WEATHER 1/4/18

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: 1/4/19

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.:10

National Preparedness Level (PL 1 )

Southern California Area
Preparedness Level: (PL 2 )

Northern California Area
Preparedness Level (PL 1 )

SYNOP:
HIGH PRESSURE ALOFT WILL BRING SUNNY DAYS AND CLEAR COOL NIGHTS THROUGH FRIDAY. RAIN AND MOUNTAIN SNOW SHOWERS ARE LIKELY SATURDAY NIGHT INTO SUNDAY AS A LOW PRESSURE TROUGH MOVES ACROSS CALIFORNIA. DRY WEATHER WILL RETURN EARLY NEXT WEEK FOLLOWED BY ANOTHER CHANCE FOR PRECIPITATION WEDNESDAY AND THURSDAY.

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
Temperatures will warm up back to near seasonal normals today as high pressure moves through the region. A low pressure system will pass across the Desert Southwest this weekend spreading breezy winds and chances for rain and higher elevation snow area wide on Saturday and Sunday. Drying conditions will take place Monday and Tuesday before another system takes aim at the
region during the middle of next week.

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 NOV.29 NOV. 30 DEC.1 DEC. 2 DEC. 3 DEC. 4
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………Sunny.
Max temperature…..52 to 57. 24 HR TREND……Up 3 degrees.
Min humidity……..15 to 20 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds east 6 to 9 mph. Gusts to 20 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy.
Min temperature…..32 to 37. 24 HR TREND……Up 4 degrees.
Max humidity……..45 to 55 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..Winds east 6 to 9 mph with gusts to 20 mph becoming south after midnight.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.SATURDAY… Sky/weather………Mostly cloudy.
Max temperature…..51 to 56. 24 HR TREND……Down 2 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Up 10 percent.
WIND (20 FT)……..Winds south 8 to 18 mph with gusts to 35 mph.
CWR (>0.10 IN)……5 percent. LAL……………..1.

WRIGHTWOOD:
Friday
Sunny, with a high near 49. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 36. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
A chance of snow showers after 4pm. Mostly cloudy, with a high near 43. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers, mainly after 10pm. Areas of fog after 10pm. Low around 30. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow showers, mainly before 10am. Areas of fog. High near 37. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 31. Chance of precipitation is 20%

BIG PINES / WEST WRIGHTWOOD AREA
Friday
Sunny, with a high near 50. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Increasing clouds, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 42. Breezy, with a south southwest wind around 25 mph, with gusts as high as 35 mph. New snow accumulation of less than one inch possible.
Saturday Night
A chance of snow before 10pm, then snow showers likely after 10pm. Some thunder is also possible. Cloudy, with a low around 36. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 9 to 13 inches possible.
Sunday
Snow showers likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 36.

PHELAN:
Friday
Sunny, with a high near 54. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 36. South wind 10 to 15 mph becoming light southwest. Winds could gust as high as 25 mph.
Saturday
A chance of showers after 4pm. Mostly cloudy, with a high near 49. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 10pm. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 34. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before 10am. Areas of fog. Otherwise, partly sunny, with a high near 44. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 34.

TRONA:
Friday
Sunny, with a high near 60. Light and variable wind.
Friday Night
Partly cloudy, with a low around 36. Light and variable wind.
Saturday
Partly sunny, with a high near 57. Light south southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38. Southwest wind around 8 mph.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….56-61. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….16-19 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 10 to 15 mph increasing to 15 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT.. * Sky/Weather………Partly cloudy then becoming mostly cloudy.
* Min temperature: * Valley floor….32-37. * 24 hr trend…..On average up 7 degrees.
* Max humidity: * Valley floor….41-46 percent. 24 hr trend…..On average down 6 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….Southwest 20 to 30 mph increasing to south 25 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.SATURDAY… * Sky/Weather………Mostly cloudy.
* Max temperature: * Valley floor….55-60. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….22-30 percent. * 24 hr trend…..On average up 8 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….South wind up to 10 mph.
* 10000 ft msl….South 30 to 40 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..3.

BAKER:
Friday
Sunny, with a high near 62. Light south wind.
Friday Night
Increasing clouds, with a low around 34. Light south southeast wind.
Saturday
Mostly cloudy, with a high near 61. South wind 3 to 8 mph.
Saturday Night
A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 37. South wind around 6 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 35.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature:
* Valley floor….54-59.
* 7000 feet…….45-50.
* 24 hr trend…..Little change.
* Min humidity:
* Valley floor….19-26 percent.
* 7000 feet…….23-33 percent.
* 24 hr trend…..On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph.
* Upper slopes….West winds 10 to 15 mph with gusts to around 30 mph.
* 10000 ft msl….Southwest 15 to 25 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature:
* Valley floor….28-33.
* 7000 feet…….12-17.
* 24 hr trend…..Little change.
* Max humidity:
* Valley floor….50-55 percent.
* 7000 feet…….52-57 percent.
* 24 hr trend…..On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph becoming south up to 10 mph after midnight.
* Upper slopes….Southwest winds 10 to 15 mph.
* 10000 ft msl….Southwest 15 to 25 mph increasing to south 25 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent.
* LAL……………..1.
* Haines Index……..4.

.SATURDAY… * Sky/Weather………Mostly cloudy. Isolated snow showers in the morning, then scattered snow showers and isolated showers in the afternoon.
* Max temperature: * Valley floor….50-55.
* 7000 feet…….38-43.
* 24 hr trend…..On average down 5 degrees.
* Min humidity:
* Valley floor….23-31 percent.
* 7000 feet…….30-40 percent.
* 24 hr trend…..On average up 5 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….South winds 10 to 15 mph.
* Upper slopes….Southwest winds 10 to 20 mph with gusts to around 40 mph.
* 10000 ft msl….South 30 to 40 mph increasing to southwest 35 to 45 mph in the afternoon.
* CWR (>= 0.10 in)….5 percent increasing to 30 percent in the afternoon. * LAL……………..1.
* Haines Index……..4.

INLAND EMPIRE (CAZ248):
.TODAY… Sky/weather………Sunny.
Max temperature…..62 to 68. 24 HR TREND……Up 1 degree.
Min humidity……..15 to 20 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds east 6 to 11 mph with gusts to 25 mph becoming southwest around 6 mph in the afternoon.
CWR (>0.10 IN)……1 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy.
Min temperature…..38 to 46. 24 HR TREND……Up 3 degrees.
Max humidity……..55 to 65 percent. 24 HR TREND……Up 35 percent.
WIND (20 FT)……..Winds east 6 to 8 mph becoming south around 6 mph after midnight.
CWR (>0.10 IN)……2 percent. LAL……………..1.

.SATURDAY… Sky/weather………Cloudy. Slight chance of rain in the afternoon.
Max temperature…..54 to 61. 24 HR TREND……Down 8 degrees.
Min humidity……..35 to 45 percent. 24 HR TREND……Up 30 percent.
WIND (20 FT)……..Winds south 6 to 11 mph with gusts to 20 mph.
CWR (>0.10 IN)……10 percent. LAL……………..1.

DEVORE:
Friday
Sunny, with a high near 64. North wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.
Friday Night
Increasing clouds, with a low around 46. Northeast wind around 5 mph becoming calm.
Saturday
A chance of showers after 4pm. Mostly cloudy, with a high near 56. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly after 10pm. The rain could be heavy at times. Low around 45. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers, mainly before 10am. The rain could be heavy at times. High near 53. Chance of precipitation is 80%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 20%.

CHINO HILLS:
Friday
Sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 58. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly after 10pm. Low around 46. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 10am. High near 57. Chance of precipitation is 80%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.

COLTON:
Friday
Sunny, with a high near 68. Calm wind.
Friday Night
Increasing clouds, with a low around 46. Calm wind.
Saturday
A chance of showers after 4pm. Mostly cloudy, with a high near 60. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 47. Calm wind becoming east around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 57. Chance of precipitation is 70%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 20%.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
.TODAY… Sky/weather………Sunny.
Max temperature…..48 to 54 above 6000 feet to 52 to 59 below 6000 feet. 24 HR TREND……Up 2 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..
SLOPES………..Winds south 6 to 10 mph with gusts to 20 mph.
RIDGETOP………Winds southwest 6 to 13 mph with gusts to 30 mph.
CWR (>0.10 IN)……1 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy.
Min temperature…..21 to 31 above 6000 feet to 32 to 38 below 6000 feet. 24 HR TREND……Up 2 degrees.
Max humidity……..25 to 35 percent on desert slopes to 35 to 45 percent on coastal slopes.
24 HR TREND……Up 5 percent.
WIND (20 FT)……..
SLOPES………..Winds south 6 to 15 mph with gusts to 30 mph.
RIDGETOP………Winds southwest 12 to 22 mph. Gusts to 35 mph…becoming 45 mph after midnight.
CWR (>0.10 IN)……2 percent. LAL……………..1.

.SATURDAY… Sky/weather………Mostly cloudy. Slight chance of rain and snow in the afternoon.
Max temperature…..40 to 47 above 6000 feet to 47 to 54 below 6000 feet. 24 HR TREND……Down 1 degree.
Min humidity……..20 to 25 percent on desert slopes to 25 to 35 percent on coastal slopes.
24 HR TREND……Up 15 percent.
WIND (20 FT)……..
SLOPES………..Winds south 10 to 20 mph with gusts to 40 mph.
RIDGETOP………Winds southwest 14 to 24 mph with gusts to 50 mph.
CWR (>0.10 IN)……9 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
Friday
Sunny, with a high near 55. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 32. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A chance of snow showers after 4pm. Mostly cloudy, with a high near 46. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Snow showers likely, mainly after 10pm. Areas of fog after 10pm. Otherwise, cloudy, with a low around 29. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow showers likely, mainly before 10am. Areas of fog. Otherwise, mostly cloudy, with a high near 40. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday Night
A slight chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

BIG BEAR SCHOOL AREA:
Friday
Sunny, with a high near 49. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 23. Southwest wind around 15 mph, with gusts as high as 30 mph.
Saturday
A chance of snow showers after 4pm. Mostly cloudy, with a high near 41. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Snow showers likely, mainly after 10pm. Areas of fog after 10pm. Otherwise, cloudy, with a low around 23. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow showers likely, mainly before 10am. Areas of fog. Otherwise, mostly cloudy, with a high near 34. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A slight chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

BANNING PASS:
.TODAY… Sky/weather………Sunny.
Max temperature…..62 to 67. 24 HR TREND……Up 3 degrees.
Min humidity……..15 to 20 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy.
Min temperature…..38 to 48. 24 HR TREND……Up 3 degrees.
Max humidity……..30 to 40 percent. 24 HR TREND……Up 10 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.SATURDAY… Sky/weather………Mostly cloudy.
Max temperature…..59 to 64. 24 HR TREND……Down 2 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Up 10 percent.
WIND (20 FT)……..Winds southeast 6 to 10 mph. Gusts to 20 mph in the afternoon.
CWR (>0.10 IN)……5 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ261):
TODAY… * Sky/weather…………………Sunny.
* Max Temperature……………..52-59. * 24 hr trend………………3 degrees warmer.
* Min Humidity………………..16-21 pct. * 24 hr trend………………Little change.
* Winds – 20 foot…Slope/Valley..Light and variable in the morning becoming southeast 5 to 10 mph in the afternoon.
* Winds…10000 FT MSL…………Southwest 15 to 25 mph.
* 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 clear in the evening becoming mostly cloudy after midnight.
* Min Temperature……………..36-41. * 24 hr trend………………6 degrees warmer.
* Max Humidity………………..26-41 pct. * 24 hr trend………………7 pct drier.
* Winds – 20 foot…Slope/Valley..South 5 to 15 mph.
* Winds…10000 FT MSL…………Southwest 15 to 25 mph in the evening becoming south 25 to 35 mph after midnight.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.SATURDAY… * Sky/weather…………………Mostly cloudy. Slight chance of showers in the afternoon.
* Max Temperature……………..49-57. * 24 hr trend………………3 degrees cooler.
* Min Humidity………………..21-33 pct. * 24 hr trend………………8 pct wetter.
* Winds – 20 foot…Slope/Valley..South 5 to 15 mph.
* Winds…10000 FT MSL…………South 30 to 40 mph.
* 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.

NEEDLES, RIVER BAT. (CAZ229):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….58-63. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….17-25 percent. * 24 hr trend…..On average up 2 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph.
* 10000 ft msl….South 10 to 15 mph increasing to southwest 20 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….3700 ft agl.
* Transport winds…..North around 10 knots in the morning becoming light.
* Ventilation………Marginal.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….33-38. * 24 hr trend…..On average up 4 degrees.
* Max humidity: * Valley floor….48-53 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….Southwest 20 to 25 mph increasing to 25 to 30 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.SATURDAY… * Sky/Weather………Mostly cloudy.
* Max temperature: * Valley floor….58-63. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….24-30 percent. * 24 hr trend…..On average up 6 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….South 30 to 35 mph increasing to 35 to 45 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..3.
* Mixing height…….5400 ft agl.
* Transport winds…..Light winds becoming south around 10 knots in the afternoon.
* Ventilation………Very good.

STATELINE – CLARK COUNTY BORDER:
TODAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….53-58. * 24 hr trend…..On average up 4 degrees.
* Min humidity: * 4000 feet…….20-26 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph.
* 10000 ft msl….South 10 to 15 mph increasing to southwest 20 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….2600 ft agl.
* Transport winds…..Light winds.
* Ventilation………Poor.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * 4000 feet…….28-33. * 24 hr trend…..On average up 4 degrees.
* Max humidity: * 4000 feet…….52-57 percent. * 24 hr trend…..On average down 5 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….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.

.SATURDAY… * Sky/Weather………Mostly cloudy.
* Max temperature: * 4000 feet…….53-58. * 24 hr trend…..Little change.
* Min humidity: * 4000 feet…….25-31 percent. * 24 hr trend…..On average up 5 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph becoming south up to 10 mph in the afternoon.
* 10000 ft msl….South 35 to 45 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..3.
* Mixing height…….3700 ft agl.
* Transport winds…..Light winds becoming south around 10 knots in the afternoon.
* Ventilation………Fair.

*************************** OUT OF COUNTY ********************************
LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
.FRIDAY… Sky/weather………Sunny.
Max temperature…..63-70. 24 hr trend……Little change.
Min humidity……..15-25 percent. 24 hr trend……Little change.
20-foot winds…….Variable 3-8 mph becoming southwest 6-12 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min temperature…..41-50.
Max humidity……..75-100 percent except 50-60 percent in the hills.
20-foot winds…….Variable 3-8 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Slight chance of rain.
Max temperature…..55-62.
Min humidity……..40-55 percent.
20-foot winds…….Variable 3-6 mph becoming southeast 6-12 mph late in the afternoon.
LAL……………..1. CWR (>0.10 IN)……10 percent.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
.FRIDAY… Sky/weather………Sunny.
Max temperature…..63-69. 24 hr trend……Little change.
Min humidity……..15-25 percent. 24 hr trend……Up 3.
20-foot winds…….North 6-12 mph becoming south 6-12 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min temperature…..40-47.
Max humidity……..80-100 percent except 55-65 percent in the hills.
20-foot winds…….Southeast 6-12 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Chance of rain.
Max temperature…..54-61.
Min humidity……..45-65 percent.
20-foot winds…….Southeast 6-12 mph becoming 10-20 mph with gusts to 25 mph late in the afternoon.
LAL……………..1. CWR (>0.10 IN)……10 percent.

SANTA CLARITA VALLEY:
.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..62-67. 24 hr trend……Up 3.
Min humidity……..15-20 percent. 24 hr trend……Little change.
20-foot winds…….Northeast 10-20 mph with gusts to 25 mph becoming south 6-12 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min temperature…..39-45.
Max humidity……..60-80 percent.
20-foot winds…….Variable 3-6 mph early becoming south 6-12 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Slight chance of rain, then chance of rain in the afternoon.
Max temperature…..52-57.
Min humidity……..45-55 percent.
20-foot winds…….South 6-12 mph.
LAL……………..1. CWR (>0.10 IN)……10 percent.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..56-66. 24 hr trend……Little change.
Min humidity……..20-35 percent. 24 hr trend……Up 5.
20-foot winds…….
Valleys/lwr slopes…Northeast 6-12 mph becoming southwest 8-15 mph mph with local canyon gusts to 25 mph in the afternoon.
Ridges/upr slopes….Northeast 6-12 mph becoming southwest 8-15 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min temperature…..44-52 except 39-41 colder valleys.
Max humidity……..80-100 percent.
20-foot winds…….
Valleys/lwr slopes…Downslope/downvalley 3-6 mph in the evening becoming southeast 6-12 mph.
Ridges/upr slopes….Downslope 3-6 mph in the evening becoming southeast 10-20 mph with gusts to 25 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Chance of rain.
Max temperature…..48-58.
Min humidity……..60-80 percent.
20-foot winds…….
Valleys/lwr slopes…Southeast 6-12 mph becoming 8-15 mph with gusts to 25 mph in the afternoon.
Ridges/upr slopes….Southeast 6-12 mph becoming 10-20 mph with gusts to 25 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……30 percent.

ANGELES NATIONAL FOREST (CAZ253):
FRIDAY… Sky/weather………Sunny.
Max temperature…..57-64 low elevations to 49-55 higher elevations. 24 hr trend……Up 3.
Min humidity……..15-25 percent. 24 hr trend……Little change.
20-foot winds…….
Valleys/lwr slopes…East 10-20 mph with gusts to 25 mph becoming south 6-12 mph in the afternoon.
Ridges/upr slopes….East 10-20 mph with gusts to 25 mph becoming south 6-12 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min temperature…..40-46 low elevations to 33-38 colder valleys and peaks.
Max humidity……..30-50 percent except 65-80 percent colder valleys.
20-foot winds…….
Valleys/lwr slopes…South 8-15 mph with gusts to 25 mph increasing to 15-25 mph with gusts to 35 mph in the afternoon.
Ridges/upr slopes….South 8-15 mph with gusts to 25 mph increasing to 15-25 mph with gusts to 35 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Slight chance of rain. Slight chance of snow. Chance of rain in the afternoon.
Max temperature…..48-54 low elevations to 40-46 higher elevations.
Min humidity……..40-60 percent except 20-35 percent higher peaks and warmer valleys.
20-foot winds…….
Valleys/lwr slopes…South 15-25 mph with gusts to 35 mph.
Ridges/upr slopes….South 20-30 mph with gusts to 40 mph.
LAL……………..1. CWR (>0.10 IN)……10 percent.

ANTELOPE VALLEY (CAZ259):
.FRIDAY… Sky/weather………Sunny. Areas of frost in the morning.
Max temperature…..52-62. 24 hr trend……Up 6.
Min humidity……..20-30 percent. 24 hr trend……Little change.
20-foot winds…….East 6-12 mph.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min temperature…..29-39.
Max humidity……..75-90 percent except 45-60 percent in the hills.
20-foot winds…….Variable 3-6 mph in the evening becoming south 6-12 mph with local gusts to 20 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Slight chance of snow in the morning. Slight chance of rain.
Max temperature…..45-55.
Min humidity……..35-45 percent.
20-foot winds…….Southwest 8-15 mph with gusts to 25 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

KERN CO. DESERTS (CAZ298):
.FRIDAY… Sky/weather………Sunny.
Max Temperature…..52-57. 24 HR Trend……Little change.
Min Humidity……..19-29 percent. 24 HR Trend……Little change.
20-Foot Winds…….Southeast to south 4-7 mph.
LAL……………..1.
Ventilation………Fair.
Mixing height…….2200 ft AGL.
Transport Winds…..East around 5 mph in the morning shifting to the south in the afternoon.
Chc Wetting Rain….0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy.
Min Temperature…..34-39. 24 HR Trend……Up 3-5 degrees.
Max Humidity……..57-67 percent. 24 HR Trend……Down 2-8 percent.
20-Foot Winds…….Northeast 3-5 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.SATURDAY… Sky/weather………Mostly cloudy. Chance of showers in the afternoon.
Max Temperature…..50-55. 24 HR Trend……Down 1-3 degrees.
Min Humidity……..27-37 percent. 24 HR Trend……Up 5-11 percent.
20-Foot Winds…….Southwest 7-11 mph. Gusts to 17 mph.
LAL……………..1.
Ventilation………Good.
Mixing height…….3400 ft AGL.
Transport Winds…..Southwest 15 to 20 mph.
Chc Wetting Rain….0 percent.

La Jolla CA
BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT…

* Waves and Surf…4 to 6 feet in Orange County. 5 to 8 feet with sets to 9 feet in San Diego County.
Friday
Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 51. Calm wind becoming southeast around 5 mph.
Saturday
A chance of showers after 4pm. Cloudy, with a high near 60. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 51. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely. Cloudy, with a high near 60. Chance of precipitation is 70%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.

Poway CA
Friday
Sunny, with a high near 66. East wind around 5 mph becoming west in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 43. Calm wind becoming east around 5 mph after midnight.
Saturday
A chance of showers after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 61. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 44. Light south wind becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

CEDAR CITY Ut.
Friday
Sunny, with a high near 44. Light south southeast wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 23. South southwest wind 8 to 10 mph.
Saturday
Partly sunny, with a high near 47. Southwest wind 11 to 14 mph.
Saturday Night
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 31. South wind around 14 mph. New snow accumulation of less than one inch possible.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 38. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.

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THIS DAY IN WEATHER HISTORY:
1995: Heavy rain started on 1/3 ended on this day. The result was flash flooding in Seal Beach, Norco, and Oceanside. A mudslide killed six at La Conchita near Santa Barbara. Six to 12 inches of snow fell in the mountains. Snow also fell in the high desert, with two inches of heavy, wet snow down to 2300 feet. 3.16 inches of rain fell in Riverside, the wettest January day on record and the second wettest day on record.

1987: Heavy rain and snow from a powerful Pacific storm that started on this day and ended on 1/5 produced one to two inches plus of rainfall in the northern Inland Empire. 2.20 inches fell at Chino. Lots of street flooding occurred, including road washouts in the high desert. 1.68 inches fell at San Diego, Cuyamaca Park 2.73 inches, Julian 2.59 inches, Lemon Grove 1.52 inches, National City 1.40 inches, El Cajon 1.34 inches, Escondido 1.30 inches, Coronado 0.95 inch and Del Mar 0.80 inch. Two died on slick roads in San Diego County. The San Diego River flooded Mission Valley, stranding cars and closing roads, including Friars Rd. Lots of street flooding in Pacific Beach, Sorrento Valley and Spring Valley near the Sweetwater River. Sewage spilled into Mission Bay. Road washouts occurred in the high desert. Scattered power outages also resulted. Mud slides occurred on the Sunrise Highway. A mud slide in Pomona blocked traffic on the 60 freeway. A ski resort in Big Bear received up to two feet of snow at the higher lifts. Up to 15 inches fell elsewhere in the San Bernardino Mountains. Nine inches fell in Mt. Laguna, four inches in Cuyamaca Park and a few inches in Julian.

1974: Heavy rain and snow began on 1/3 and ended on 1/5. One drowning death occurred near Temecula. Many highways were closed because of flooding and mud slides. Over 18 inches of snow fell in the San Bernardino Mountains. Flurries were reported in Palm Springs. As a result, structures and a few roofs collapsed due to the weight of snow. Power lines and trees snapped.

1971: It was 3° in Idyllwild, the third lowest temperature on record. It was 29° at Pt. Loma and Chula Vista, 28° in La Mesa, 26° in El Cajon, 24° in Lakeside, 8° at Mt. Laguna, and 5° at Palomar Mountain. Ice skating was done on Lake Cuyamaca.

1959: A strong winter storm hit the region on this day and on 1/5. Roof damage and animals were killed at San Diego. Considerable property damage resulted from flooding and mud slides. Rattlesnake Creek in Poway inundated the city.

1955: High surf from a big storm hit the coast on this day and on 1/5. Coastal damage occurred in San Diego and Orange Counties. Boats and harbors were damaged.

1949: It was 28° in LA, the lowest temperature on record (also observed on 2/6/1883 and 1/7/1913). It was 8° at Palomar Mountain, the lowest temperature on record, which also occurred on 12/30/1947.

1902: It was 81° in San Diego on 1/3 and on this day, the highest temperature of all of 1902, remarkably in January!
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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. @ 0650 Hrs. TEMP: 290 RH: 64% WIND: W 3 g 8
2.09” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 0.00” YTD S/F: 0.00” /
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