WEATHER 2/13/20

DAILY FIRE WEATHER & FIRE INFO
ALL UNITS From:
EMAIL: pdupree@bdcecs.org
Ph: OFFICE:(760) 559-3032
AFTER 2200 HRS CALL: (760)-244-9790
RADIO:(HAM) KG6ZHW
COUNTY F.D RADIO: #733784 CALL SIGN: COM-330

Date: 2/13/20

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.: 48

National Preparedness Level (PL 1 )

Southern California Area Preparedness Level: (PL 1 )

Northern California Area Preparedness Level (PL 1 )

GREEN = PL: 1 BLUE – PL:2 YELLOW = PL:3 ORANGE = PL:4 RED = PL: 5
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SOUTH OPS WX:
There will be little change in the weather through Saturday as a weak ridge of high pressure sits over the region. A weak trough will move into the Pacific Northwest Sunday and then drop into the Great Basin and Desert Southwest early next week. Another weak ridge of high pressure will set up over the region starting Wednesday of next week.

ꞏ Temperatures will remain near normal through the middle of next week, with upper 40s and 50s across the mountains and 60s to low 70s in the valleys.

ꞏ Minimum humidity will remain between 20% and 40% through this weekend and then drop into the teens Monday through the middle of next week.

ꞏ Winds will be light across the entire region through Sunday morning.

ꞏ There will be westerly winds of 15 to 25 mph with gusts to 40 mph through the desert passes Sunday afternoon and evening.

ꞏ Locally gusty offshore winds will surface across Southern California early next week.

SYNOP: (NWS SAN DIEGO)
Weak onshore flow will prevail through the weekend. Offshore flow may return beginning Monday and continuing through mid next week, but strength remains uncertain.

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
Dry and tranquil conditions are expected through Sunday morning with generally light winds and above normal temperatures. A weak weather system will bring increasing winds to the region Sunday afternoon into early next week, along with cooler temperatures and slight shower chances across mainly Southern Nevada.

DAILY FUELS/FIRE POTENTIAL:
There will be little or no fire activity 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………Mostly sunny.
Max temperature…..60 to 65. 24 HR TREND……Little change.
Min humidity……..15 to 20 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds east6 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..34 to 41. 24 HR TREND……Up 1 degree.
Max humidity……..45 to 55 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds east around 6 mph in the evening becoming variable 2 to 4 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..63 to 68. 24 HR TREND……Up 2 degrees.
Min humidity……..15 to 20 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

*WRIGHTWOOD:
Thursday
Sunny, with a high near 52. Southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 34. Calm wind.

*BIG PINES / WEST WRIGHTWOOD AREA
Thursday
Sunny, with a high near 51. South southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 37. South wind around 5 mph.
Friday
Sunny, with a high near 52. East wind around 10 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 38.

*PHELAN:
Thursday
Sunny, with a high near 60. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 40. Southwest wind around 5 mph.
Friday
Sunny, with a high near 60. Calm wind becoming northeast around 5 mph.
Friday Night
Mostly clear, with a low around 40. West wind around 5 mph.

TRONA (INDIAN WELLS) (CAZ298):
.THURSDAY… Sky/weather………Sunny.
Max Temperature…..62-67. 24 HR Trend……Little change.
Min Humidity……..15-23 percent. 24 HR Trend……Up 1-3 percent.
20-Foot Winds…….Northeast 5 mph in the early morning increasing to south 3-8 mph by afternoon.
LAL……………..1.
Ventilation………Marginal. Mixing height…….5200 ft AGL.
Transport Winds…..Northeast around 5 mph in the morning shifting to the southeast in the afternoon.
Chc Wetting Rain….0 percent.

.THURSDAY NIGHT… Sky/weather………Clear.
Min Temperature…..35-40. 24 HR Trend……Little change.
Max Humidity……..45-55 percent. 24 HR Trend……Up 2-4 percent.
20-Foot Winds…….Southwest 3-7 mph in the early evening shifting to the west 3-5 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.FRIDAY… Sky/weather………Sunny.
Max Temperature…..63-68. 24 HR Trend……Little change.
Min Humidity……..16-26 percent. 24 HR Trend……Up 1-3 percent.
20-Foot Winds…….West 3-5 mph in the early morning shifting to the south 3-7 mph by afternoon.
LAL……………..1.
Ventilation………Good. Mixing height…….5700 ft AGL.
Transport Winds…..West around 5 mph in the morning shifting to the southwest in the afternoon.
Chc Wetting Rain….0 percent.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….66-71. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….12-17 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….Northeast up to 10 mph in the morning becoming light and variable.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….36-41. * 24 hr trend…..Little change.
* Max humidity: * Valley floor….38-43 percent. * 24 hr trend…..On average down 3 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….South up to 10 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

.FRIDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….67-72. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….13-18 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….West 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

*BAKER:
Thursday
Sunny, with a high near 69. Light and variable wind.
Thursday Night
Mostly clear, with a low around 37. Light and variable wind.
Friday
Sunny, with a high near 70. Light and variable wind.
Friday Night
Mostly clear, with a low around 39. Light north northeast wind.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS (CAZ226):
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….62-67. * 7000 feet…….48-53. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….13-18 percent. * 7000 feet…23-33 percent. * 24 hr trend…On average up 4 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph becoming south around 10 mph in the afternoon.
* Upper slopes….South winds up to 10 mph.
* 10000 ft msl….Light and variable becoming southwest up to 10 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor….30-35. * 7000 feet…….11-16.* 24 hr trend…..On average up 2 degrees.
* Max humidity: * Valley floor….47-52 percent. * 7000 feet…47-52 percent. * 24 hr trend…On average up 4 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Southwest winds up to 10 mph in the evening becoming downslope/downvalley 2 to 5 mph.
* Upper slopes….West winds up to 10 mph.
* 10000 ft msl….Light and variable becoming southwest around 10 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

.FRIDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….62-67. * 7000 feet…….49-54. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….14-20 percent. * 7000 feet…….24-34 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph becoming south around 10 mph in the afternoon.
* Upper slopes….West winds 10 to 15 mph.
* 10000 ft msl….Light and variable becoming west up to 10 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

KERN CO. DESERTS (CAZ299):
.THURSDAY… Sky/weather………Sunny. Areas of frost in the morning.
Max Temperature…..61-66. 24 HR Trend……Little change.
Min Humidity……..21-31 percent. 24 HR Trend……Little change.
20-Foot Winds…….East 6 mph in the early morning shifting to the south 7 mph by afternoon.
LAL……………..1.
Ventilation………Good. Mixing height…….6200 ft AGL. Transport Winds…..East around 5 mph.
Chc Wetting Rain….0 percent.

.THURSDAY NIGHT… Sky/weather………Clear.
Min Temperature…..35-40. 24 HR Trend……Little change.
Max Humidity……..47-57 percent. 24 HR Trend……Down 3-5 percent.
20-Foot Winds…….West 7 mph in the early evening shifting to the northwest 3-5 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.FRIDAY… Sky/weather………Sunny.
Max Temperature…..63-68. 24 HR Trend……Up 1-3 degrees.
Min Humidity……..23-33 percent. 24 HR Trend……Little change.
20-Foot Winds…….North 3-5 mph in the early morning shifting to the southwest 3-9 mph by afternoon.
LAL……………..1.
Ventilation………Good. Mixing height…….6000 ft AGL.
Transport Winds…..North around 5 mph in the morning shifting to the west in the afternoon.
Chc Wetting Rain….0 percent.

INLAND EMPIRE (CAZ248):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..64 to 70. 24 HR TREND……Up 4 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Variable 2 to 4 mph becoming southwest around 6 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..38 to 47. 24 HR TREND……Up 1 degree.
Max humidity……..55 to 65 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds east around 6 mph in the evening becoming variable 2 to 4 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..65 to 71. 24 HR TREND……Down 1 degree.
Min humidity……..20 to 25 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..Variable 2 to 4 mph becoming west around 6 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

*DEVORE:
Thursday
Sunny, with a high near 68. North wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 49. Calm wind becoming north around 5 mph.
Friday
Sunny, with a high near 69. Northeast wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 48. Calm wind becoming north around 5 mph after midnight.

*CHINO HILLS:
Thursday
Sunny, with a high near 67. Northeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 43. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 44. Southwest wind around 5 mph becoming calm in the evening.

*COLTON:
Thursday
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 46. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 71. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 46. Calm wind.

SAN BERNARDINO N.F. (CAZ255):
.TODAY… Sky/weather………Mostly sunny.
Max temperature…..43 to 53 above 6000 feet to 51 to 61 below 6000 feet. 24 HR TREND……Up 1 degree.
Min humidity……..20 to 25 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..
SLOPES………..Winds southeast 6 to 8 mph.
RIDGETOP………Variable 2 to 4 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..24 to 34 above 6000 feet to 33 to 41 below 6000 feet. 24 HR TREND……Up 1 degree.
Max humidity…30 to 40 percent on desert slopes to 40 to 50 percent on coastal slopes. 24 HR TREND..Down 5 percent.
WIND (20 FT)……..
SLOPES………..Downslope 1 to 3 mph.
RIDGETOP………Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..45 to 55 above 6000 feet to 53 to 62 below 6000 feet. 24 HR TREND……Up 4 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Little change.
WIND (20 FT)……..
SLOPES………..Upslope 2 to 4 mph becoming west around 6 mph in the afternoon.
RIDGETOP………Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

*LAKE ARROWHEAD SCHOOL- AREA:
Thursday
Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 33. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 33. Northeast wind around 5 mph.

*BIG BEAR SCHOOL AREA:
Thursday
Sunny, with a high near 50. Southeast wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 21. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 51. West wind around 5 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 22. Northeast wind around 5 mph becoming calm

BANNING PASS (CAZ265):
.TODAY… Sky/weather………Mostly sunny.
Max temperature…..Around 61. 24 HR TREND……Down 3 degrees.
Min humidity……..15 to 20 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..42 to 50. 24 HR TREND……Up 1 degree.
Max humidity……..35 to 45 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..69 to 74. 24 HR TREND……Up 5 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.

JOSHUA TREE AREA (CAZ230):
TODAY… * Sky/weather…………………Sunny.
* Max Temperature……………..55-67. * 24 hr trend………………Little change.
* Min Humidity………………..16-24 pct. * 24 hr trend………………4 pct wetter.
* Winds – 20 foot…Slope/Valley..Light and variable in the morning becoming southeast 5 to 10 mph in the afternoon.
* Winds…10000 FT MSL…………Light and variable.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………4 low potential for large plume dominated fire growth.

.TONIGHT… * Sky/weather…………………Mostly clear.
* Min Temperature……………..37-44. * 24 hr trend………………Little change.
* Max Humidity………………..35-44 pct. * 24 hr trend………………6 pct drier.
* Winds – 20 foot…Slope/Valley..South 5 to 10 mph in the evening becoming mostly downslope/downvalley after midnight.
* Winds…10000 FT MSL…………Southwest 5 to 15 mph.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.FRIDAY… * Sky/weather…………………Mostly sunny.
* Max Temperature……………..58-71. * 24 hr trend………………3 degrees warmer.
* Min Humidity………………..14-21 pct. * 24 hr trend………………3 pct drier.
* Winds – 20 foot…Slope/Valley..Light and variable in the morning becoming southeast 5 to 10 mph in the afternoon.
* Winds…10000 FT MSL…………Light and variable in the morning becoming west 5 to 15 mph in the afternoon.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………4 low potential for large plume dominated fire growth.

NEEDLES, RIVER BAT. (CAZ229):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….67-72. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….11-21 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….North around 10 mph in the morning becoming light and variable.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.
* Mixing height…….4000 ft agl. * Transport winds…..Light winds. * Ventilation………Fair.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….37-42. * 24 hr trend…..Little change.
* Max humidity: * Valley floor….40-45 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….South up to 10 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

.FRIDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….69-74. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….11-20 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.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.
* Mixing height…….5100 ft agl. * Transport winds…..Light winds. * Ventilation………Fair.

STATELINE – CLARK COUNTY BORDER (NVZ465):
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….60-65. * 24 hr trend…..Little change.
* Min humidity: * 4000 feet…….14-20 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….North around 10 mph in the morning becoming light and variable.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.
* Mixing height…….2900 ft agl. * Transport winds…..Light winds. * Ventilation………Marginal.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * 4000 feet…….32-37. * 24 hr trend…..Little change.
* Max humidity: * 4000 feet…….44-49 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….South up to 10 mph increasing to southwest after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

.FRIDAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….62-67. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * 4000 feet…….15-20 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….Southwest 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.
* Mixing height…….4100 ft agl. * Transport winds…..Light winds. * Ventilation………Marginal.

*La Jolla CA
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 50. Calm wind.
Friday
Patchy fog before 10am, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 61. Northwest wind 5 to 10 mph.
Friday Night
Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 49. North wind around 5 mph.

*Poway CA
Thursday
Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45. Calm wind

*CEDAR CITY Ut.
Thursday
Sunny, with a high near 51. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 25. South wind 3 to 6 mph.
Friday
Sunny, with a high near 55. South southwest wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 29. South wind 6 to 9 mph.

*************************** L.A COUNTY ********************************
MODERATE TO STRONG AND DRY OFFSHORE FLOW POSSIBLE NEXT MONDAY THROUGH THURSDAY
LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ548):
.THURSDAY… Sky/weather………Sunny except areas of morning low clouds and fog.
Max temperature…..64-72. 24 hr trend……Little change.
Min humidity……..55-65 percent beaches to 25-45 percent inland. 24 hr trend……Down 5.
20-foot winds…….Variable 3-6 mph becoming southwest 6-12 mph in the afternoon.
Marine layer……..1000 ft asl. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Clear except patchy low clouds and fog after midnight.
Min temperature…..42-52.
Max humidity……..80-100 percent except 55-70 percent in the hills.
20-foot winds…….Southwest 6-12 mph early becoming variable 3-6 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Sunny except patchy morning low clouds and fog.
Max temperature…..64-72.
Min humidity……..55-65 percent beaches to 25-45 percent inland.
20-foot winds…….Variable 3-6 mph becoming southwest 6-12 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANGELES NATIONAL FOREST (CAZ254):
.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..59-67 low elevations to 50-57 higher elevations. 24 hr trend……Little change.
Min humidity……..20-35 percent. 24 hr trend……Little change.
20-foot winds…….
Valleys/lwr slopes…East 6-12 mph with gusts to 20 mph.
Ridges/upr slopes….Northeast 6-12 mph with gusts to 20 mph.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..39-49 low elevations to 28-35 colder valleys and peaks.
Max humidity……..40-60 percent except 65-75 percent colder valleys.
20-foot winds…….
Valleys/lwr slopes…East 5-10 mph.
Ridges/upr slopes….South 6-12 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..60-68 low elevations to 51-58 higher elevations.
Min humidity……..20-35 percent.
20-foot winds…….
Valleys/lwr slopes…East 6-12 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon.
Ridges/upr slopes….Southwest 6-12 mph becoming 6-12 mph with gusts to 20 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANTELOPE VALLEY (CAZ259):
.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..58-67. 24 hr trend……Little change.
Min humidity……..15-25 percent. 24 hr trend……Little change.
20-foot winds…….Northeast 6-12 mph.
Marine layer……..None. LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..31-41.
Max humidity……..60-75 percent except 45-55 percent in the hills.
20-foot winds…….East 6-12 mph early in the evening becoming variable 3-6 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..61-69.
Min humidity……..15-25 percent.
20-foot winds…….Variable 3-6 mph becoming southwest 6-12 mph with gusts to 20 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.
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THIS DAY IN WEATHER HISTORY:
2003: A storm off the coast tapped subtropical moisture and pulled it northward over Southern California from 2/11 to 2/14. Rainfall totals included: 10.15 inches at Forest Falls, 9.75 inches in Lytle Creek, 8.47 inches in Lake Arrowhead, 7.60 inches at Santiago Peak, 6.86 inches in Mira Loma, 5.15 inches in Wrightwood, 3.95 inches in Hesperia, 3.87 inches at Lake Elsinore, 3 inches at Lindbergh Field. Local flooding resulted. On this day a man drowned when he attempted wade across the rain-swollen Tijuana River.

2001: A strong winter storm that started on 2/11 and ended on this day brought two to five inches of rain to Orange County and the western Inland Empire. One to two inches fell over the rest of the lowlands. Extensive urban flooding and mud slides resulted. Trees and power lines were knocked down. Over a week of heavy snow that started on 2/6 and ended on 2/14 continued on this day. The snowfall was called “most in a decade.” Five feet fell at Blue Jay and Mountain High Resort, two feet at Snow Summit, and five to 12 inches at Apple Valley. Mountain High reported thirty inches of new snow on this day. The roof of an ice rink caved in at Blue Jay. On this day a thunderstorm wind gust hit 89 mph in eastern Orange and a funnel cloud was observed in Palm Desert.

1997: Strong Santa Ana winds peaked with an 85 mph gust in Fremont Canyon, numerous downed trees and power lines were reported.

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

1980: Six storms hit Southern California beginning on this day. As of 2/21, 12.75 inches of rain measured in LA. 30 were killed in widespread floods and mud slides. Roads and hundreds of homes destroyed or damaged. Post-fire flooding overwhelmed a basin below Harrison Canyon in north San Bernardino four times. Forty homes were damaged or destroyed there. Mission Valley became completely inundated between Friars Rd. and I-8. Large waves hit the coast during this stormy period, causing coastal flooding at Mission Beach, including water over the boardwalk and into houses. This day marked the start of nine consecutive days (the most on record) of measurable precipitation in San Diego, Riverside and Palm Springs which ended on 2/21. This also occurred on 2/26-3/6/1983 and 2/5-2/13/1978 in San Diego and 1/19-1/27/1969 in Riverside. This day also marked the start of ten consecutive days (the most on record) of measurable precipitation in Borrego Springs, which ended on 2/22.

1978: This day was the end of nine consecutive days (the most on record) of measurable precipitation in San Diego which started on 2/5. This also occurred on 2/26-3/6/1983 and 2/13-2/21/1980. Lightning struck numerous power lines, knocking out power for 20,000 San Diegans.

1973: It snowed 12 inches at Palomar Mountain, the greatest daily snowfall on record for February. This also occurred on 2/27/2001 and 2/19/1962.

1971: It was 77° at Palomar Mountain, the highest temperature on record for February. This also occurred on 2/21/1972.

1948: It was 25° in Santa Ana, the lowest temperature on record for February. This also occurred on 2/14/1949.

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

Routine issuance of the Tropical Weather Outlook will resume on May 15, 2020. During the off-season, Special Tropical Weather Outlooks will be issued as conditions warrant.

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CURRENT WEATHER @ HESP. @ 0745 Hrs. TEMP: 400 RH: 66% WIND: CALM
3.21” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 0.00” YTD S/F: 4.50” /
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FIRES: UPDATED

National Preparedness Level (PL 1 )

CDF FIRES TO DATE (STATE LANDS SRA)

Southern California Area (PL 1 )
No Reportable Incidents

Northern California Area (PL 1 )
No Reportable Incidents

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