WEATHER 2/8/19

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: 2/8/19
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:
Dry and a little warmer today. A weakening low pressure system will bring a period of mostly light showers for late tonight into Saturday afternoon along with gusty west winds in the mountains and deserts. A second low pressure system will bring another chance for mostly light showers for Sunday into Sunday night along with gusty west to northwest winds in the mountains and deserts.
Monday and Tuesday are expected to be dry and a little warmer. More widespread precipiation is possible for Tuesday night and Wednesday. Additional precipitation is possible for Thursday and Friday, but with very low confidence in the details.

WEATHER SUMMARY
Cool with patchy frost inland tonight. Periods of light precipitation are slated for late Friday night through Saturday and Sunday night through Monday. Forecaster confidence is increasing that a significant
rain event could occur Wednesday-Friday next week as another Atmospheric River arrives in Southern California. Take a look at the attached briefing for more details.

Confidence Level: Moderate to High
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

Heavy precip. chances going up Wednesday through Friday next week (best
chances probably Thu-Fri)
These wetter storms driven by landfalling atmospheric river could have the
potential for impacts to burn scars and flooding potential area-wide

Details & Locations All Areas, especially over the coastal slopes and mountains
Timing
Chances for widespread precipitation go up mid next week, could begin
Wednesday or Thursday, continuing into Friday
Potential for several days of significant precipitation
Confidence is beginning to increase, stay tuned to updates!
Chances for widespread precipitation go up mid next week, could begin Wednesday or Thursday, continuing into Friday Potential for several days of significant precipitation
Confidence is beginning to increase, stay tuned to updates

NWS LAS VEGAS SYNOP– (NORTH & EAST OF COUNTY)
Cold temperatures will persist with temperatures remaining well below normal. A slight warming trend will commence over the weekend but temperatures will remain below normal.
Increasing shower activity is expected across the Sierra Friday night and southern Great Basin Saturday. An active weather pattern will continue next week as storm systems line up and take aim at the area.

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 FEB. 8 FEB.9 FEB.10 FEB. 11 FEB.12 FEB.13

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…..48 to 53. 24 HR TREND……Up 5 degrees.
Min humidity……..20 to 25 percent. 24 HR TREND……Little change.
WIND (20 FT)……..Variable 3 to 6 mph becoming south 6 to 11 mph with gusts to 25 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear. Chance of snow showers after midnight.
Min temperature…..Around 33. 24 HR TREND……Up 7 degrees.
Max humidity……..85 to 95 percent. 24 HR TREND……Up 30 percent.
WIND (20 FT)……..Winds south 6 to 12 mph with gusts to 25 mph.
CWR (>0.10 IN)……5 percent. LAL……………..1.

.SATURDAY… Sky/weather………Partly cloudy…becoming mostly sunny. Chance of showers in the morning.
Max temperature…..47 to 53. 24 HR TREND……Down 3 degrees.
Min humidity……..35 to 45 percent. 24 HR TREND……Up 20 percent.
WIND (20 FT)……..Winds west 7 to 17 mph with gusts to 30 mph.
CWR (>0.10 IN)……1 percent. LAL……………..1.

WRIGHTWOOD:
Friday
Sunny, with a high near 38. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of snow showers after 10pm. Partly cloudy, with a low around 27. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers before 10am. Mostly sunny, with a high near 36. Windy, with a west wind 20 to 30 mph decreasing to 10 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 29. West wind 15 to 20 mph, with gusts as high as 30 mph.

BIG PINES / WEST WRIGHTWOOD AREA
Friday
Sunny, with a high near 40. South southwest wind around 10 mph.
Friday Night
A 30 percent chance of snow after 10pm. Increasing clouds, with a low around 27. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. New snow accumulation of less than one inch possible.
Saturday
A chance of snow before 10am, then a chance of snow showers after 10am. Partly sunny, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 15 mph.
.
PHELAN:
Friday
Sunny, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of snow showers after 10pm. Partly cloudy, with a low around 31. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A chance of snow showers before 10am. Mostly sunny, with a high near 44. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 33. West wind around 5 mph becoming calm

TRONA:
Friday
Sunny, with a high near 54. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
A 30 percent chance of showers, mainly between 10pm and 4am. Partly cloudy, with a low around 35. Southwest wind around 7 mph.
Saturday
A 20 percent chance of showers before 10am. Sunny, with a high near 54. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 36. South southwest wind 7 to 10 mph.

BARSTOW / DAGGETT / BAKER / FT. IRWIN (CAZ228):
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….56-61. * 24 hr trend…..On average up 6 degrees.
* Min humidity: * Valley floor….14-24 percent. * 24 hr trend…..On average down 2 percent.
* 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 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….30-35. * 24 hr trend…..On average up 4 degrees.
* Max humidity: * Valley floor….60-65 percent. * 24 hr trend…..On average up 11 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Southwest wind up to 10 mph with gusts to around 20 mph.
* 10000 ft msl….Southwest 35 to 45 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.SATURDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….57-62. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….25-35 percent. * 24 hr trend…..On average up 11 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Southwest wind 10 to 15 mph with gusts to around 30 mph.
* 10000 ft msl….West 35 to 45 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..4.

BAKER:
Friday
Sunny, with a high near 57. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 29. Southeast wind around 6 mph.
Saturday
Sunny, with a high near 59. South southeast wind 7 to 14 mph becoming west southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 31. South wind around 6 mph.

SOUTHERN OWENS VALLEY / EAST SIERRA FOOTHILLS:
TODAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….48-53. * 7000 feet…….34-39. 24 hr trend…..On average up 6 degrees.
* Min humidity: * Valley floor….23-31 percent. * 7000 feet…….31-41 percent. * 24 hr trend…..Little change.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….South winds up to 10 mph with gusts to around 25 mph.
* Upper slopes….Southwest winds 15 to 20 mph with gusts to around 45 mph.
* 10000 ft msl….Southwest 15 to 25 mph increasing to 20 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.TONIGHT… * Sky/Weather………Mostly cloudy. Scattered snow showers.
* Min temperature: * Valley floor….27-32. * 7000 feet…….2-7. * 24 hr trend…..On average up 5 degrees.
* Max humidity: *Valley floor….76-81 percent. * 7000 feet…….72-77 percent. * 24 hr trend…..On average up 14 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Southwest winds up to 10 mph.
* Upper slopes….Southwest winds 10 to 15 mph with gusts to around 35 mph increasing to 15 to 25 mph with gusts to around 45 mph after midnight.
* 10000 ft msl….Southwest 15 to 25 mph becoming 15 to 20 mph after midnight.
* CWR (>= 0.10 in)….10 percent increasing to 60 percent after midnight. * LAL……………..1.
* Haines Index……..3.

.SATURDAY… * Sky/Weather………Partly cloudy. Isolated snow showers.
* Max temperature: * Valley floor….46-51. * 7000 feet…….31-36. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….29-39 percent. * 7000 feet…….45-55 percent. * 24 hr trend…..On average up 10 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Southwest winds 10 to 15 mph with gusts to around 25 mph.
* Upper slopes….Windy. West winds 20 to 30 mph with gusts to around 55 mph.
* 10000 ft msl….West 20 to 30 mph.
* CWR (>= 0.10 in)….5 percent. * LAL……………..1.
* Haines Index……..4.

INLAND EMPIRE (CAZ248):
.TODAY… Sky/weather………Mostly sunny. Patchy frost in the morning.
Max temperature…..54 to 61. 24 HR TREND……Up 1 degree.
Min humidity……..25 to 30 percent. 24 HR TREND……Up 5 percent.
WIND (20 FT)……..Winds east around 6 mph becoming southwest around 6 mph in the afternoon.
CWR (>0.10 IN)……0 percent. LAL……………..1.

.TONIGHT… Sky/weather………Mostly clear…becoming mostly cloudy. Chance of showers after midnight.
Min temperature…..36 to 43. 24 HR TREND……Up 8 degrees.
Max humidity……..80 to 90 percent. 24 HR TREND……Up 35 percent.
WIND (20 FT)……..Winds southwest around 6 mph becoming southeast around 6 mph after midnight.
CWR (>0.10 IN)……12 percent. LAL……………..1.

.SATURDAY.. Sky/weather………Mostly cloudy…becoming partly cloudy. Showers in the morning, then slight chance of showers in the afternoon.
Max temperature…..47 to 56. 24 HR TREND……Down 5 degrees.
Min humidity……..50 to 60 percent. 24 HR TREND……Up 25 percent.
WIND (20 FT)……..Winds southeast around 6 mph becoming west 6 to 9 mph with gusts to 20 mph in the afternoon.
CWR (>0.10 IN)……6 percent. LAL……………..1.

DEVORE:
Friday
Sunny, with a high near 56. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A chance of showers after 10pm. Increasing clouds, with a low around 40. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 51. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 40. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

CHINO HILLS:
Friday
Sunny, with a high near 56. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A chance of showers after 10pm. Increasing clouds, with a low around 40. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 51. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 40. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

COLTON:
Friday
Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A chance of showers, mainly after 4am. Increasing clouds, with a low around 43. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 10am. Mostly sunny, with a high near 56. East wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 43. Southwest wind around 5 mph becoming calm in the evening.

SAN BERNARDINO N.F. (CAZ255/CAZ256):
.TODAY… Sky/weather………Mostly sunny.
Max temperature…..34 to 42 above 6000 feet to 43 to 53 below 6000 feet. 24 HR TREND……Up 5 degrees.
Min humidity……..15 to 25 percent. 24 HR TREND……Down 15 percent.
WIND (20 FT)……..
SLOPES………..Winds south 6 to 12 mph with 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.

.TONIGHT… Sky/weather………Mostly clear…becoming mostly cloudy. Chance of snow showers after midnight.
Min temperature…..13 to 23 above 6000 feet to 24 to 31 below 6000 feet. 24 HR TREND……Up 7 degrees.
Max humidity……..65 to 75 percent on desert slopes to 85 to 95 percent on coastal slopes.
24 HR TREND……Little change.
WIND (20 FT)……..
SLOPES………..Winds south 6 to 14 mph becoming west 6 to 16 mph after midnight. Gusts to 30 mph.
RIDGETOP………Winds southwest 13 to 23 mph with gusts to 40 mph.
CWR (>0.10 IN)……4 percent. LAL……………..1.

.SATURDAY… Sky/weather………Cloudy…becoming partly cloudy. Areas of fog in the morning. Snow showers likely in the morning, then slight chance of showers in the afternoon.
Max temperature…..26 to 36 above 6000 feet to 34 to 43 below 6000 feet. 24 HR TREND……Down 2 degrees.
Min humidity……..35 to 45 percent on desert slopes to 50 to 60 percent on coastal slopes.
24 HR TREND……Up 45 percent.
WIND (20 FT)……..
SLOPES………..Winds west 9 to 19 mph with gusts to 35 mph.
RIDGETOP………Winds west 15 to 25 mph with gusts to 50 mph.
CWR (>0.10 IN)……8 percent. LAL……………..1.

LAKE ARROWHEAD SCHOOL- AREA:
Friday
Sunny, with a high near 40. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of snow showers after 4am. Partly cloudy, with a low around 27. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers before 10am. Partly sunny, with a high near 36. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 28. South wind 5 to 10 mph, with gusts as high as 20 mph.

BIG BEAR SCHOOL AREA:
Friday
Sunny, with a high near 34. Wind chill values as low as zero. Southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
A chance of snow showers after 4am. Partly cloudy, with a low around 21. Southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers before 10am. Mostly sunny, with a high near 33. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 23. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

BANNING PASS:
.TODAY… Sky/weather………Mostly sunny. Patchy frost in the morning.
Max temperature…..59 to 64. 24 HR TREND……Up 4 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.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..38 to 44. 24 HR TREND……Up 5 degrees.
Max humidity……..70 to 80 percent. 24 HR TREND……Up 20 percent.
WIND (20 FT)……..Winds east 6 to 9 mph becoming west 6 to 12 mph after midnight. Gusts to 25 mph.
CWR (>0.10 IN)……1 percent. LAL……………..1.

.SATURDAY… Sky/weather………Partly cloudy. Slight chance of showers in the morning.
Max temperature…..58 to 63. 24 HR TREND……Little change.
Min humidity……..30 to 40 percent. 24 HR TREND……Up 15 percent.
WIND (20 FT)……..Winds west 9 to 19 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent. LAL……………..1.

JOSHUA TREE AREA (CAZ261):
.TODAY… Sky/weather………Mostly sunny. Patchy frost in the morning.
Max temperature…..59 to 64. 24 HR TREND……Up 4 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.

.TONIGHT… Sky/weather………Mostly clear.
Min temperature…..38 to 44. 24 HR TREND……Up 5 degrees.
Max humidity……..70 to 80 percent. 24 HR TREND……Up 20 percent.
WIND (20 FT)……..Winds east 6 to 9 mph becoming west 6 to 12 mph after midnight. Gusts to 25 mph.
CWR (>0.10 IN)……1 percent. LAL……………..1.

.SATURDAY…
Sky/weather………Partly cloudy. Slight chance of showers in the
morning.
Max temperature…..58 to 63.
24 HR TREND……Little change.
Min humidity……..30 to 40 percent.
24 HR TREND……Up 15 percent.
WIND (20 FT)……..Winds west 9 to 19 mph with gusts to 35 mph.
CWR (>0.10 IN)……0 percent.
LAL……………..1.

NEEDLES, RIVER BAT. (CAZ229):
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * Valley floor….58-63. * 24 hr trend…..On average up 6 degrees.
* Min humidity: * Valley floor….16-26 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 15 to 20 mph increasing to 25 to 30 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.
* Mixing height…….5300 ft agl.
* Transport winds…..Light winds becoming south around 10 knots in the afternoon.
* Ventilation………Good.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * Valley floor….34-39. * 24 hr trend…..On average up 5 degrees.
* Max humidity: * Valley floor….45-50 percent. * 24 hr trend…..On average down 7 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….Southwest 30 to 40 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.SATURDAY… * Sky/Weather………Mostly sunny.
* Max temperature: * Valley floor….59-64. * 24 hr trend…..Little change.
* Min humidity: * Valley floor….22-32 percent. * 24 hr trend…..On average up 6 percent.
* Wind (Slope/valley=20 ft, 10 min avg):
* Valley floor….Upslope/upvalley 4 to 8 mph becoming southwest up to 10 mph in the afternoon. Gusts up to 25 mph.
* 10000 ft msl….Southwest 35 to 45 mph.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..3.
* Mixing height…….7700 ft agl.
* Transport winds…..South 10 to 15 knots.
* Ventilation………Excellent.

STATELINE – CLARK COUNTY BORDER:
.TODAY… * Sky/Weather………Sunny.
* Max temperature: * 4000 feet…….51-56. * 24 hr trend…..On average up 6 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.
* 10000 ft msl….Southwest 20 to 25 mph increasing to 25 to 35 mph in the afternoon.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.
* Mixing height…….4500 ft agl.
* Transport winds…..Light winds becoming south around 10 knots in the afternoon.
* Ventilation………Fair.

.TONIGHT… * Sky/Weather………Partly cloudy.
* Min temperature: * 4000 feet…….28-33. * 24 hr trend…..On average up 4 degrees.
* Max humidity: * 4000 feet…….59-64 percent. * 24 hr trend…..On average up 3 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Downslope/downvalley 2 to 5 mph.
* 10000 ft msl….Southwest 35 to 45 mph decreasing to 30 to 40 mph after midnight.
* CWR (>= 0.10 in)….0 percent. * LAL……………..1.
* Haines Index……..5.

.SATURDAY… * Sky/Weather………Partly cloudy. Isolated snow showers.
* Max temperature: * 4000 feet…….51-56. * 24 hr trend…..Little change.
* Min humidity: * 4000 feet…….30-40 percent. * 24 hr trend…..On average up 11 percent.
* Wind (slope/valley=20 ft, 10 min avg):
* Slope/valley….Southwest winds up to 10 mph with gusts to around 25 mph.
* 10000 ft msl….Southwest 35 to 45 mph.
* CWR (>= 0.10 in)….10 percent. * LAL……………..1.
* Haines Index……..3.
* Mixing height…….7700 ft agl.
* Transport winds…..Southwest 10 to 20 knots.
* Ventilation………Excellent.

*************************** OUT OF COUNTY ********************************
WEAK NORTH TO NORTHEAST WINDS TONIGHT…

…SHOWERS POSSIBLE SATURDAY THROUGH MONDAY

LOS ANGELS CO. SAN GABRIEL VALLEY (CAZ247/CAZ249):
.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..58-63. 24 hr trend……Little change.
Min humidity……..30-40 percent. 24 hr trend……Up 5.
20-foot winds…….Variable 3-6 mph becoming southwest 8-15 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy. Chance of rain after midnight.
Min temperature…..40-46.
Max humidity……..80-100 percent.
20-foot winds…….Southwest 8-15 mph in the evening becoming variable 3-6 mph.
LAL……………..1. CWR (>0.10 IN)……10 percent.

.SATURDAY… Sky/weather………Mostly cloudy then becoming partly cloudy. Chance of rain in the morning.
Max temperature…..54-60.
Min humidity……..50-60 percent.
20-foot winds…….Variable 3-6 mph becoming southwest 8-15 mph with local gusts to 25 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……20 percent.

LOS ANGELES COUNTY SAN FERNANDO VALLEY:
.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..55-61. 24 hr trend……Little change.
Min humidity……..25-40 percent. 24 hr trend……Up 5.
20-foot winds…….Variable 3-6 mph becoming southeast to southwest 6-12 mph with local gusts to 20 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Partly cloudy then becoming mostly cloudy. Chance of rain after midnight.
Min temperature…..39-44.
Max humidity……..80-100 percent.
20-foot winds…….Southeast to southwest 6-12 mph with local gusts to 20 mph in the evening becoming variable 3-6 mph.
LAL……………..1. CWR (>0.10 IN)……30 percent.

.SATURDAY… Sky/weather………Mostly cloudy then becoming partly cloudy. Rain likely in the morning.
Max temperature…..54-59.
Min humidity……..45-65 percent.
20-foot winds…….Variable 3-6 mph becoming southeast to southwest 6-12 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……20 percent.

SANTA CLARITA VALLEY:
.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..55-59. 24 hr trend……Little change.
Min humidity……..25-40 percent. 24 hr trend……Little change.
20-foot winds…….North to northeast 6-12 mph with gusts to 20 mph becoming south to southwest in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Partly cloudy then becoming mostly cloudy. Chance of rain after midnight.
Min temperature…..36-40.
Max humidity……..80-100 percent.
20-foot winds…….South to southwest 6-12 mph with gusts to 20 mph in the evening becoming variable 3-6 mph.
LAL……………..1. CWR (>0.10 IN)……30 percent.

.SATURDAY… Sky/weather………Mostly cloudy then becoming partly cloudy. Chance of rain, then slight chance of rain in the afternoon.
Max temperature…..52-57.
Min humidity……..50-60 percent.
20-foot winds…….Variable 3-6 mph becoming south to southwest 6-12 mph with gusts to 20 mph in the afternoon.
LAL……………..1. CWR (>0.10 IN)……10 percent.

SANTA MONICA MOUNTAINS RECREATIONAL AREA:
FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..50-60. 24 hr trend……Little change.
Min humidity……..35-50 percent except 50-60 percent coastal slopes and higher peaks. 24 hr trend……Up 5-10.
20-foot winds…….
Valleys/lwr slopes…North to northeast 5-10 mph becoming south to southwest 8-15 mph with local gusts to 25 mph in the afternoon.
Ridges/upr slopes….Southeast 5-10 mph becoming southwest 8-15 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Partly cloudy then becoming mostly cloudy. Chance of rain after midnight.
Min temperature…..39-47.
Max humidity……..80-100 percent.
20-foot winds…….
Valleys/lwr slopes…South to southwest 6-12 mph with local gusts to 20 mph becoming downslope/downvalley 3-6 mph.
Ridges/upr slopes….Southwest 5-15 mph.
LAL……………..1. CWR (>0.10 IN)……50 percent.

.SATURDAY… Sky/weather………Mostly cloudy then becoming partly cloudy. Rain likely in the morning.
Max temperature…..48-57.
Min humidity……..60-80 percent.
20-foot winds…….
Valleys/lwr slopes…Variable 4-8 mph becoming south to southwest 6-12 mph with gusts to 20 mph.
Ridges/upr slopes….Southwest 10-20 mph.
LAL……………..1. CWR (>0.10 IN)……30 percent.

ANGELES NATIONAL FOREST (CAZ253):
FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..48-56 low elevations to 38-48 higher elevations. 24 hr trend……Up 3.
Min humidity……..30-45 percent. 24 hr trend……Little change.
20-foot winds…….
Valleys/lwr slopes…Variable 5-10 mph becoming upvalley 6-12 mph with gusts to 20 mph.
Ridges/upr slopes….East to southeast 5-15 mph becoming southwest 10-20 mph in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Mostly clear then becoming mostly cloudy. Chance of rain and snow after midnight.
Min temperature…..33-40 low elevations to 25-31 colder valleys and peaks.
Max humidity……..70-95 percent.
20-foot winds…….
Valleys/lwr slopes…South to southwest 6-12 mph with gusts to 20 mph increasing to 15-25 mph with gusts to 35 mph.
Ridges/upr slopes….South to southwest 10-20 mph with gusts to
25 mph increasing to 15-25 mph with gusts
to 35 mph.
LAL……………..1.
CWR (>0.10 IN)……10 percent.

.SATURDAY…
Sky/weather………Mostly cloudy. Chance of rain. Chance of snow.
Slight chance of rain in the afternoon.
Max temperature…..45-53 low elevations to 35-45 higher elevations.
Min humidity……..50-70 percent.
20-foot winds…….
Valleys/lwr slopes…South to southwest 10-20 mph with gusts to 25 mph.
Ridges/upr slopes….Southwest 10-20 mph with gusts to 25 mph.
LAL……………..1.
CWR (>0.10 IN)……10 percent.

ANTELOPE VALLEY (CAZ259):
.FRIDAY… Sky/weather………Mostly sunny.
Max temperature…..46-53. 24 hr trend……Up 3.
Min humidity……..30-45 percent. 24 hr trend……Down 5.
20-foot winds…….Variable 3-6 mph becoming south to southwest 6-12 mph with gusts to 20 mph late in the afternoon.
Marine layer……..None.
LAL……………..1. CWR (>0.10 IN)……0 percent.

.FRIDAY NIGHT… Sky/weather………Partly cloudy then becoming mostly cloudy. Chance of rain and snow after midnight.
Min temperature…..31-35.
Max humidity……..80-100 percent.
20-foot winds…….Southwest 8-15 mph with gusts to 25 mph.
LAL……………..1. CWR (>0.10 IN)……10 percent.

.SATURDAY… Sky/weather………Mostly cloudy then becoming mostly sunny. Chance of rain and snow in the morning.
Max temperature…..43-53.
Min humidity……..45-60 percent.
20-foot winds…….Southwest 15-25 mph with gusts to 30 mph. Isolated gusts to 40 mph near Lake Palmdale.
LAL……………..1. CWR (>0.10 IN)……10 percent.

KERN CO. DESERTS (CAZ298):
Dry weather will continue over the district through Friday afternoon. A cold front will move southward
across the region Friday night with rain and mountain snow. Scattered showers and isolated afternoon thunderstorms are possible in the wake of this front Saturday. Another round of wet weather is likely Sunday afternoon into Monday with gusty winds through and below mountain passes. Temperatures
will average below normal through the period.

.FRIDAY… Sky/weather………Sunny. Areas of frost in the morning.
Max Temperature…..46-51. 24 HR Trend……Up 2-4 degrees.
Min Humidity……..33-43 percent. 24 HR Trend……Up 2-4 percent.
20-Foot Winds…….East 2-5 mph in the early morning shifting to the south 4-8 mph by afternoon.
LAL……………..1.
Ventilation………Very good.
Mixing height…….4100 ft AGL.
Transport Winds…..South around 5 mph in the morning increasing to southwest around 20 mph in the afternoon.
Chc Wetting Rain….0 percent.

.FRIDAY NIGHT… Sky/weather………Partly cloudy. Slight chance of showers in the evening. Chance of showers after midnight. Snow level 3500 feet.
Min Temperature…..32-37. 24 HR Trend……Up 3-5 degrees.
Max Humidity……..83-93 percent. 24 HR Trend……Up 9-19 percent.
20-Foot Winds…….Southwest 5-10 mph.
LAL……………..1. Chc Wetting Rain….0 percent.

.SATURDAY… Sky/weather………Partly sunny. Chance of showers in the morning.Snow level 4000 feet.
Max Temperature…..46-51. 24 HR Trend……Little change.
Min Humidity……..49-59 percent. 24 HR Trend……Up 7-17 percent.
20-Foot Winds…….West 10-20 mph. Gusts around 30 mph.
LAL……………..1.
Ventilation………Excellent.
Mixing height…….4200 ft AGL.
Transport Winds…..West 20 to 25 mph.
Chc Wetting Rain….0 percent.

La Jolla CA
Friday
Sunny, with a high near 58. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm after midnight.
Saturday
A chance of showers. Mostly cloudy, with a high near 57. Light and variable wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 48. Northwest wind 5 to 10 mph becoming northeast after midnight.

Poway CA
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
Mostly cloudy, with a low around 43. Calm wind becoming east around 5 mph after midnight.
Saturday
A chance of showers. Partly sunny, with a high near 58. Southeast wind 5 to 15 mph becoming west in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 42. Northwest wind 5 to 10 mph becoming northeast in the evening.

CEDAR CITY Ut.
DAYS TWO THROUGH SEVEN…Friday through Wednesday

A weak storm system will bring a chance of snow Saturday to the outlook area. A more potent storm will bring the potential for additional significant snowfall most of the area later Sunday into Monday.

Friday
Sunny, with a high near 40. South southwest wind 5 to 13 mph.
Friday Night
Partly cloudy, with a low around 20. South southwest wind 7 to 10 mph.
Saturday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 37. South southwest wind 10 to 16 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 19. South southwest wind 8 to 13 mph

============================================================
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 2/7 and on this day. 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. ;

2002: Santa Ana winds started on this day and ended on 2/10. A gust of 80 mph was measured at Descanso, 78 mph at Fremont Canyon and 76 mph in San Bernardino. A fire developed in the Fallbrook area.

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.

1998: El Niño got into 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. Surf in excess of 15 feet caused the collapse of five mobile homes in San Clemente. The Balboa Pier in Newport Beach was also damaged.

1993: Heavy rain that started on 2/7 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. On this day a tornado hit Brea causing property damage.

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 fell across the region from the beaches in LA to the desert in Palm Springs. It started on 2/7 and ended on 2/9. 15 inches fell in the mountains and three inches fell at Palmdale. Major road closures and numerous traffic accidents resulted.

1986: A snowstorm on this day and on 2/9 brought eight inches to Cuyamaca, seven inches at Mt. Laguna and four inches at Julian.

1978: Heavy rain that began on this day ended on 2/10. 16.4 inches fell at Lytle Creek, 13.64 inches at Lake Arrowhead, 11.97 inches in Wrightwood, 11.15 inches in Devore, 10.4 inches at Santiago Peak, 8.5 inches in Crestline, 5 inches in Ontario, 4.79 inches in Big Bear Lake, and 3.83 inches in Santa Ana. 20 were killed all over Southern California. Widespread flooding, flash flooding, and mud slides resulted, and numerous homes washed away.

1976: During a heavy rainstorm, 2.10 inches of rain was recorded in just five minutes at Haines Canyon in the San Gabriel Mountains. Strong storm winds hit 64 mph at Palmdale.

1932: 2.30 inches of rain fell in Palm Springs, the greatest daily amount on record for February.
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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. @ 0640 Hrs. TEMP: 280 RH: 82% WIND: W 3 G 9
4.83” RF @ HESP. STA.SINCE OCT. 1st/20 Yr Avg: 7.12” : MONTH: 1.41” YTD S/F: 0.00” /
=================================================================
FIRES: UPDATED

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