 24 hr trend…..On average down 9 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….Southwest 20 to 30 mph increasing to 30 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.WEDNESDAY… * Sky/Weather………Cloudy. Scattered rain.
* Max temperature: * Valley floor….62-67. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….17-27 percent. * 24 hr trend…..On average up 4 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….South wind up to 10 mph.
* 10000 ft msl….Southwest 35 to 45 mph increasing to 45 to 55 mph in the afternoon.
* CWR (>= 0.10 in)….20 percent. * LAL……………..1.
* Haines Index……..2.
* Mixing height…….6100 ft agl.
* Transport winds…..Light winds becoming south 10 to 15 knots in the afternoon.
* Ventilation………Very good.

STATELINE – CLARK COUNTY BORDER:
.TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * 4000 feet…….53-58. * 24 hr trend…..On average up 5 degrees.
* Min humidity: * 4000 feet…….16-24 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph becoming southeast up to 10 mph in the afternoon.
* 10000 ft msl….Southwest 25 to 35 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….3300 ft agl.
* Transport winds…..Light winds.
* Ventilation………Marginal.

.TONIGHT… * Sky/Weather………Mostly cloudy.
* Min temperature: * 4000 feet…….33-38. * 24 hr trend…..On average up 10 degrees.
* Max humidity: * 4000 feet…….43-48 percent. * 24 hr trend…..On average down 11 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.
* 10000 ft msl….Southwest 30 to 40 mph increasing to 35 to 45 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.WEDNESDAY… * Sky/Weather………Mostly cloudy. Scattered rain and snow.
* Max temperature: * 4000 feet…….53-58. * 24 hr trend…..Little change.
* Min humidity: * 4000 feet…….25-35 percent. * 24 hr trend…..On average up 10 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….South winds up to 10 mph.
* 10000 ft msl….Southwest 35 to 45 mph increasing to 40 to 50 mph in the afternoon.
* CWR (>= 0.10 in)….10 percent increasing to 60 percent in the afternoon. * LAL……………..1.
* Haines Index……..2.
* Mixing height…….4300 ft agl.
* Transport winds…..Southwest around 10 knots shifting to the
south in the afternoon.
* Ventilation………Good.

*************************** OUT OF COUNTY ********************************
GUSTY WINDS AND RAIN WEDNESDAY AND THURSDAY POTENTIALLY MODERATE TO HEAVY

LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
AND
LOS ANGELES COUNTY SAN FERNANDO VALLEY:
.TUESDAY… Sky/weather………Partly cloudy.
Max temperature…..62-68. 24 hr trend……Up 6.
Min humidity……..15-30 percent. 24 hr trend……Down 13.
20-foot winds…….Northeast to east 6-12 mph with local gusts to 20 mph becoming south 6-12 mph in the afternoon.
Marine layer……..200 ft asl.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.TUESDAY NIGHT… Sky/weather………Mostly cloudy.
Min temperature…..42-52.
Max humidity……..60-75 percent except 40-55 percent in the hills.
20-foot winds…….Southeast 6-12 mph. Local gusts to 20 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY… Sky/weather………Cloudy. Rain.
Max temperature…..55-61.
Min humidity……..25-45 percent.
20-foot winds…….Southeast 6-12 mph with gusts to 20 mph becoming 10-20 mph with gusts to 30 mph by the afternoon.
LAL……………..1. CWR (>0.10 IN)……90 percent.

SANTA CLARITA VALLEY:
TUESDAY… Sky/weather………Partly cloudy. Areas of frost in the morning.
Max temperature…..57-65. 24 hr trend……Up 4.
Min humidity……..20-25 percent. 24 hr trend……Down 4.
20-foot winds…….North to northeast 8-15 mph with gusts to 25 mph becoming south 6-12 mph late.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.TUESDAY NIGHT… Sky/weather………Cloudy.
Min temperature…..38-45.
Max humidity……..45-55 percent.
20-foot winds…….Southeast 6-12 mph becoming southeast 8-15 mph with local gusts to 30 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY… Sky/weather………Cloudy. Rain.
Max temperature…..50-57.
Min humidity……..25-40 percent.
20-foot winds…….Southeast 10-20 mph with gusts to 35 mph.
LAL……………..1. CWR (>0.10 IN)……90 percent.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
.TUESDAY… Sky/weather………Partly cloudy. Areas of frost in the morning.
Max temperature…..58-65. 24 hr trend……Up 7.
Min humidity……..15-25 percent. 24 hr trend……Down 15.
20-foot winds…….
Valleys/lwr slopes…Northeast 6-12 mph with gusts to 20 mph becoming south in the afternoon.
Ridges/upr slopes….Southeast 8-15 mph with gusts to 25 mph becoming 6-12 mph with gusts to 20 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.TUESDAY NIGHT… Sky/weather………Mostly cloudy.
Min temperature…..42-47.
Max humidity……..45-60 percent except 60-70 percent colder valleys.
20-foot winds…….
Valleys/lwr slopes…Southeast 6-12 mph with gusts to 20 mph.
Ridges/upr slopes….South 8-15 mph with gusts to 25 mph becoming10-20 mph with gusts to 30 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY… Sky/weather………Cloudy. Rain.
Max temperature…..52-60.
Min humidity……..30-50 percent.
20-foot winds…….
Valleys/lwr slopes…Southeast 8-15 mph with gusts to 25 mph becoming 15-25 mph with gusts to 40 mph in the afternoon.
Ridges/upr slopes….South 10-20 mph with gusts to 30 mph becoming 20-30 mph with gusts to 50 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……90 percent.

ANGELES NATIONAL FOREST (CAZ253):
.TUESDAY… Sky/weather………Partly cloudy.
Max temperature…..52-62 low elevations to 42-49 higher elevations. 24 hr trend……Up 6.
Min humidity……..5-15 percent. 24 hr trend……Down 13.
20-foot winds…….
Valleys/lwr slopes…East to southeast 8-15 mph with gusts to 25 mph.
Ridges/upr slopes….South 8-15 mph with gusts to 25 mph.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.TUESDAY NIGHT… Sky/weather………Mostly cloudy. Slight chance of snow after midnight.
Min temperature…..32-42 low elevations to 20-27 colder valleys and peaks.
Max humidity……..30-45 percent except 50-65 percent colder valleys.
20-foot winds…….
Valleys/lwr slopes…South 8-15 mph with gusts to 25 mph becoming10-20 mph with gusts to 30 mph after midnight.
Ridges/upr slopes….South 8-15 mph with gusts to 25 mph becoming 15-25 mph with gusts to 40 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY… Sky/weather………Cloudy. Rain developing.
Max temperature…..47-54 low elevations to 38-45 higher elevations.
Min humidity……..25-40 percent except 10-20 percent higher peaks. Occurring early.
20-foot winds…….
Valleys/lwr slopes…South 10-20 mph with gusts to 30 mph becoming 20-30 mph with gusts to 45 mph by the afternoon.
Ridges/upr slopes….South 20-35 mph with gusts to 55 mph.
LAL……………..1. CWR (>0.10 IN)……90 percent.

ANTELOPE VALLEY (CAZ259):
.TUESDAY… Sky/weather………Partly cloudy.
Max temperature…..50-58. 24 hr trend……Up 4.
Min humidity……..15-25 percent. 24 hr trend……Down 9.
20-foot winds…….East 5-10 mph becoming 6-12 mph with gusts to 20 mph by the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.TUESDAY NIGHT… Sky/weather………Mostly cloudy.
Min temperature…..29-36.
Max humidity……..60-75 percent except 50-60 percent in the hills.
20-foot winds…….East 6-12 mph becoming south 6-12 mph with local gusts to 25 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY… Sky/weather………Cloudy. Rain developing.
Max temperature…..45-55.
Min humidity……..30-50 percent. Occurring early.
20-foot winds…….South 6-12 mph with gusts to 20 mph becoming southeast 10-20 mph with gusts to 30 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……90 percent.

KERN CO. DESERTS (CAZ298):
.TUESDAY… Sky/weather………Mostly sunny.
Max Temperature…..49-54. 24 HR Trend……Up 3-5 degrees.
Min Humidity……..23-33 percent. 24 HR Trend……Down 6-12 percent.
20-Foot Winds…….East 5 mph in the early morning increasing to 3-6 mph by afternoon.
LAL……………..1.
Ventilation………Fair.
Mixing height…….2900 ft AGL.
Transport Winds…..Southeast around 5 mph.
Chc Wetting Rain….0 percent.

.TUESDAY NIGHT… Sky/weather………Cloudy. Slight chance of showers. Slight chance of snow showers after midnight. snow level 5000 feet.
Min Temperature…..35-40. 24 HR Trend……Up 4-10 degrees.
Max Humidity……..56-66 percent. 24 HR Trend……Down 7-17 percent.
20-Foot Winds…….Northeast 3-5 mph in the early evening shifting to the southeast 3-6 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.WEDNESDAY… Sky/weather………Cloudy. Showers.
Max Temperature…..46-51. 24 HR Trend……Down 2-4 degrees.
Min Humidity……..43-53 percent. 24 HR Trend……Up 14-30 percent.
20-Foot Winds…….South 3-10 mph.
LAL……………..1.
Ventilation………Fair.
Mixing height…….1400 ft AGL.
Transport Winds…..South around 15 mph.
Chc Wetting Rain….70 percent.

La Jolla CA
Tuesday
Mostly sunny, with a high near 62. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Rain likely after 4am. Mostly cloudy, with a low around 51. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 61. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 55. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Poway CA
Tuesday
Mostly sunny, with a high near 69. East wind around 5 mph becoming calm.
Tuesday Night
Rain likely after 4am. Mostly cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 62. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Low around 53. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

CEDAR CITY Ut.
Tuesday
Sunny, with a high near 39. Wind chill values as low as -3. South wind 6 to 13 mph.
Tuesday Night
Increasing clouds, with a low around 23. South wind 11 to 15 mph.
Wednesday
A 50 percent chance of snow after 11am. Cloudy, with a high near 43. South wind 17 to 21 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 11pm, then rain likely. Cloudy, with a low around 34. South southwest wind around 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

============================================================
THIS DAY IN WEATHER HISTORY:
2003: Heavy rains that started on 2/11 and ended on 2/14 produced the following rainfall totals: 10.15 inches at Forest Falls, 9.75 inches in Lytle Creek, 8.47 inches in Lake Arrowhead, 7.60 inches at Santiago Peak, 6.86 inches in Mira Loma, 5.15 inches in Wrightwood, 3.95 inches in Hesperia, 3.87 inches at Lake Elsinore, 3 inches at Lindbergh Field. Local flooding resulted.

2001: A strong winter storm that started on 2/11 and ended on 2/13 brought two to five inches of rain to Orange County and the western Inland Empire. One to two inches fell over the rest of the lowlands. Extensive urban flooding and mud slides resulted. Trees and power lines were knocked down. Over a week of heavy snow that started on 2/6 and ended on 2/14 continued on this day. The snowfall was called “most in a decade.” Five feet fell at Blue Jay and Mountain High, two feet at Snow Summit, and five to 12 inches at Apple Valley. Mountain High reported 36 inches of new snow on this day. The roof of an ice rink caved in at Blue Jay.

1999: A period of Santa Ana winds began on 2/10 and ended on this day. Gusts of 85 mph were measured at Rialto. Gusts to 80 mph were reported from Interstate 8, closing it.

1992: A series of many intense storms started on 2/5 and ended on 2/16. The storms brought a total of 20+ inches of precipitation to the mountains and eight to16+ inches to lower elevations. Two were killed in an avalanche at Mt. Baldy. Flash flooding, mud slides, and road closures also occurred.

1927: Continual rain that started on 2/11 for six days ended on 2/17. 25.38 inches fell at Henshaw Dam (14.18 inches on 2/16). 21.86 inches fell at Cuyamaca, 13.10 inches at El Capitan, 10.70 inches at El Cajon, 9.54 inches at La Mesa and 6.33 at San Diego. 8.30 inches fell in San Bernardino and 5.60 inches in Riverside. Heavy warm rains melted mountain snows. Unprecedented flow occurred on the Whitewater River. Floods washed out roads and bridges in Thousand Palms and Palm Desert. Levees were broken and Thermal was inundated. Several San Diego County dams overtopped, causing widespread flooding downstream. Bridges and roads were washed out in east San Diego metro area. Large areas of Long Beach, Fullerton and Anaheim were inundated.
==================================================================
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..

======================================================================
CURRENT WEATHER @ HESP. @ 0930 Hrs. TEMP: 390 RH: 55% WIND: CALM
4.84” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 1.42” YTD S/F: 0.00” /
=================================================================
FIRES: UPDATED

Leave a Reply

Your email address will not be published. Required fields are marked *