WEATHER 2/23/20

DAILY FIRE WEATHER & FIRE INFO
ALL UNITS From:
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Date: 2/23/20

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.: 58

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

SYNOP: (NWS SAN DIEGO)
Isolated showers this morning from the coast to the coastal mountain slopes will give way to dry weather this afternoon. Dry weather will continue throughout the week as a ridge builds. Temperatures will warm. Winds will turn offshore this week and be strongest Monday and Tuesday, but still only to about 40 mph below passes and canyons. The next chance of showers could arrive by Sunday, March 1st.

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
A low pressure system will continue to push out of the area this morning. Lingering precipitation across Mohave County will be be primarily Kingman northward through mid-morning. This includes additional higher elevation snow across the Arizona Strip which looks to total between 1 to 3 inches above 6500 feet. Dry weather and decreasing clouds can be expected for the remainder of today. North to northwest winds will remain breezy today and tomorrow at speeds of 10 to 15 mph gusting 20 to 25 mph. Northerly winds will be especially enhanced on Tuesday down the Colorado River Valley with gusts up to 30 to 35 mph possible.

SPECIAL NOTES:

DAILY FUELS/FIRE POTENTIAL:

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

————————————————————————–
APPLE VALLEY / HESPERIA-VICTOR VALLEY (CAZ260):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..Around 61. 24 HR TREND……Up 10 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..Winds west 7 to 13 mph with gusts to 30 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Clear.
Min temperature…..36 to 44. 24 HR TREND……Down 2 degrees.
Max humidity……..65 to 75 percent. 24 HR TREND……Down 30 percent.
WIND (20 FT)……..Winds west 6 to 11 mph with gusts to 20 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.MONDAY… Sky/weather………Mostly sunny.
Max temperature…..68 to 74. 24 HR TREND……Up 1 degree.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds west around 6 mph becoming north 6 to 9 mph with gusts to 20 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

*WRIGHTWOOD:
Today
Sunny, with a high near 53. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 37. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 58. North wind around 5 mph.

*BIG PINES / WEST WRIGHTWOOD AREA
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 52. Wind chill values as low as 20 early. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 35. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 57. Wind chill values as low as 30 early. North wind 5 to 10 mph, with gusts as high as 15 mph.

*PHELAN:
Today
Sunny, with a high near 60. West wind 5 to 10 mph becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 42. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 63. North wind around 5 mph.

TRONA (INDIAN WELLS) (CAZ298):
TODAY… Sky/weather………Sunny.
Max Temperature…..66-71. 24 HR Trend……Up 7-17 degrees.
Min Humidity……..23-33 percent. 24 HR Trend……Down 11-23 percent.
20-Foot Winds…….West 3-7 mph in the early morning increasing to 3-10 mph by afternoon.
LAL……………..1.
Ventilation………Good.
Mixing height…….6300 ft AGL.
Transport Winds…..West around 5 mph.
Chc Wetting Rain….0 percent.

.TONIGHT… Sky/weather………Clear.
Min Temperature…..39-44. 24 HR Trend……Up 1-3 degrees.
Max Humidity……..55-65 percent. 24 HR Trend……Down 13-25 percent.
20-Foot Winds…….West 3-9 mph in the early evening decreasing to 3-6 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.MONDAY… Sky/weather………Sunny.
Max Temperature…..67-72. 24 HR Trend……Up 1-3 degrees.
Min Humidity……..15-24 percent. 24 HR Trend……Down 6-16 percent.
20-Foot Winds…….Northwest 3-5 mph in the early morning shifting to the east by afternoon.
LAL……………..1.
Ventilation………Good.
Mixing height…….5100 ft AGL.
Transport Winds…..North around 5 mph.
Chc Wetting Rain….0 percent.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….72-77. * 24 hr trend…..On average up 7 degrees.
* Min humidity: * Valley floor….14-24 percent. * 24 hr trend…..On average down 12 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Northwest wind 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……..5.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor….39-44. * 24 hr trend…..Little change.
* Max humidity: * Valley floor….55-60 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.
* 10000 ft msl….North 15 to 25 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

.MONDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….73-78. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….9-15 percent. * 24 hr trend…..On average down 7 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind 10 to 15 mph.
* 10000 ft msl….North 15 to 25 mph increasing to northwest 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent.
* LAL……………..1.
* Haines Index……..5.

*BAKER:
Today
Sunny, with a high near 73. Light and variable wind becoming north northwest 6 to 11 mph in the morning.
Tonight
Clear, with a low around 43. Northeast wind 6 to 8 mph becoming south after midnight.
Monday
Sunny, with a high near 76. North northwest wind 6 to 15 mph, with gusts as high as 21 mph.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS (CAZ226):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….65-70. * 7000 feet…….52-57. * 24 hr trend…..On average up 11 degrees.
* Min humidity: *Valley floor….14-22 percent. *7000 feet…..27-37 percent. *24 hr trend…..On average down 20 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northwest winds 10 to 15 mph.
* Upper slopes….Northwest winds 10 to 15 mph. Gusts up to 30 mph in the morning.
* 10000 ft msl….North 15 to 25 mph becoming northwest around 10 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor….33-38. * 7000 feet…….14-19. * 24 hr trend…..On average up 2 degrees.
* Max humidity: * Valley floor….49-54 percent. * 7000 feet….51-56 percent. *24 hr trend…..On average down 41 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northwest winds 10 to 15 mph.
* Upper slopes….Northwest winds 10 to 15 mph.
* 10000 ft msl….North 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..4.

.MONDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….66-71. * 7000 feet…….53-58. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….11-16 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….Northwest winds 10 to 15 mph.
* 10000 ft msl….Northwest 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

KERN CO. DESERTS (CAZ299):
TODAY… Sky/weather………Sunny.
Max Temperature…..64-69. 24 HR Trend……Up 6-12 degrees.
Min Humidity……..44-54 percent. 24 HR Trend……Down 5-11 percent.
20-Foot Winds…….West 3-10 mph in the early morning increasing to 5-16 mph by afternoon.
LAL……………..1.
Ventilation………Good.
Mixing height…….6200 ft AGL.
Transport Winds…..West 10 to 15 mph.
Chc Wetting Rain….0 percent.

.TONIGHT… Sky/weather………Clear.
Min Temperature…..38-43. 24 HR Trend……Little change.
Max Humidity……..70-80 percent. 24 HR Trend……Down 4-10 percent.
20-Foot Winds…….West 3-13 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.MONDAY… Sky/weather………Sunny.
Max Temperature…..66-71. 24 HR Trend……Up 2-4 degrees.
Min Humidity……..34-44 percent. 24 HR Trend……Down 6-16 percent.
20-Foot Winds…….North 3-7 mph.
LAL……………..1.
Ventilation………Good.
Mixing height…….5200 ft AGL.
Transport Winds…..North around 5 mph.
Chc Wetting Rain….0 percent.

INLAND EMPIRE (CAZ248):
TODAY… Sky/weather………Mostly cloudy…becoming mostly sunny. Slight chance of showers in the morning.
Max temperature…..61 to 68. 24 HR TREND……Up 5 degrees.
Min humidity……..45 to 55 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Variable 2 to 5 mph becoming west around 6 mph in the afternoon.
CWR (>0.10 IN)……1 percent. LAL……………..1.

.TONIGHT… Sky/weather………Partly cloudy.
Min temperature…..41 to 47. 24 HR TREND……Down 4 degrees.
Max humidity……..85 to 95 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.MONDAY… Sky/weather………Partly cloudy…becoming sunny.
Max temperature…..71 to 78. 24 HR TREND……Up 12 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Down 30 percent.
WIND (20 FT)……..Variable 2 to 4 mph becoming west 6 to 8 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

*DEVORE:
Today
A slight chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 63. Southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tonight
Clear, with a low around 50. Light northeast wind becoming north 5 to 10 mph after midnight.
Monday
Sunny, with a high near 74. North wind around 15 mph, with gusts as high as 25 mph.

*CHINO HILLS:
Today
Mostly cloudy, then gradually becoming sunny, with a high near 65. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, then gradually becoming sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

*COLTON:
Today
A slight chance of showers before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 78. Light and variable wind becoming north 5 to 10 mph in the afternoon.

SAN BERNARDINO N.F. (CAZ255):
TODAY… Sky/weather………Mostly cloudy…becoming mostly sunny. Slight chance of showers in the morning.
Max temperature…..46 to 56 above 6000 feet to 52 to 62 below 6000 feet. 24 HR TREND……Up 7 degrees.
Min humidity……..25 to 35 percent on desert slopes to 30 to 40 percent on coastal slopes. 24 HR TREND……Down 35 percent.
WIND (20 FT)……..
SLOPES………..Winds west 6 to 13 mph with gusts to 30 mph.
RIDGETOP………Winds northwest 9 to 19 mph. Gusts to 35 mph…becoming 25 mph in the afternoon.
CWR (>0.10 IN)……1 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..26 to 36 above 6000 feet to 36 to 45 below 6000 feet. 24 HR TREND……Up 1 degree.
Max humidity……..35 to 45 percent on desert slopes to 70 to 80 percent on coastal slopes. 24 HR TREND……Down 65 percent.
WIND (20 FT)……..
SLOPES………..Winds west 6 to 9 mph becoming north after midnight. Gusts to 20 mph.
RIDGETOP………Winds north 6 to 11 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.MONDAY…
Sky/weather………Sunny.
Max temperature…..51 to 61 above 6000 feet to 58 to 68 below 6000 feet. 24 HR TREND……Up 7 degrees.
Min humidity….15 to 20 percent on desert slopes to 20 to 25 percent on coastal slopes. 24 HR TREND….Down 10 percent.
WIND (20 FT)……..
SLOPES………..Winds north 6 to 11 mph with gusts to 25 mph.
RIDGETOP………Winds north 6 to 12 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

*LAKE ARROWHEAD SCHOOL- AREA:
Today
Partly sunny, then gradually becoming sunny, with a high near 51. South wind around 5 mph becoming calm.
Tonight
Clear, with a low around 37. North wind around 5 mph.
Monday
Sunny, with a high near 58. North wind 10 to 15 mph, with gusts as high as 20 mph.

*BIG BEAR SCHOOL AREA:
Today
Partly sunny, then gradually becoming sunny, with a high near 51. Southwest wind 5 to 10 mph becoming northwest in the morning.
Tonight
Clear, with a low around 29. Calm wind becoming east around 5 mph after midnight.
Monday
Sunny, with a high near 56. North wind around 10 mph.

BANNING PASS (CAZ265):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..74 to 79. 24 HR TREND……Up 7 degrees.
Min humidity……..25 to 30 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds northwest 7 to 17 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..48 to 56. 24 HR TREND……Up 4 degrees.
Max humidity……..45 to 55 percent. 24 HR TREND……Down 40 percent.
WIND (20 FT)……..Winds northwest 6 to 12 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.MONDAY… Sky/weather………Sunny.
Max temperature…..79 to 84. 24 HR TREND……Up 5 degrees.
Min humidity……..10 to 15 percent. 24 HR TREND……Down 20 percent.
WIND (20 FT)……..Variable 2 to 4 mph becoming north around 6 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ230):
TODAY… * Sky/weather…………………Sunny.
* Max Temperature……………..61-74. * 24 hr trend………………8 degrees warmer.
* Min Humidity………………..18-28 pct. * 24 hr trend………………15 pct drier.
* Winds – 20 foot…Slope/Valley..Northwest 5 to 15 mph.
* Winds…10000 FT MSL…………North 30 to 40 mph in the morning becoming 20 to 30 mph in the afternoon.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………5 moderate potential for large plume dominated fire growth.

.TONIGHT… * Sky/weather…………………Clear.
* Min Temperature……………..41-50. * 24 hr trend………………3 degrees warmer.
* Max Humidity………………..39-51 pct. * 24 hr trend………………34 pct drier.
* Winds – 20 foot…Slope/Valley..Northwest 5 to 15 mph.
* Winds…10000 FT MSL…………North 15 to 25 mph.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.MONDAY… * Sky/weather…………………Sunny.
* Max Temperature……………..65-77. * 24 hr trend………………3 degrees warmer.
* Min Humidity………………..11-16 pct. * 24 hr trend………………9 pct drier.
* Winds – 20 foot…Slope/Valley..North 5 to 15 mph.
* Winds…10000 FT MSL…………North 15 to 25 mph.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………5 moderate potential for large plume dominated fire growth.

NEEDLES, RIVER BAT. (CAZ229):
TODAY… * Sky/Weather………Mostly sunny. Scattered showers in the morning.
* Max temperature: * Valley floor….70-75. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….25-35 percent. * 24 hr trend…..On average down 6 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph becoming north around 10 mph in the afternoon.
* 10000 ft msl….North 35 to 45 mph decreasing to 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.
* Mixing height…….4100 ft agl.
* Transport winds…..Light winds becoming north around 10 knots in the afternoon.
* Ventilation………Fair.

.TONIGHT… * Sky/Weather………Clear.
* Min temperature: * Valley floor….43-48. * 24 hr trend…..Little change.
* Max humidity: * Valley floor….58-63 percent. * 24 hr trend…..On average down 28 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….East wind up to 10 mph shifting to the north after midnight.
* 10000 ft msl….Northwest 20 to 30 mph increasing to north 25 to 35 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

.MONDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….74-79. * 24 hr trend…..On average up 4 degrees.
* Min humidity: * Valley floor….14-24 percent. * 24 hr trend…..On average down 11 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind up to 10 mph increasing to 10 to 15 mph in the afternoon. Gusts up to 30 mph.
* 10000 ft msl….North 25 to 35 mph increasing to northwest 30 to 40 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.
* Mixing height…….5500 ft agl.
* Transport winds…..North 10 to 15 knots.
* Ventilation………Very good.

STATELINE – CLARK COUNTY BORDER (NVZ465):
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * 4000 feet…….64-69. * 24 hr trend…..On average up 6 degrees.
* Min humidity: * 4000 feet…….22-32 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.
* 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……..5.
* Mixing height…….3900 ft agl.
* Transport winds…..Light winds.
* Ventilation………Marginal.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * 4000 feet…….36-41. * 24 hr trend…..Little change.
* Max humidity: * 4000 feet…….57-62 percent. * 24 hr trend…..On average down 35 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Northwest winds 10 to 15 mph.
* 10000 ft msl….Northwest 25 to 35 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.

.MONDAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….66-71. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * 4000 feet…….13-21 percent. * 24 hr trend…..On average down 10 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….North winds 10 to 15 mph.
* 10000 ft msl….Northwest 25 to 35 mph decreasing to 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1. * Haines Index……..5.
* Mixing height…….6400 ft agl.
* Transport winds…..Light winds becoming north around 10 knots in the afternoon.
* Ventilation………Good.

*La Jolla CA
Today
A slight chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 59. West wind around 5 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. Northwest wind 5 to 10 mph.

*Poway CA
Today
A slight chance of showers before 10am. Partly sunny, with a high near 65. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

*CEDAR CITY Ut.
Today and Tonight

Occasional winter driving conditions can be expected through the
morning across southern and eastern Utah.

.DAYS TWO THROUGH SEVEN…Monday through Saturday

Light mountain snow can be expected across northern Utah Monday
morning into early Tuesday. Occasional winter driving conditions
can be expected across mountain routes in the area.

WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING

Today
A 40 percent chance of snow showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 43. North northeast wind 8 to 13 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Clear, with a low around 28. Calm wind becoming east southeast 5 to 7 mph after midnight.
Monday
Sunny, with a high near 43. Calm wind becoming north 5 to 8 mph in the afternoon.

*************************** L.A COUNTY ********************************
LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ548):
Today
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 46. Southwest wind around 5 mph becoming calm after midnight.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 75. Northeast wind around 5 mph becoming southwest in the afternoon.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
Today
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 47. East wind around 5 mph.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. South wind around 5 mph.

SANTA CLARITA VALLEY:
Today
Cloudy through mid morning, then gradual clearing, with a high near 69. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 46. Northwest wind around 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 77. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
Today
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 60. North wind 5 to 10 mph becoming south in the morning.
Tonight
Mostly clear, with a low around 46. East wind around 5 mph.
Monday
Sunny, with a high near 68. North northeast wind 5 to 10 mph becoming west northwest in the afternoon.

ANGELES NATIONAL FOREST (CAZ254):
Today
Cloudy through mid morning, then gradual clearing, with a high near 59. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 43. West wind 5 to 10 mph becoming east northeast after midnight.
Monday
Sunny, with a high near 65. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

ANTELOPE VALLEY (CAZ259):
Today
Sunny, with a high near 69. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 35. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 73. Wind chill values as low as 30 early. Southwest wind 5 to 10 mph becoming north northeast in the afternoon.

============================================================
THIS DAY IN WEATHER HISTORY:
2005: This day was the last in a stretch of five days with very heavy rainfall. Rainfall totals for the five day period reached three to six inches at the coast and up to 18 inches in the mountains. Dairy farms in the Inland Empire suffered greatly during the storm, with losses exceeding $38 million. In the San Bernardino National Forest 1,300 miles of back roads were damaged beyond use.

2000: Heavy rain that started on 2/21 and ended on this day caused lots of flooding and mud slides. Roads were washed out in Hemet. 18 inches of snow fell in Forest Falls. Winds gusted to 75 mph along Highway 91. Trees were felled at Lake Arrowhead.

1998: El Niño continued. Another storm that hit Southern California on this day and ended on 2/24 brought two to five inches of rainfall. Two died and two were injured. The storm caused $100 million estimated damage, power outages, catastrophic and widespread flooding, damage to hundreds of homes, numerous evacuations and swift water rescues, landslides, mud slides, and sink holes, damage to roads, bridges, and railroads, and loss of livestock and This funnel cloud over Brown Field got in the newspaper on this day in 1971. crops. Strong and widespread storm winds blew 40 to 60 mph, knocking down trees and power lines. High surf combined with high tides caused coastal damage and several homes were destroyed in San Diego County.

1997: Heavy rain that started on this day and ended on 2/24 caused widespread flooding in coastal cities and the Inland Empire. Homes were stranded in De Luz. Cliff erosion occurred in Del Mar and Solana Beach. One to two feet of snow fell at 6000 feet and three to four feet of snow above 7000 feet. Trees and power lines were downed.

1987: Heavy snow that started on 2/22 and ended on 2/24 brought the following snowfall totals: 22 inches at Cuyamaca, 12 to 17 inches in the San Bernardino Mountains (17 inches at Big Bear Lake), 12 inches at Julian, six inches in Pine Valley, three inches at Lake Morena. Four inches fell in one hour at Lake Hughes. Snow pellets piled up in coastal areas with two to three inches at Huntington Beach, and measurable sleet and hail at the San Diego Bay front. Schools and roads were closed in mountain areas. An aircraft accident in a snow squall near Anza killed four. Tornadoes and waterspouts were reported in the Huntington Beach area. Cold air arrived on 2/22 and dropped low temperatures below 40° at San Diego for three consecutive days, the coldest stretch since 1978.

1973: A tornado touched down near San Diego.

1971: A funnel cloud developed over eastern Chula Vista. 1969: Heavy snow in the mountains that began on 2/20 and ended on 2/25 brought snow depths approaching the greatest depths on record. Strong storm winds caused outages of telephone service, power, and gas. Five to 15 inches of rain hit the lowlands from 2/22 to 2/25. Heavy rain starting on 2/16 ended on 2/26. Up to 30 inches of precipitation fell on the south slopes of Mt. San Gorgonio, 13 inches was recorded northwest of Mt. San Jacinto, around ten inches at Banning, less than one inch in eastern Coachella Valley. The death and destruction continued from the previous month. 21 died from flooding and mud slides all over California. An entire family was killed in Mt. Baldy Village when a mud slide hit their home. Extensive damage hit crops, farmland and livestock. Creeks around Yucaipa all left their banks and substantial flooding occurred to residences and businesses. In the upper desert farmlands became lakes and more than 100 homes along the Mojave River were damaged. Roads and bridges recently repaired from previous month’s damage either washed out or were destroyed again.

1944: 33 inches of snow fell on 2/22 and on this day in Idyllwild, the greatest snowfall amount on record.

1943: Heavy rainstorms hit the San Bernardino Mountains and Inland Empire starting on 2/21 until 2/24. For the stormy period Lake Arrowhead received 13.36 inches and Perris 4.87 inches. Damage was light because of recent work done on flood channels.

1891: A prolonged storm dropped 33 inches of rain in Descanso within a 60 hour period from 2/19 to this day. 2.56 inches fell in San Diego. On this day 4.53 inches of rain fell in San Bernardino. There were heavy damages and losses to homes, land, livestock, transportation and power throughout the Tijuana and San Diego River Basins. San Bernardino and Riverside became isolated as all railroad and highway bridges were out for two to three weeks. Lake Elsinore overflowed.

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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. @ 0655 Hrs. TEMP: 430 RH: 90% WIND: CALM
3.21” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 0.67” YTD S/F: 4.50” /
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FIRES: UPDATED

National Preparedness Level (PL 1 )

CDF FIRES TO DATE (STATE LANDS SRA)
Number of Fires and Acres:
Interval Fires Acres
January 1, 2020 through February 16, 2020 207 76
January 1, 2019 through February 16, 2019 81 77
5-Year Average (same interval) 204 1,501
2020 Combined YTD (CALFIRE & US Forest Service) 233 157

Southern California Area (PL 1 )
No Reportable Incidents

Northern California Area (PL 1 )
No Reportable Incidents

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