WEATHER 3/13/19

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: 3/13/19

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: (NWS SAN DIEGO)
A few light showers over the San Diego County mountains and inland valleys will end early this morning and gusty west winds in the mountains and deserts will subside early this morning. Otherwise, dry weather with periods of weak to locally moderate strength offshore flow will prevail into early next week with periods of gusty northeast winds along and near the coastal slopes of the mountains and below passes and canyons. There will be a warming trend through Sunday, continuing into Monday in the lower deserts. High temperatures will be above average by the weekend and continue into Monday.

A trough over the Great Basin will move off to the east this afternoon. A ridge of high pressure building into California from the Pacific Ocean will be overhead Thursday through early next week.
· Northwest winds of 20 to 40 mph with gusts to 60 mph across the mountain ridges and desert passes will decrease as the morning wears on.
· Isolated showers mainly over the mountains will come to an end later this morning.
· Maximum temperatures will cool today, with mid 30s to mid 40s across the mountains and mid 50s to mid 60s in the valleys.
· Significant warming will occur Thursday and Friday, with temperatures 5 to 10 degrees above normal Friday through early next week.
· Temperatures over the warmer valley locations will be in the low 80s Saturday into early next week.
· Northeast to east winds of 15 to 25 mph with gusts to 40 mph will surface across the mountains and below the canyons and passes of Southern California Thursday morning through Sunday morning

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
Strong northwest winds and below normal temperatures can be expected today. Winds will diminish this evening, and temperatures will start to moderate on Thursday before climbing above normal for the weekend into early next week.

SPECIAL NOTES:

DAILY FUELS/FIRE POTENTIAL:
No large fire activity is anticipated across the region through the forecast period.

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

————————————————————————————–
APPLE VALLEY / HESPERIA-VICTOR VALLEY (CAZ260):
TODAY… Sky/weather………Sunny.
Max temperature…..53 to 58. 24 HR TREND……Down 3 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..Winds west 6 to 14 mph becoming north 6 to 12 mph in the afternoon. Gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Clear.
Min temperature…..30 to 35. 24 HR TREND……Down 4 degrees.
Max humidity……..50 to 60 percent. 24 HR TREND……Down 30 percent.
WIND (20 FT)……..Winds north 6 to 10 mph becoming east 6 to 9 mph after midnight. Gusts to 20 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..53 to 58. 24 HR TREND……Up 1 degree.
Min humidity……..15 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds northeast 6 to 8 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

WRIGHTWOOD:
Wednesday
Sunny, with a high near 42. North wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 23. Northwest wind 5 to 10 mph becoming northeast after midnight.
Thursday
Sunny, with a high near 45. Northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 30. Calm wind becoming northwest around 5 mph after midnight.

BIG PINES / WEST WRIGHTWOOD AREA
Wednesday
Sunny, with a high near 41. Very windy, with a north wind 30 to 40 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 55 mph.
Wednesday Night
Mostly clear, with a low around 26. Windy, with a north northeast wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 45 mph.
Thursday
Mostly sunny, with a high near 43. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Thursday Night
Partly cloudy, with a low around 31.

PHELAN:
Wednesday
Sunny, with a high near 48. West wind 10 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 51. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 33. North wind around 5 mph becoming calm

TRONA:
WIND ADVISORY REMAINS IN EFFECT TO 4 PM PDT WEDNESDAY
Wednesday
Sunny, with a high near 63. North wind 9 to 17 mph becoming east in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Clear, with a low around 40. North wind 6 to 15 mph.
Thursday
Sunny, with a high near 63. East northeast wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 44. Northeast wind 5 to 7 mph becoming north northwest in the evening.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….60-65. * 24 hr trend…..On average down 5 degrees.
* Min humidity: * Valley floor….11-19 percent. * 24 hr trend…..On average down 19 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Northwest wind 10 to 20 mph with gusts to around 40 mph.
* 10000 ft msl….Northwest 35 to 45 mph increasing to 40 to 50 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.TONIGHT… * Sky/Weather………Clear.
* Min temperature: * Valley floor….33-38. * 24 hr trend…..On average down 5 degrees.
* Max humidity: * Valley floor….40-45 percent. * 24 hr trend…..On average down 17 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph with gusts to around 30 mph.
* 10000 ft msl….Northwest 35 to 45 mph decreasing to 25 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.THURSDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….61-66. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….12-18 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph with gusts to around 25 mph.
* 10000 ft msl….Northwest 35 to 45 mph becoming north 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

BAKER:
WIND ADVISORY REMAINS IN EFFECT TO 4 PM PDT WEDNESDAY
Wednesday
Sunny, with a high near 64. Windy, with a north northwest wind 21 to 30 mph, with gusts as high as 40 mph.
Wednesday Night
Clear, with a low around 38. North northwest wind 7 to 16 mph.
Thursday
Sunny, with a high near 64. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 41. North northeast wind 3 to 6 mph

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
TODAY… * Sky/Weather………Sunny.
* Max temperature: *Valley floor….55-60. * 7000 feet…….38-43. * 24 hr trend…..On average down 5 degrees.
* Min humidity: * Valley floor…16-23 percent. * 7000 feet….29-39 percent. * 24 hr trend….On average down 6 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph.
* Upper slopes….Northwest winds 15 to 25 mph with gusts to around 50 mph.
* 10000 ft msl….Northwest 30 to 40 mph increasing to 35 to 45 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor….28-33. * 7000 feet…….Zero to 5 above zero. * 24 hr trend…..Little change.
* Max humidity: * Valley floor….45-50 percent. * 7000 feet..49-54 percent. * 24 hr trend…..On average down 11 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph.
* Upper slopes….Northwest winds 10 to 15 mph. Gusts up to 40 mph decreasing to 30 mph after midnight.
* 10000 ft msl….Northwest 25 to 35 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.THURSDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….55-60. * 7000 feet…….39-44. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….15-21 percent. * 7000 feet…21-31 percent. * 24 hr trend…..On average down 5 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph.
* Upper slopes….North winds 10 to 15 mph.
* 10000 ft msl….North 25 to 35 mph decreasing to 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

INLAND EMPIRE (CAZ248):
.TODAY… Sky/weather………Partly cloudy…becoming mostly sunny.
Max temperature…..59 to 67. 24 HR TREND……Down 3 degrees.
Min humidity……..25 to 30 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..Winds south 6 to 12 mph becoming northwest in the afternoon. Gusts to 25 mph.
CWR (>0.10 IN)……2 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..36 to 46. 24 HR TREND……Down 4 degrees.
Max humidity……..70 to 80 percent. 24 HR TREND……Down 25 percent.
WIND (20 FT)……..Winds northwest 6 to 9 mph with gusts to 20 mph becoming east 6 to 15 mph with gusts to 30 mph after midnight.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..61 to 70. 24 HR TREND……Up 2 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..Winds north 6 to 16 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

DEVORE:
Wednesday
Sunny, with a high near 62. North wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 39. Windy, with a northwest wind 5 to 10 mph becoming north 20 to 30 mph in the evening. Winds could gust as high as 45 mph.
Thursday
Sunny, with a high near 64. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph.
Thursday Night
Partly cloudy, with a low around 43. North wind around 15 mph, with gusts as high as 30 mph.

CHINO HILLS:
Wednesday
Sunny, with a high near 65. East wind 5 to 10 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 39. Southwest wind 5 to 15 mph becoming east in the evening. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 69. East wind 10 to 15 mph becoming light and variable. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming light and variable.

COLTON:
Wednesday
Sunny, with a high near 66. East wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 43. Northwest wind 5 to 10 mph becoming north in the evening.
Thursday
Sunny, with a high near 70. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 45. North wind 5 to 10 mph becoming light and variable in the evening.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
TODAY… Sky/weather………Partly cloudy…becoming mostly sunny.
Max temperature…..36 to 46 above 6000 feet to 42 to 51 below 6000 feet. 24 HR TREND……Down 5 degrees.
Min humidity…25 to 35 percent on desert slopes to 30 to 40 percent on coastal slopes. 24 HR TREND…Down 25 percent.
WIND (20 FT)……..
SLOPES………..Winds north 13 to 23 mph. Gusts to 45 mph…becoming 35 mph in the afternoon.
RIDGETOP………Winds northwest 19 to 29 mph. Gusts to 55 mph…becoming 40 mph in the afternoon.
CWR (>0.10 IN)……2 percent. LAL……………..1.

.TONIGHT… Sky/weather………Clear.
Min temperature…..13 to 23 above 6000 feet to 23 to 33 below 6000 feet. 24 HR TREND……Down 7 degrees.
Max humidity……..40 to 50 percent on desert slopes to 65 to 75 percent on coastal slopes.
24 HR TREND……Down 50 percent.
WIND (20 FT)……..
SLOPES………..Winds northeast 6 to 16 mph with gusts to 35 mph.
RIDGETOP………Winds north 7 to 16 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..37 to 47 above 6000 feet to 43 to 51 below 6000 feet. 24 HR TREND……Little change.
Min humidity……..15 to 25 percent. 24 HR TREND……Down 20 percent.
WIND (20 FT)……..
SLOPES………..Winds northeast 6 to 15 mph with gusts to 30 mph.
RIDGETOP………Winds north 6 to 15 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
Wednesday
Sunny, with a high near 47. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Mostly clear, with a low around 28. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 51. North wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 30. Northeast wind 5 to 10 mph.

BIG BEAR SCHOOL AREA:
Wednesday
Sunny, with a high near 39. Breezy, with a north wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 42. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 21. North wind around 5 mph becoming calm.

BANNING PASS:
TODAY… Sky/weather………Mostly sunny.
Max temperature…..69 to 74. 24 HR TREND……Down 1 degree.
Min humidity……..15 to 20 percent. 24 HR TREND……Down 20 percent.
WIND (20 FT)……..Winds north 9 to 19 mph with gusts to 40 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..42 to 50. 24 HR TREND……Down 3 degrees.
Max humidity……..25 to 35 percent. 24 HR TREND……Down 25 percent.
WIND (20 FT)……..Winds north 6 to 13 mph becoming west after midnight. Gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..68 to 73. 24 HR TREND……Down 1 degree.
Min humidity……..5 to 10 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Winds north 6 to 12 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ261):
.TODAY… * Sky/weather…………………Sunny.
* Max Temperature……………..49-61. * 24 hr trend………………5 degrees cooler.
* Min Humidity………………..15-24 pct. * 24 hr trend………………26 pct drier.
* Winds – 20 foot…Slope/Valley..Breezy. Northwest 20 to 30 mph.
* Winds…10000 FT MSL…………Northwest 40 to 50 mph in the morning becoming 30 to 40 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…………………Clear.
* Min Temperature……………..33-41. * 24 hr trend………………5 degrees cooler.
* Max Humidity………………..36-43 pct. * 24 hr trend…………33 pct drier.
* Winds – 20 foot…Slope/Valley..Northwest 15 to 25 mph.
* Winds…10000 FT MSL…………Northwest 20 to 30 mph.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.THURSDAY… * Sky/weather…………………Sunny.
* Max Temperature……………..50-63. * 24 hr trend………………Little change.
* Min Humidity………………..15-20 pct. * 24 hr trend………………Little RH change.
* Winds – 20 foot…Slope/Valley..North 10 to 20 mph.
* Winds…10000 FT MSL…………Northwest 25 to 35 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………Mostly sunny.
* Max temperature: * Valley floor….62-67. * 24 hr trend…..On average down 3 degrees.
* Min humidity: * Valley floor….12-21 percent. * 24 hr trend…..On average down 26 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Northwest wind 10 to 15 mph shifting to the north 15 to 25 mph in the afternoon. Gusts up to 45 mph.
* 10000 ft msl….Northwest 35 to 45 mph decreasing to 30 to 40 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..3.
* Mixing height…….10300 ft agl.
* Transport winds…..North 20 to 30 knots.
* Ventilation………Excellent.

.TONIGHT… * Sky/Weather………Clear.
* Min temperature: * Valley floor….37-42. * 24 hr trend…..On average down 6 degrees.
* Max humidity: * Valley floor….42-47 percent. * 24 hr trend…..On average down 22 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph. Gusts up to 25 mph in the evening.
* 10000 ft msl….Northwest 30 to 40 mph decreasing to 25 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.THURSDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….63-68. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….15-23 percent. * 24 hr trend…..On average up 2 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph.
* 10000 ft msl….North 30 to 40 mph becoming northeast 15 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….8600 ft agl.
* Transport winds…..North 15 to 20 knots.
* Ventilation………Excellent.

STATELINE – CLARK COUNTY BORDER:
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * 4000 feet…….55-60. * 24 hr trend…..On average down 7 degrees.
* Min humidity: * 4000 feet…….15-23 percent. * 24 hr trend…..On average down 19 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northwest winds 15 to 25 mph with gusts to around 40 mph.
* 10000 ft msl….Northwest 30 to 40 mph becoming north 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..3.
* Mixing height…….9900 ft agl.
* Transport winds…..North 25 to 35 knots shifting to the northwest 20 to 25 knots in the afternoon.
* Ventilation………Excellent.

.TONIGHT… * Sky/Weather………Clear.
* Min temperature: * 4000 feet…….31-36. * 24 hr trend…..On average down 6 degrees.
* Max humidity: * 4000 feet…….44-49 percent. * 24 hr trend…..On average down 13 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph. Gusts up to 30 mph in the evening.
* 10000 ft msl….North 25 to 35 mph decreasing to 20 to 30 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.THURSDAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….57-62. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * 4000 feet…….16-24 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph.
* 10000 ft msl….North 20 to 30 mph becoming northeast 15 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….8500 ft agl.
* Transport winds…..North 10 to 20 knots.
* Ventilation………Excellent.

*************************** OUT OF COUNTY ********************************
WARMING AND DRYING TREND STARTING THURSDAY AND CONTINUING INTO THE WEEKEND
LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
.WEDNESDAY… Sky/weather………Mostly sunny.
Max temperature…..63-67. 24 hr trend……Up 7.
Min humidity……..30-40 percent. 24 hr trend……Down 4.
20-foot winds…….North 6-12 mph until late afternoon becoming variable 3-6 mph.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min temperature…..43-47.
Max humidity……..55-70 percent.
20-foot winds…….West 6-12 mph with local gusts to 20 mph early becoming northeast 8-15 mph with gusts to 25 mph. Strongest in the hills.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..68-74.
Min humidity……..18-25 percent.
20-foot winds…….Northeast 8-15 mph with gusts to 25 mph becoming north 6-12 mph in the afternoon. Strongest in the hills.
LAL……………..1. CWR (>0.10 IN)……0 percent.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
.WEDNESDAY… Sky/weather………Mostly sunny.
Max temperature…..61-67. 24 hr trend……Little change.
Min humidity……..25-35 percent. 24 hr trend……Down 8.
20-foot winds…….North 15-25 mph with gusts to 40 mph becoming 15-25 mph with gusts to 35 mph in the afternoon.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min temperature…..42-47.
Max humidity……..45-60 percent.
20-foot winds…….North 15-25 mph with gusts to 35 mph early becoming north to northeast 15-25 mph with gusts to 40 mph late.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..64-72.
Min humidity……..18-25 percent.
20-foot winds…….North to northeast 15-25 mph with gusts to 40 mph becoming north 6-12 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

SANTA CLARITA VALLEY:
.WEDNESDAY… Sky/weather………Mostly sunny.
Max temperature…..59-64. 24 hr trend……Up 3.
Min humidity……..25-30 percent. 24 hr trend……Down 7.
20-foot winds…….North 20-30 mph with gusts to 45 mph becoming 15-25 mph with gusts to 35 mph in the afternoon.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min temperature…..38-42.
Max humidity……..50-60 percent.
20-foot winds…….North 15-25 mph with gusts to 35 mph early becoming northeast 20-30 mph with gusts to 40 mph late.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..61-66.
Min humidity……..18-25 percent.
20-foot winds…….Northeast 20-30 mph with gusts to 40 mph becoming 15-25 mph with gusts to 30 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
.WEDNESDAY… Sky/weather………Mostly sunny.
Max temperature…..56-65. 24 hr trend……Little change.
Min humidity……..30-45 percent. 24 hr trend……Down 11.
20-foot winds…….
Valleys/lwr slopes…North 20-30 mph with gusts to 45 mph becoming 15-25 mph with gusts to 35 mph in the afternoon.
Ridges/upr slopes….North 20-30 mph with gusts to 45 mph becoming northwest 15-25 mph with gusts to 35 mph late in the afternoon.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min temperature…..45-49.
Max humidity……..45-60 percent.
20-foot winds…….
Valleys/lwr slopes…Northeast 20-30 mph with gusts to 45 mph.
Ridges/upr slopes….Northeast 20-30 mph with gusts to 45 mph. Isolated gusts to 60 mph western peaks.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..58-68.
Min humidity……..25-35 percent.
20-foot winds…….
Valleys/lwr slopes…Northeast 20-30 mph with gusts to 45 mph becoming north 6-12 mph in the afternoon.
Ridges/upr slopes….Northeast 20-30 mph with gusts to 45 mph becoming north 10-20 mph with gusts to 25 mph in the afternoon. Isolated gusts to 60 mph western peaks.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANGELES NATIONAL FOREST (CAZ253):
WEDNESDAY… Sky/weather………Mostly sunny. Slight chance of snow showers in the morning.
Max temperature…..52-62 low elevations to 40-47 higher elevations. 24 hr trend……Up 4.
Min humidity……..30-45 percent. 24 hr trend……Down 25.
20-foot winds…….
Valleys/lwr slopes…North 25-40 mph with gusts to 65 mph becoming 20-30 mph with gusts to 45 mph in the afternoon. Strongest through the I-5 Corridor.
Ridges/upr slopes….North 25-40 mph with gusts to 65 mph becoming 15-25 mph with gusts to 35 mph in the afternoon. Isolated gusts to 80 mph near Whitaker Peak.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min temperature…..34-43 low elevations to 24-32 colder valleys and peaks.
Max humidity……..45-60 percent.
20-foot winds…….
Valleys/lwr slopes…North 20-30 mph with gusts to 45 mph in the evening becoming northeast late.
Ridges/upr slopes….North 15-25 mph with gusts to 35 mph in the evening becoming northeast 20-35 mph with gusts to 55 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..55-65 low elevations to 41-48 higher elevations.
Min humidity……..20-30 percent.
20-foot winds…….
Valleys/lwr slopes…Northeast 20-30 mph with gusts to 45 mph becoming 15-25 mph with gusts to 35 mph in the afternoon.
Ridges/upr slopes….Northeast 20-35 mph with gusts to 55 mph becoming 15-25 mph with gusts to 35 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANTELOPE VALLEY (CAZ259):
.WEDNESDAY… Sky/weather………Mostly sunny.
Max temperature…..48-58. 24 hr trend……Up 5.
Min humidity……..25-35 percent. 24 hr trend……Down 7.
20-foot winds…….Northwest 25-35 mph with gusts to 60 mph becoming north 10-20 mph with local gusts to 30 mph in the afternoon. Strongest west valley.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min temperature…..31-36.
Max humidity……..55-70 percent.
20-foot winds…….Northwest 10-20 mph with local gusts to 30 mph in the evening becoming northeast 10-20 mph with gusts to 30 mph. Strongest west valley.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..51-61.
Min humidity……..15-25 percent.
20-foot winds…….Northeast 10-20 mph with gusts to 30 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

KERN CO. DESERTS (CAZ298):
WEDNESDAY… Sky/weather………Sunny.
Max Temperature…..53-58. 24 HR Trend……Down 2-8 degrees.
Min Humidity……..30-40 percent. 24 HR Trend……Down 2-8 percent.
20-Foot Winds…….West 5-13 mph in the early morning becoming northeast 4-8 mph by afternoon.
LAL……………..1.
Ventilation………Very good.
Mixing height…….6100 ft AGL.
Transport Winds…..North around 25 mph in the morning becoming northwest around 15 mph in the afternoon.
Chc Wetting Rain….0 percent.

.WEDNESDAY NIGHT… Sky/weather………Clear.
Min Temperature…..32-37. 24 HR Trend……Down 3-5 degrees.
Max Humidity……..45-55 percent. 24 HR Trend……Down 9-19 percent.
20-Foot Winds…….North 4-8 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.THURSDAY… Sky/weather………Sunny.
Max Temperature…..54-59. 24 HR Trend……Little change.
Min Humidity……..21-31 percent. 24 HR Trend……Down 4-10 percent.
20-Foot Winds…….Northeast 4-10 mph.
LAL……………..1.
Ventilation………Good.
Mixing height…….5400 ft AGL.
Transport Winds…..Northeast 10 to 15 mph.
Chc Wetting Rain….0 percent.

La Jolla CA
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 59. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. West wind around 5 mph becoming east in the evening.
Thursday
Sunny, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 10 mph.

Poway CA
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 65. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. Light and variable wind becoming northeast 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 69. East wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming light and variable after midnight.

CEDAR CITY Ut.
WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM MDT WEDNESDAY
WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MDT WEDNESDAY

Wednesday
Snow showers likely, mainly before noon. Partly sunny, with a high near 32. North wind 11 to 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. North wind 7 to 16 mph.
Thursday
Sunny, with a high near 40. North wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 21. North northeast wind 5 to 7 mph becoming calm after midnight.

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THIS DAY IN WEATHER HISTORY:
2015: Strong high pressure and Santa Ana conditions boosted temperatures into the 90s across the coast and valleys from this day through 3/16, and cooling only into the 60s at night. Numerous daily high maximum and daily high minimum records were set. On this day the warmest reading of 96° in Santa Ana was reached. Highest minimum temperatures were 68° in Santa Ana and San Diego on 3/15.

1998: During a period that started on this day and ended on 3/14, numerous waterspouts occurred between Long Beach, Huntington Beach and Catalina Island. Funnel clouds were observed in Phelan and Hesperia.

1996: A storm that started on 3/12 and ended on this day brought eight to 12 inches of snow to the San Bernardino Mountains. On this day funnel clouds were observed in Irvine, two southwest of Moreno Valley, and one northwest of Hemet

1995: A series of storms that brought heavy rain to the entire state over a 12-day period came to an end on this day. Rainfall totals for the period exceeded 15 inches in the mountains of San Diego and Riverside Counties, and 12 inches in the San Gabriel and San Bernardino Mountains. Idyllwild recorded its wettest 12 day period in March, with 15.29 inches of rainfall.

1967: A series of storms brought heavy rain starting on 3/11 and ending on 3/14. Total precipitation was 8.52 inches in Lake Arrowhead and 8.06 inches in Lytle Creek. Only about one inch fell in the San Bernardino area during this time, and none in Victorville. The Mojave River flooded a couple of roads and washed out construction sites in the desert. Heavy snow fell in the higher mountains, up to two feet in Big Bear Lake. But only one inch at Lake Arrowhead and Idyllwild

1941: A heavy storm hit the San Gabriel Mountains and Mojave Desert from 3/12 through 3/14. Victorville received 1.78 inches. The Mojave River flooded homes in the Oro Grande Wash. In Wrightwood three houses were destroyed from a mudslide in Heath Canyon. Mud and debris six feet deep covered Lone Pine Road.

1936: It was 29° in Palm Springs, the lowest temperature on record for March. This also occurred on 3/4/1952. This is also the latest date of a freezing temperature on record.
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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. @ 0710 Hrs. TEMP: 380 RH: 70% WIND: CALM
7.24” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 1.09” YTD S/F: 1.00” /
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