WEATHER 3/14/19

DAILY FIRE WEATHER & FIRE INFO
To: ALL UNITS From:
EMAIL: pdupree@bdcecs.org
Ph: OFFICE:(760) 559-3032
AFTER 2200 HRS CALL (760)-244-9790

RADIO:(HAM) KG6ZHW
COUNTY F.D RADIO: #733784 CALL SIGN: COM-330

Date: 3/14/19

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.:02

National Preparedness Level (PL 1 )

Southern California Area Preparedness Level: (PL 2 )

Northern California Area Preparedness Level (PL 1 )

SYNOP: (NWS SAN DIEGO)
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 into Sunday and Monday followed by slow cooling on Tuesday. Precipitation could return around the middle of 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 through Sunday morning.
· Temperatures will warm through Saturday and then be around 10 degrees above normal through early next week.
· Maximum temperatures will be in the 40s to low 50s across the mountains and mid 60s to mid 70s in the valleys today.
· Significant cooling along with scattered showers will affect the region starting Wednesday.
· There will also be gusty south to west winds across the mountains and deserts starting Wednesday.

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
Several days of quiet weather can be expected. A warming trend will begin today and continue into early next week, sending temperatures several degrees above normal by Tuesday. A chance of precipitation returns around the middle of next week.

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
Offshore winds will make a belated return during the next few days. In general, offshore winds of 15-25 mph with gusts to 40 mph may occur through the weekend with the strongest winds likely tonight into Thursday morning
————————————————————————————–
APPLE VALLEY / HESPERIA-VICTOR VALLEY (CAZ260):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..53 to 58. 24 HR TREND……Little change.
Min humidity……..15 to 20 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Winds northeast 6 to 11 mph with gusts to 20 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..32 to 37. 24 HR TREND……Up 3 degrees.
Max humidity……..50 to 60 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds northeast 6 to 10 mph. Gusts to 20 mph in the evening.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..58 to 63. 24 HR TREND……Up 5 degrees.
Min humidity……..15 to 20 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds northeast 6 to 11 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

WRIGHTWOOD:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Thursday
Sunny, with a high near 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 31. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 46. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 33. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

BIG PINES / WEST WRIGHTWOOD AREA
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Thursday
Sunny, with a high near 42. Breezy, with a north northeast wind around 25 mph, with gusts as high as 40 mph.
Thursday Night
Partly cloudy, with a low around 29. Blustery, with a northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 46. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 32. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.

PHELAN:
Thursday
Sunny, with a high near 50. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 34. Northeast wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 53. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 34. Northeast wind 5 to 10 mph becoming light and variable

TRONA:
Thursday
Sunny, with a high near 63. Northeast wind 6 to 14 mph.
Thursday Night
Mostly clear, with a low around 42. North wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 67. Northeast wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 45. North wind 6 to 8 mph

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….61-66. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….11-17 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 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.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….35-40. * 24 hr trend…..On average up 2 degrees.
* Max humidity: * Valley floor….44-49 percent. * 24 hr trend…..On average up 5 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind up to 10 mph.
* 10000 ft msl….Northeast 20 to 30 mph decreasing to 10 to 20 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.FRIDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….66-71. * 24 hr trend…..On average up 5 degrees.
* Min humidity: * Valley floor….11-17 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph.
* 10000 ft msl….Northeast 10 to 20 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

BAKER:
Thursday
Sunny, with a high near 64. North wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 41. Northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 68. North wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 43. North wind around 7 mph.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….56-61. * 7000 feet…….40-45. * 24 hr trend…..Little change.
* Min humidity: *Valley floor….13-19 percent. * 7000 feet….23-33 percent. * 24 hr trend…..On average down 4 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 with gusts to around 30 mph.
* 10000 ft msl….North 20 to 30 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….30-35. * 7000 feet…….1-6. * 24 hr trend…..On average up 3 degrees.
* Max humidity: * Valley floor….43-48 percent. *7000 feet….43-48 percent. * 24 hr trend…..On average down 4 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northwest winds up to 10 mph.
* Upper slopes….North winds 10 to 15 mph with gusts to around 25 mph.
* 10000 ft msl….North 15 to 25 mph becoming northeast 10 to 15 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.FRIDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….60-65. * 7000 feet…….42-47. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….13-19 percent. * 7000 feet…….21-31 percent. 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds up to 10 mph.
* Upper slopes….Northeast winds 10 to 15 mph with gusts to around 30 mph.
* 10000 ft msl….Northeast 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

INLAND EMPIRE (CAZ248):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..60 to 69. 24 HR TREND……Up 4 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 15 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…..40 to 48. 24 HR TREND……Up 4 degrees.
Max humidity……..40 to 50 percent. 24 HR TREND……Down 55 percent.
WIND (20 FT)……..Winds north 6 to 15 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..64 to 74. 24 HR TREND……Up 3 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds northeast 7 to 17 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

DEVORE:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Thursday
Sunny, with a high near 63. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph.
Thursday Night
Mostly clear, with a low around 46. Breezy, with a north wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph.
Friday
Sunny, with a high near 67. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph.
Friday Night
Mostly clear, with a low around 46. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph

CHINO HILLS:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Thursday
Sunny, with a high near 67. Northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 46. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 72. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 47. Northeast wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.

COLTON:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Thursday
Sunny, with a high near 68. North wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 48. North wind 5 to 10 mph.
Friday
Sunny, with a high near 72. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 48. Northeast wind 5 to 10 mph becoming light and variable.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
.TODAY… Sky/weather………Mostly sunny.
Max temperature…..35 to 45 above 6000 feet to 42 to 50 below 6000 feet. 24 HR TREND……Little change.
Min humidity……..15 to 25 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..
SLOPES………..Winds northeast 10 to 19 mph with gusts to 35 mph.
RIDGETOP………Winds north 10 to 19 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..13 to 23 above 6000 feet to 25 to 35 below 6000 feet. 24 HR TREND……Down 3 degrees.
Max humidity..35 to 45 percent on desert slopes to 40 to 50 percent on coastal slopes. 24 HR TREND…Down 5 percent.
WIND (20 FT)……..
SLOPES………..Winds northeast 9 to 17 mph with gusts to 35 mph.
RIDGETOP………Winds northeast 11 to 16 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..40 to 50 above 6000 feet to 47 to 55 below 6000 feet. 24 HR TREND……Up 3 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..
SLOPES………..Winds northeast 9 to 18 mph with gusts to 35 mph.
RIDGETOP………Winds northeast 11 to 17 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Today
Sunny, with a high near 47. Northeast wind around 20 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 31. Northeast wind around 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 53. Northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 33. Northeast wind around 15 mph, with gusts as high as 25 mph.

BIG BEAR SCHOOL AREA:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
Today
Sunny, with a high near 37. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 21. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 42. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 24. Northeast wind 10 to 15 mph, with gusts as high as 25 mph

BANNING PASS:
TODAY… 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 10 percent.
WIND (20 FT)……..Winds north 6 to 15 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..45 to 52. 24 HR TREND……Little change.
Max humidity……..30 to 40 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds north 6 to 10 mph becoming west 6 to 11 mph after midnight. Gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..74 to 79. 24 HR TREND……Up 5 degrees.
Min humidity……..10 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds northeast 6 to 13 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ261):
TODAY… * Sky/weather…………………Sunny.
* Max Temperature……………..49-63. * 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 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.

.TONIGHT… * Sky/weather…………………Mostly clear.
* Min Temperature……………..34-42. * 24 hr trend………………Little change.
* Max Humidity………………..40-49 pct. * 24 hr trend………………5 pct wetter.
* Winds – 20 foot…Slope/Valley..North 5 to 15 mph.
* Winds…10000 FT MSL…………North 15 to 25 mph in the evening becoming northeast 5 to 15 mph after midnight.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.FRIDAY… * Sky/weather…………………Mostly sunny.
* Max Temperature……………..54-68. * 24 hr trend………………5 degrees warmer.
* Min Humidity………………..15-22 pct. * 24 hr trend………………Little RH change.
* Winds – 20 foot…Slope/Valley..North 10 to 20 mph.
* Winds…10000 FT MSL…………Northeast 10 to 20 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….63-68. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….14-23 percent. * 24 hr trend…..On average up 3 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 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….8800 ft agl.
* Transport winds…..North 15 to 20 knots.
* Ventilation………Excellent.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor….39-44. * 24 hr trend…..On average up 3 degrees.
* Max humidity: * Valley floor….48-53 percent. * 24 hr trend…..On average up 8 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind up to 10 mph.
* 10000 ft msl….East 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.FRIDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….69-74. * 24 hr trend…..On average up 6 degrees.
* Min humidity: * Valley floor….13-21 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph.
* 10000 ft msl….Northeast 10 to 20 mph shifting to the east 15 to 20 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….10400 ft agl.
* Transport winds…..North 10 to 20 knots.
* Ventilation………Excellent.

STATELINE – CLARK COUNTY BORDER:
TODAY… * 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…..On average up 3 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph with gusts to around 25 mph.
* 10000 ft msl….North 20 to 30 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….9100 ft agl.
* Transport winds…..North 15 to 20 knots.
* Ventilation………Excellent.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * 4000 feet…….33-38. * 24 hr trend…..On average up 2 degrees.
* Max humidity: * 4000 feet…….51-56 percent. * 24 hr trend…..On average up 7 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds up to 10 mph.
* 10000 ft msl….Northeast 15 to 25 mph becoming east 10 to 15 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.FRIDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * 4000 feet…….62-67. * 24 hr trend…..On average up 5 degrees.
* Min humidity: * 4000 feet…….14-20 percent. * 24 hr trend…..On average down 3 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northeast winds up to 10 mph.
* 10000 ft msl….Northeast 10 to 20 mph increasing to east 15 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.
* Mixing height…….7700 ft agl.
* Transport winds…..Northeast 15 to 20 knots.
* Ventilation………Excellent.

*************************** OUT OF COUNTY ********************************
GUSTY SANTA ANA WINDS WITH WARM AND DRY CONDITIONS THURSDAY THROUGH SATURDAY
LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..66-72. 24 hr trend……Up 4.
Min humidity……..10-20 percent. 24 hr trend……Down 20.
20-foot winds…….Canyons and Hills…Northeast 15-25 mph with gusts to 40 mph,becoming 8-15 mph with to gusts to 25 mph by mid-afternoon. Otherwise…Northeast 6-12 mph with local gusts to 20 mph becoming southwest 6-12 mph in the afternoon.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Partly cloudy.
Min temperature…..45-49. Max humidity……..40-50 percent.
20-foot winds…….Canyons and Hills…Northeast 8-15 mph with to gusts to 25 mph.Otherwise…Northeast 6-12 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..69-76.
Min humidity……..15-15 percent.
20-foot winds…….Canyons and Hills…Northeast 10-20 mph with gusts to 35 mph,becoming 6-12 mph with to gusts to 20 mph by mid-afternoon. Otherwise…Northeast 6-12 mph becoming west 6-12 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..65-72. 24 hr trend……Up 3.
Min humidity……..10-15 percent. 24 hr trend……Down 9.
20-foot winds…….West Valley…North to northeast 20-30 mph with gusts to 45 mph. Otherwise…Northeast 8-15 mph with gusts to 25 mph.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Partly cloudy.
Min temperature…..45-50.
Max humidity……..30-45 percent.
20-foot winds…….West Valley…North to northeast 15-25 mph with gusts to 40 mph. Otherwise…Northeast 6-12 mph with gusts to 20 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..70-75.
Min humidity……..10-15 percent.
20-foot winds…….West Valley…North to northeast 20-30 mph with gusts to 45 mph. Otherwise…Northeast 8-15 mph with gusts to 25 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

SANTA CLARITA VALLEY:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..60-66. 24 hr trend……Little change.
Min humidity……..10-15 percent. 24 hr trend……Down 7.
20-foot winds…….North to northeast 20-30 mph with gusts to 45 mph.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Partly cloudy.
Min temperature…..39-45.
Max humidity……..30-40 percent.
20-foot winds…….North to northeast 15-25 mph with gusts to 40 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..64-69.
Min humidity……..10-15 percent.
20-foot winds…….North to northeast 20-30 mph with gusts to 45 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..58-68. 24 hr trend……Up 3.
Min humidity……..12-20 percent. 24 hr trend……Down 10.
20-foot winds…….
Valleys/lwr slopes…North to northeast 15-30 mph with gusts to 45 mph becoming 8-15 mph with gusts to 25 mph by mid-afternoon.
Ridges/upr slopes….Northeast 20-35 mph with gusts to 55 mph becoming becoming 15-25 mph with gusts to 40 mph by mid-afternoon.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Partly cloudy.
Min temperature…..46-51.
Max humidity……..25-40 percent.
20-foot winds…….
Valleys/lwr slopes…North to northeast 8-15 mph with gusts to 25 mph becoming 15-25 mph with gusts to 40 mph after midnight.
Ridges/upr slopes….Northeast 10-20 mph with gusts to 30 mph early becoming northeast 15-30 mph with gusts to 45 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..63-73.
Min humidity……..10-20 percent.
20-foot winds…….
Valleys/lwr slopes…North to northeast 15-30 mph with gusts to 45 mph becoming 8-15 mph with gusts to 25 mph by mid-afternoon.
Ridges/upr slopes….Northeast 20-35 mph with gusts to 55 mph becoming becoming 15-25 mph with gusts to 40 mph by mid-afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANGELES NATIONAL FOREST (CAZ253):
WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT THURSDAY
.THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..54-64 low elevations to 40-47 higher elevations. 24 hr trend……Little change.
Min humidity……..12-20 percent. 24 hr trend……Down 13.
20-foot winds…….
Valleys/lwr slopes…Northeast 20-35 mph with gusts to 55 mph.
Ridges/upr slopes….Northeast 20-35 mph with gusts to 55 mph.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Partly cloudy.
Min temperature…..37-45 low elevations to 28-35 colder valleys and peaks.
Max humidity……..30-45 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.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..57-67 low elevations to 44-51 higher elevations.
Min humidity……..12-25 percent.
20-foot winds…….
Valleys/lwr slopes…Northeast 20-35 mph with gusts to 55 mph.
Ridges/upr slopes….Northeast 20-35 mph with gusts to 55 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANTELOPE VALLEY (CAZ259):
. THURSDAY… Sky/weather………Mostly sunny then becoming partly cloudy.
Max temperature…..50-60. 24 hr trend……Little change.
Min humidity……..12-20 percent. 24 hr trend……Down 11.
20-foot winds…….Northeast 6-12 mph with local gusts to 20 mph becoming 10-20 mph with gusts to 30 mph by the afternoon.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Partly cloudy.
Min temperature…..31-37.
Max humidity……..35-50 percent.
20-foot winds…….Northeast 10-20 mph with gusts to 30 mph early becoming 6-12 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..54-64.
Min humidity……..12-20 percent.
20-foot winds…….Northeast 6-12 mph with local gusts to 20 mph becoming 10-20 mph with gusts to 30 mph by the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

KERN CO. DESERTS (CAZ298):
.THURSDAY… Sky/weather………Sunny.
Max Temperature…..54-59. 24 HR Trend……Little change.
Min Humidity……..18-28 percent. 24 HR Trend……Down 7-12 percent.
20-Foot Winds…….Northeast 5-10 mph.
LAL……………..1.
Ventilation………Excellent.
Mixing height…….6200 ft AGL.
Transport Winds…..Northeast 15 to 20 mph.
Chc Wetting Rain….0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min Temperature…..34-39. 24 HR Trend……Up 1-3 degrees.
Max Humidity……..38-48 percent. 24 HR Trend……Down 3-5 percent.
20-Foot Winds…….Northeast 4-8 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max Temperature…..58-63. 24 HR Trend……Up 3-5 degrees.
Min Humidity……..17-27 percent. 24 HR Trend……Little change.
20-Foot Winds…….Northeast 4-8 mph in the morning increasing to 8-12 mph by afternoon.
LAL……………..1.
Ventilation………Excellent.
Mixing height…….7800 ft AGL.
Transport Winds…..Northeast around 15 mph in the morning increasing to around 25 mph in the afternoon.
Chc Wetting Rain….0 percent.

La Jolla CA
Thursday
Sunny, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming northeast after midnight.
Friday
Sunny, with a high near 65. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 52. North wind 5 to 10 mph.

Poway CA
Thursday
Sunny, with a high near 70. Northeast wind 10 to 15 mph becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 47. Northwest wind 5 to 10 mph becoming northeast after midnight.
Friday
Sunny, with a high near 73. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 47. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

CEDAR CITY Ut.
Thursday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 40. North wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 16. North northeast wind around 8 mph.
Friday
Sunny, with a high near 47. North northeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 24.

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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 3/13 through 3/16, and cooling only into the 60s at night. Numerous daily high maximum and daily high minimum records were set. On 3/13 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 3/13 and ended on this day, numerous waterspouts occurred between Long Beach, Huntington Beach and Catalina Island. Funnel clouds were observed in Phelan and Hesperia.

1971: A thunderstorm brought 1.11 inch of rain to San Bernardino in a short time, flooding streets, but not causing flooding damage. Lightning strikes caused power outages.

1967: A series of storms brought heavy rain starting on 3/11 and ending on this day. Total precipitation was 8.52 inches in Lake Arrowhead and 8.06 inches in Lytle Creek. Only 1.12 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 to this day. 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. Further south, San Diego received 3.35 inches of rain, the largest three-day rainfall total on record in March.
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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. @ 0835 Hrs. TEMP: 400 RH: 50% WIND: NW 4 G 9
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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FIRES: UPDATED

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