WEATHER 2/7/19

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: 2/07/19

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:
Dry through Friday with slowly warmer days. A low pressure system to the north will bring a chance for mostly light precipitation for late Friday night and Saturday with another chance for mostly light precipitation Sunday night. Dry weather will follow for Monday and Tuesday with warming on Tuesday. More precipitation could return late Wednesday and Thursday.
Confidence Level: Moderate

Frost/Freeze Conditions
Impacts
Cold weather concerns for pets and livestock
Damage to crops and gardens
Human health concerns for homeless and those affected by illness

Details & Locations Coast and Valleys (away from the immediate coast)
Frost Advisories and Freeze Warnings have been issued
Timing: Tonight through Thursday morning

Upcoming Chances For Light Precipitation

Impacts Mainly light precipitation is expected
Urban driving impacts
Details & Locations All areas but higher chances over the mountains and lower chances over the
deserts
Timing Late Friday night through Saturday
Sunday night through Monday
Potential For More Widespread Precipitation
Impacts
Heavier precip. chances going up Wednesday or Thursday next week (better
chance Thursday)
These wetter storms could have the potential for impacts to burn scars and
flooding potential
Details & Locations All Areas, especially over the coastal slopes
Timing
Chances for widespread precipitation go up mid next week, could begin
Wednesday or Thursday
Potential for several days of significant precipitation
Low confidence at this time, stay tuned to updated forecasts

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
A few northerly breezes expected today but a trend towards lighter winds with continued cold can be anticipated through Friday. Moderating temperatures likely over the weekend with increasing shower activity in the Sierra and Southern Great Basin. Unsettled weather will likely continue next week.

SPECIAL NOTES:

DAILY FUELS/FIRE POTENTIAL:

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

NO RATING: Sundowner winds are either not expected, or will not contribute to significant fire activity.

MARGINAL: Upon ignition, fires may grow rapidly.

MODERATE: Upon ignition, fires will grow rapidly and will be difficult to control.

HIGH: Upon ignition, fires will grow very rapidly, will burn intensely, and will be very difficult to control

EXTREME: Upon ignition, fires will have extreme growth, will burn very intensely, and will be uncontrollable.

Zones JAN. 7 JAN. 8 JAN. 9 JAN. 10 JAN. 11 JAN. 12

Zone 1:
LA-Ventura NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE

Zone 2:
Orange-Inland Empire NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE

Zone 3:
San Diego NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE

Zone 4:
Santa Barbara NO RATE NO RATE NO RATE NO RATE NO RATE NO RATE

———————————————————————-
APPLE VALLEY / HESPERIA-VICTOR VALLEY (CAZ260):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..44 to 49. 24 HR TREND……Up 5 degrees.
Min humidity……..30 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Winds east 6 to 9 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..24 to 29. 24 HR TREND……Up 3 degrees.
Max humidity……..60 to 70 percent. 24 HR TREND……Down 25 percent.
WIND (20 FT)……..Winds east6 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..49 to 54. 24 HR TREND……Up 4 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Down 10 percent.
WIND (20 FT)……..Winds east 6 to 8 mph becoming south 6 to 10 mph with gusts to 20 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

WRIGHTWOOD:
Thursday
Sunny, with a high near 32. East wind around 5 mph.
Thursday Night
Mostly clear, with a low around 23. Southwest wind around 5 mph.
Friday
Sunny, with a high near 39. South wind 5 to 10 mph.
Friday Night
A slight chance of snow showers after 10pm. Partly cloudy, with a low around 28. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

BIG PINES / WEST WRIGHTWOOD AREA
Thursday
Sunny, with a high near 34. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 27. Calm wind becoming south southeast around 5 mph in the evening.
Friday
Sunny, with a high near 39. South wind 5 to 10 mph.
Friday Night
A 30 percent chance of snow after 10pm. Partly cloudy, with a low around 29. Southwest wind around 10 mph. New snow accumulation of less than a half inch possible.

PHELAN:
Thursday
Sunny, with a high near 41. South wind around 5 mph becoming east in the morning.
Thursday Night
Mostly clear, with a low around 27. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 45. Calm wind becoming east around 5 mph in the morning.
Friday Night
A slight chance of snow showers after 10pm. Partly cloudy, with a low around 32. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%

TRONA:
Thursday
Sunny, with a high near 52. Light east southeast wind.
Thursday Night
Mostly clear, with a low around 30. Calm wind.
Friday
Sunny, with a high near 55. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 35. Southwest wind around 9 mph.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….52-57. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….16-26 percent. * 24 hr trend…..On average down 3 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….East wind up to 10 mph.
* 10000 ft msl….Northwest 15 to 25 mph becoming west around 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….26-31. * 24 hr trend…..On average up 2 degrees.
* Max humidity: * Valley floor….46-51 percent. * 24 hr trend…..On average down 12 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….Southwest 10 to 15 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.FRIDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….54-59. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….15-25 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph becoming south up to 10 mph in the afternoon.
* 10000 ft msl….West 15 to 25 mph increasing to southwest 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

BAKER:
Thursday
Sunny, with a high near 55. Light north northwest wind.
Thursday Night
Mostly clear, with a low around 27. Light north northeast wind.
Friday
Sunny, with a high near 59. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 29. South southeast wind 3 to 6 mph.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….43-48. * 7000 feet…….28-33. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….27-35 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. Gusts up to 20 mph in the afternoon.
* Upper slopes….Upslope/upvalley 4 to 8 mph becoming southwest up to 10 mph in the afternoon. Gusts up to 30 mph.
* 10000 ft msl….Northwest around 10 mph shifting to the southwest in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor…19-24. * 7000 feet…3 below to 2 above zero. * 24 hr trend…On average up 2 degrees.
* Max humidity: * Valley floor…55-60 percent. *7000 feet…56-61 percent. *24 hr trend…..On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph.
* Upper slopes….West winds 10 to 15 mph.
* 10000 ft msl….Southwest up to 10 mph increasing to 10 to 15 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.FRIDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….45-50. * 7000 feet…….32-37. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….24-34 percent. * 7000 feet…….33-43 percent. * 24 hr trend…..On average up 2 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. Gusts up to 30 mph.
* Upper slopes….Southwest winds 10 to 15 mph with gusts to around 40 mph.
* 10000 ft msl….Southwest 10 to 15 mph increasing to 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

INLAND EMPIRE (CAZ248):
.TODAY… Sky/weather………Mostly sunny. Areas of frost in the morning.
Max temperature…..51 to 60. 24 HR TREND……Up 4 degrees.
Min humidity……..25 to 30 percent. 24 HR TREND……Down 5 percent.
WIND (20 FT)……..Winds east 6 to 11 mph with gusts to 25 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear. Patchy frost after midnight.
Min temperature…..32 to 39. 24 HR TREND……Up 4 degrees.
Max humidity……..50 to 60 percent. 24 HR TREND……Down 40 percent.
WIND (20 FT)……..Winds east 6 to 11 mph with gusts to 20 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny. Patchy frost in the morning.
Max temperature…..54 to 62. 24 HR TREND……Up 2 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds east around 6 mph becoming southwest in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

DEVORE:
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 54. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 36. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 56. North wind 10 to 15 mph becoming light and variable. Winds could gust as high as 30 mph.
Friday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.

CHINO HILLS:
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 57. East wind 5 to 10 mph becoming light southeast in the afternoon.
Thursday Night
Mostly clear, with a low around 38. East wind 5 to 10 mph.
Friday
Sunny, with a high near 57. East wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Friday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

COLTON:
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 58. Calm wind.
Thursday Night
Mostly clear, with a low around 40. Southeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
TODAY… Sky/weather………Mostly sunny.
Max temperature…..29 to 37 above 6000 feet to 34 to 41 below 6000 feet. 24 HR TREND……Down 2 degrees.
Min humidity……..20 to 30 percent. 24 HR TREND……Down 20 percent.
WIND (20 FT)……..
SLOPES………..Winds east 6 to 12 mph with gusts to 25 mph.
RIDGETOP………Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..9 to 19 above 6000 feet to 19 to 29 below 6000 feet. 24 HR TREND……Up 6 degrees.
Max humidity……..45 to 55 percent on desert slopes to 50 to 60 percent on coastal slopes.
24 HR TREND……Down 40 percent.
WIND (20 FT)……..
SLOPES………..Winds east 6 to 10 mph. Gusts to 20 mph in the evening.
RIDGETOP………Variable 2 to 5 mph becoming west 6 to 8 mph after midnight.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..35 to 43 above 6000 feet to 44 to 53 below 6000 feet. 24 HR TREND……Up 4 degrees.
Min humidity……..15 to 25 percent on desert slopes to 20 to 30 percent on coastal slopes.
24 HR TREND……Down 10 percent.
WIND (20 FT)……..
SLOPES………..Winds east 6 to 9 mph becoming south 6 to 12 mph in the afternoon. Gusts to 25 mph.
RIDGETOP………Winds southwest 9 to 19 mph. Gusts to 25 mph…becoming 35 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
Thursday
Sunny, with a high near 39. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly clear, with a low around 24. Southeast wind around 5 mph.
Friday
Sunny, with a high near 43. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of snow showers after 10pm. Mostly cloudy, with a low around 28. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

BIG BEAR SCHOOL AREA:
Thursday
Sunny, with a high near 32. Southeast wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 17. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 24. Southwest wind 15 to 20 mph, with gusts as high as 35 mph.

BANNING PASS:
TODAY… Sky/weather………Mostly sunny. Patchy frost in the morning.
Max temperature…..58 to 63. 24 HR TREND……Down 5 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Winds south around 6 mph in the morning becoming variable 2 to 5 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..35 to 40. 24 HR TREND……Up 2 degrees.
Max humidity……..40 to 50 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..Variable 1 to 3 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.FRIDAY… Sky/weather………Sunny.
Max temperature…..59 to 64. 24 HR TREND……Up 2 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 (CAZ261):
.TODAY… * Sky/weather…………………Sunny.
* Max Temperature……………..42-54. * 24 hr trend………………Little change.
* Min Humidity………………..19-33 pct. * 24 hr trend………………Little change.
* Winds – 20 foot…Slope/Valley..North 5 to 10 mph in the morning becoming east in the afternoon.
* Winds…10000 FT MSL…………West 10 to 15 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…………………Clear.
* Min Temperature……………..27-34. * 24 hr trend………………3 degrees warmer.
* Max Humidity………………..40-53 pct. * 24 hr trend………………13 pct drier.
* Winds – 20 foot…Slope/Valley..East 5 to 10 mph in the evening becoming mostly downslope/downvalley after midnight.
* Winds…10000 FT MSL…………West 10 to 20 mph.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.

.FRIDAY… * Sky/weather…………………Sunny.
* Max Temperature……………..46-57. * 24 hr trend………………4 degrees warmer.
* Min Humidity………………..18-28 pct. * 24 hr trend………………Little RH change.
* Winds – 20 foot…Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon.
* Winds…10000 FT MSL…………Southwest 10 to 20 mph in the morning becoming 25 to 35 mph in the afternoon.
* Chance of Precip…………….0 percent. * CWR (>= 0.10 IN)…………….0 percent. * LAL………………………..1.
* Haines High Level Index………5 or moderate potential for large plume dominated fire growth.

NEEDLES, RIVER BAT. (CAZ229):
TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….54-59. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * Valley floor….15-25 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind up to 10 mph.
* 10000 ft msl….Northwest 25 to 30 mph decreasing to 10 to 15 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….6200 ft agl.
* Transport winds…..North around 10 knots.
* Ventilation………Good.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * Valley floor….29-34. * 24 hr trend…..Little change.
* Max humidity: * Valley floor….48-53 percent. * 24 hr trend…..Little change.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….North wind up to 10 mph.
* 10000 ft msl….Southwest up to 10 mph increasing to 15 to 20 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.FRIDAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….57-62. * 24 hr trend…..On average up 3 degrees.
* Min humidity: * Valley floor….17-27 percent. * 24 hr trend…..On average up 2 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph.
* 10000 ft msl….Southwest 15 to 20 mph increasing to 20 to 25 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.
* Mixing height…….5300 ft agl.
* Transport winds…..North around 10 knots shifting to the south in the afternoon.
* Ventilation………Good.

STATELINE – CLARK COUNTY BORDER:
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….46-51. * 24 hr trend…..On average up 2 degrees.
* Min humidity: * 4000 feet…….19-28 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….Northwest 20 to 30 mph decreasing to 10 to 15 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.
* Mixing height…….5300 ft agl.
* Transport winds…..Light winds.
* Ventilation………Fair.

.TONIGHT… * Sky/Weather………Mostly clear.
* Min temperature: * 4000 feet…….24-29. * 24 hr trend…..Little change.
* Max humidity: * 4000 feet…….50-55 percent. * 24 hr trend…..On average down 2 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….Southwest up to 10 mph increasing to south 15 to 20 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

.FRIDAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….50-55. * 24 hr trend…..On average up 4 degrees.
* Min humidity: * 4000 feet…….20-28 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Upslope/upvalley 4 to 8 mph becoming southeast up to 10 mph in the afternoon.
* 10000 ft msl….Southwest 15 to 20 mph increasing 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………Fair.

*************************** OUT OF COUNTY ********************************
GUSTY NORTH TO NORTHEAST WINDS THROUGH THURSDAY NIGHT…

…SHOWERS POSSIBLE SATURDAY THROUGH MONDAY

LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
THURSDAY… Sky/weather………Mostly sunny. Patchy frost in the morning.
Max temperature…..55-62. 24 hr trend……Up 3-5.
Min humidity……..25-35 percent. 24 hr trend……Down 5.
20-foot winds…….Variable 3-6 mph becoming southwest to west 8-15 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..36-42.
Max humidity……..45-65 percent.
20-foot winds…….Southwest to west 8-15 mph in the evening becoming variable 3-6 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..58-63.
Min humidity……..25-35 percent.
20-foot winds…….Variable 3-6 mph becoming southwest to west 8-15 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..53-60. 24 hr trend……Up 3-5.
Min humidity……..25-35 percent. 24 hr trend……Little change.
20-foot winds…….Below passes and canyons, north to northeast 10-20 mph with gusts to 30 mph, decreasing to 5-10 mph in the afternoon. Otherwise, north 5-10 mph becoming variable 5-10 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..36-40.
Max humidity……..40-60 percent.
20-foot winds…….North to Northwest 5-15 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..56-60.
Min humidity……..25-35 percent.
20-foot winds…….North to northeast 5-15 mph becoming southeast to southwest 6-12 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

SANTA CLARITA VALLEY:
.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..51-56. 24 hr trend……Up 3-5.
Min humidity……..25-35 percent. 24 hr trend……Down 5.
20-foot winds…….North to northeast 15-25 mph with gusts to 35 mph decreasing to 5-15 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..33-37.
Max humidity……..50-65 percent.
20-foot winds…….North to northeast 5-15 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..55-59.
Min humidity……..25-35 percent.
20-foot winds…….North to northeast 5-15 mph becoming south to southwest 8-15 mph with local gusts to 25 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
.THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..51-59. 24 hr trend……Up 3.
Min humidity……..25-40 percent. 24 hr trend……Little change.
20-foot winds…….
Valleys/lwr slopes…North to northeast 10-20 mph with gusts to 25 mph.
Ridges/upr slopes….Northeast 10-20 mph with gusts to 25 mph. Isolated gusts to 40 mph western peaks.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..38-46.
Max humidity……..45-60 percent.
20-foot winds…….
Valleys/lwr slopes…North to northeast 5-15 mph.
Ridges/upr slopes….Northeast to east 5-15 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..50-60.
Min humidity……..30-40 percent except 40-50 percent coastal slopes and higher peaks.
20-foot winds…….
Valleys/lwr slopes…North to northeast 5-15 mph becoming south to southwest 8-15 mph with gusts to 25 mph in the afternoon.
Ridges/upr slopes….East 6-12 mph becoming southwest 8-15 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANGELES NATIONAL FOREST (CAZ253):
THURSDAY… Sky/weather………Mostly sunny.
Max temperature…..43-53 low elevations to 34-43 higher elevations. 24 hr trend……Up 3-5.
Min humidity……..25-45 percent. 24 hr trend……Down 5-10.
20-foot winds…….
Valleys/lwr slopes…North to northeast 15-25 mph with gusts to 35 mph decreasing to 10-20 mph in the afternoon.
Ridges/upr slopes….North to northeast 15-25 mph with gusts to 35 mph.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear.
Min temperature…..32-39 low elevations to 23-32 colder valleys and peaks.
Max humidity……..40-55 percent.
20-foot winds…….
Valleys/lwr slopes…Northeast 5-15 mph with local gusts to 25 mph.
Ridges/upr slopes….Northeast to east 10-20 mph.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..47-55 low elevations to 38-47 higher elevations.
Min humidity……..25-40 percent.
20-foot winds…….
Valleys/lwr slopes…Northeast 5-15 mph with local gusts to 25 mph becoming upvalley in the afternoon.
Ridges/upr slopes….East 10-20 mph becoming south to southwest in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

ANTELOPE VALLEY (CAZ259):
.THURSDAY… Sky/weather………Mostly sunny. Areas of frost in the morning.
Max temperature…..41-50. 24 hr trend……Up 3-5.
Min humidity……..25-35 percent. 24 hr trend……Down 10-15.
20-foot winds…….Northeast 6-12 mph with local gusts to 20 mph.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear. Areas of frost after midnight.
Min temperature…..24-31.
Max humidity……..60-75 percent except 45-60 percent in the hills.
20-foot winds…….Northeast to east 6-12 mph with local gusts to 20 mph becoming variable 5-10 mph after midnight.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY… Sky/weather………Mostly sunny. Areas of frost in the morning.
Max temperature…..46-52.
Min humidity……..25-35 percent.
20-foot winds…….Variable 4-8 mph becoming southwest 8-15 mph with local gusts to 25 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……0 percent.

KERN CO. DESERTS (CAZ298):
.DISCUSSION…
Cold dry air mass will dominate the region through this Friday. A series of storms will bring valley rain and mountain snow
this weekend. More unsettled weather looks possible into next week

.THURSDAY… Sky/weather………Sunny.
Max Temperature…..43-48. 24 HR Trend……Up 2-4 degrees.
Min Humidity……..32-42 percent. 24 HR Trend……Down 5-11 percent.
20-Foot Winds…….East 3-7 mph.
LAL……………..1.
Ventilation………Fair.
Mixing height…….4700 ft AGL.
Transport Winds…..East 5 to 10 mph.
Chc Wetting Rain….0 percent.

.THURSDAY NIGHT… Sky/weather………Mostly clear. Areas of frost.
Min Temperature…..28-33. 24 HR Trend……Little change.
Max Humidity……..67-77 percent. 24 HR Trend……Down 4-10 percent.
20-Foot Winds…….North 3-6 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.FRIDAY… Sky/weather………Sunny. Areas of frost in the morning.
Max Temperature…..47-52. 24 HR Trend……Up 3-5 degrees.
Min Humidity……..31-41 percent. 24 HR Trend……Little change.
20-Foot Winds…….Northeast 3-5 mph in the early morning shifting to the south 3-6 mph by afternoon.
LAL……………..1.
Ventilation………Good.
Mixing height…….3600 ft AGL.
Transport Winds…..South around 5 mph in the morning increasing to southwest around 15 mph in the afternoon.
Chc Wetting Rain….0 percent.

La Jolla CA
Thursday
Sunny, with a high near 58. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 44. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 58. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 49. Calm wind becoming west around 5 mph

Poway CA
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 62. East wind around 5 mph becoming west in the morning.
Thursday Night
Mostly clear, with a low around 36. East wind 5 to 10 mph.
Friday
Sunny, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.

CEDAR CITY Ut.
.DAYS TWO THROUGH SEVEN…Thursday through Tuesday

Much colder air associated with this system will drop both the high and low temperatures below normal Thursday through Saturday. The next chance for precipitation will arrive late Saturday, followed by a second and stronger weather disturbance impacting area late Sunday through Monday.

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THIS DAY IN WEATHER HISTORY:
2013: A cold winter storm dropped over a foot of snow at higher elevations in the San Bernardino Mountains on this day and on 2/8. Ten to 12 inches was reported from Lake Arrowhead and Running Springs, and up to ten inches in the Laguna Mountains. Snow accumulated as low as 2000 feet elevation, including one to three inches of snow in Yucaipa and Beaumont.

2009: Three waterspouts were reported eight miles south of San Pedro. Another waterspout was spotted about 20 miles west of Encinitas.

2006: Santa Ana winds flared up on 2/6 and on this day and led to the Sierra Fire east of Orange. It burned nearly 11,000 acres and caused eight minor injuries.

2001: 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, two feet at Snow Summit, and five to 12 inches at Apple Valley. The roof of an ice rink caved in at Blue Jay. On this day wind gusts reached 50 mph at Palm Springs and Thermal and 54 mph at Fish Creek Mountains.

1998: El Niño got in gear. Heavy rain that started on 2/6 and ended on 2/9 brought up to three inches of rainfall to Southern California. Catastrophic and widespread flooding resulted, especially in Newport Beach and Irvine. Lots of property damage occurred in southern Orange County. Evacuations and swift water rescues were needed. Landslides, mud slides, and sink holes occurred. Roads, bridges, and railroads were damaged.

1994: A strong storm brought heavy rain to the mountains north of LA. Mud slides resulted in the Old Topanga area, which burned the previous fall. A tornado touched down from Newport Beach to Tustin, causing roof and window damage and blowing trees down. A weak tornado also touched down in Sun Valley in the San Fernando Valley.

1993: Heavy rain that started on this day and ended on 2/10 brought one to five inches of rainfall near the coast, up to ten inches of precipitation to the mountains and 0.5 to 1.5 inches in the deserts. Eight to 18 inches of snow fell in the mountains. Widespread flooding occurred.

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 to16+ inches to lower elevations. Two were killed in an avalanche at Mt. Baldy. Flash flooding, mud slides, and road closures also occurred.

1989: Snow at the beaches in LA to the desert in Palm Springs. 15 inches fell in the mountains, three inches at Palmdale and one to three inches from Calabasas to Simi Valley to Santa Clarita. Major road closures and numerous traffic accidents resulted. At one point all the principal highways in/out of the L.A. Basin (including Interstates 5, 10, 15 and Highway 14) were closed due to snow. Approximately 25% of the strawberry crop and 35% of the lemon crop was lost.

1987: Santa Ana winds hit San Diego County on 2/6 and on this day. Gusts reached 75 mph at Cuyamaca and Palomar Mountain areas. Gusts to 60 mph hit Brown Field and Warner Springs, 40 mph in Julian and Valley Center. 35 mph gusts hit San Diego. A plane flipped over at Brown Field. Winds forced a sailboat into the rocks at Pt. Loma. I-8 was closed for two hours in eastern San Diego County. Trees, power lines and fences were downed, causing damage and power outages. A highway sign fell on cars.

1976: Strong storm winds hit 64 mph at Palmdale.

1937: 4.19 inches of rain fell in Santa Ana, the third greatest daily amount on record. 2.90 inches of rain fell in San Diego beginning on 2/6 and ending on this day, the greatest 24-hour amount for February on record. 2.60 inches fell in 12 hours. 2.88 inches fell in Riverside on this day, the greatest daily amount for February and the third greatest on record. For the storm from 2/4 to this day, 10 inches fell in Cuyamaca, 8.20 inches fell in Descanso, and 5.70 inches fell in Escondido. On 2/6 and this day, 4.25 inches fell in Long Beach, a 24 hour record. Flooding killed many. The LA basin flooded in many communities. Hodges Dam overtopped. Mountain snowmelt added to the flooding.
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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. @ 0645 Hrs. TEMP: 260 RH: 83% WIND: CALM
4.83” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 1.41” YTD S/F: 0.00” /
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FIRES: UPDATED

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