Frost Advisory 13, NWS San Diego, CA

244 
WWUS76 KSGX 260556
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
956 PM PST FRI DEC 25 2015

...HIGH WIND WARNING FOR PORTIONS OF THE INLAND EMPIRE...THE SAN
BERNARDINO AND SANTA ANA MOUNTAINS...AND MUCH OF CENTRAL AND
SOUTHERN ORANGE COUNTY THROUGH LATE SATURDAY NIGHT...

...WIND ADVISORY SATURDAY MORNING THROUGH LATE SATURDAY NIGHT FOR
MUCH OF SAN DIEGO COUNTY ALONG AND WEST OF THE MOUNTAINS...

...FROST ADVISORY FOR THE INLAND EMPIRE AND SAN DIEGO COUNTY
VALLEYS THROUGH EARLY SATURDAY MORNING...

.COLD HIGH PRESSURE BUILDING OVER THE GREAT BASIN AND STRONG
WINDS ALOFT WILL FUEL STRONG...POSSIBLY DAMAGING SANTA ANA WINDS
LATE TONIGHT THROUGH LATE SATURDAY NIGHT ACROSS PORTIONS OF
SOUTHERN CALIFORNIA. WHERE THE WINDS ARE MUCH LIGHTER...FROST AND
FREEZING TEMPERATURES WILL DEVELOP FOR SEVERAL HOURS LATE TONIGHT
INTO SATURDAY MORNING IN THE VALLEYS.

CAZ048-261400-
/O.CON.KSGX.HW.W.0007.151226T1100Z-151227T1100Z/
/O.CON.KSGX.FR.Y.0013.151226T0800Z-151226T1600Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
956 PM PST FRI DEC 25 2015

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST SATURDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 AM SATURDAY TO 3 AM
PST SUNDAY...

...HIGH WIND WARNING IN EFFECT FROM 3 AM SATURDAY TO 3 AM PST
SUNDAY...

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 3 AM SATURDAY TO 3 AM PST
SUNDAY. A FROST ADVISORY HAS ALSO BEEN ISSUED AND IS IN EFFECT
FROM MIDNIGHT TONIGHT TO 8 AM PST SATURDAY.

* WINDS...NORTHEAST 30 TO 40 MPH WITH OCCASIONAL GUSTS OF 60 TO
  70 MPH

* TIMING...LATE TONIGHT THROUGH LATE SATURDAY NIGHT

* LOCATION...BELOW THE SAN GORGONIO AND CAJON PASSES AND CANYONS 
  PRONE TO SANTA ANA WINDS. 

* VISIBILITY...REDUCED IN BLOWING DUST TO ONE MILE OR LESS JUST
  BELOW THE COASTAL SLOPES.

* TEMPERATURE...29 TO 35 DEGREES LATE TONIGHT AND EARLY SATURDAY 
  MORNING IN WIND SHELTERED AREAS. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO GUSTY CROSS WINDS. POSSIBLE DAMAGE TO TREES 
  AND LOOSELY SECURED HOLIDAY DECORATIONS. FROST CAN DAMAGE OR 
  KILL SENSITIVE PLANTS AND CROPS. 

* OUTLOOK...WINDS DECREASING LATE SATURDAY NIGHT. EXPECT ANOTHER 
  COLD NIGHT WITH FROST IN SHELTERED AREAS SATURDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ055-057-552-554-261400-
/O.CON.KSGX.HW.W.0007.151226T1100Z-151227T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
ORANGE COUNTY COASTAL AREAS-ORANGE COUNTY INLAND AREAS-
956 PM PST FRI DEC 25 2015

...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 AM SATURDAY TO 3 AM
PST SUNDAY...

* WINDS...NORTHEAST 30 TO 40 MPH WITH GUSTS 55 TO 65 MPH. BRIEF GUSTS
  TO 75 MPH NEAR THE SANTA ANA MOUNTAINS.

* TIMING...LATE TONIGHT THROUGH LATE SATURDAY NIGHT

* LOCATION...ALONG THE COASTAL MOUNTAIN SLOPES AND INTO MUCH OF 
  CENTRAL AND SOUTHERN ORANGE COUNTY...INCLUDING THE FAR 
  NORTHERN SAN DIEGO COUNTY COAST NORTH OF OCEANSIDE. STRONGEST 
  GUSTS BELOW THE SANTA ANA MOUNTAIN CANYONS. 

* VISIBILITY...REDUCED IN BLOWING DUST TO ONE MILE OR LESS JUST
  BELOW THE COASTAL SLOPES.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE VEHICLES
  DUE TO GUSTY CROSS WINDS. POCKETS OF DAMAGE POSSIBLE TO TREES,
  POWERLINES, AND ALSO LOOSELY SECURED HOLIDAY DECORATIONS.

* OUTLOOK...WINDS DECREASING SATURDAY AFTERNOON FOR THE NORTH 
  COAST OF SAN DIEGO COUNTY AND LATER SATURDAY NIGHT FOR ALL 
  OTHER POINTS NORTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ050-261400-
/O.CON.KSGX.FR.Y.0013.151226T0800Z-151226T1600Z/
/O.CON.KSGX.WI.Y.0037.151226T1800Z-151227T1100Z/
SAN DIEGO COUNTY VALLEYS-
956 PM PST FRI DEC 25 2015

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST SATURDAY...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 3 AM
PST SUNDAY...

* WINDS...NORTHEAST 25 TO 35 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING...LATE TONIGHT AND EARLY SATURDAY MORNING FOR FROST. 
  LATE SATURDAY MORNING THROUGH SATURDAY EVENING FOR WIND. 

* LOCATION...WIND SHELTERED AREAS FOR FROST...AND NEAR THE 
  FOOTHILLS OF THE MOUNTAINS FOR WIND 

* TEMPERATURE...29 TO 35 DEGREES FOR SEVERAL HOURS.

* IMPACTS...FROST CAN DAMAGE OR KILL SENSITIVE PLANTS AND CROPS. 
  WATCH FOR DEBRIS ON ROADWAYS. UNSECURED HOLIDAY DECORATIONS 
  MAY BE DAMAGED. 

* OUTLOOK...COLD AGAIN WITH FROST ON SATURDAY NIGHT. WINDS 
  DECREASING SATURDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ043-056-058-065-261400-
/O.CON.KSGX.WI.Y.0037.151226T1800Z-151227T1100Z/
SAN DIEGO COUNTY COASTAL AREAS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-SAN GORGONIO PASS NEAR BANNING-
956 PM PST FRI DEC 25 2015

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 3 AM
PST SUNDAY...

WINDS...NORTHEAST 30 TO 40 MPH WITH BRIEF GUSTS UP TO 65 MPH.

* TIMING...LATE TONIGHT THROUGH LATE SATURDAY NIGHT

* LOCATION...THE SAN DIEGO COUNTY COAST NORTH OF OCEANSIDE... 
  ALONG THE COASTAL MOUNTAIN SLOPES AND FOOTHILLS...STRONGEST 
  WIND GUSTS BELOW CANYONS PRONE TO SANTA ANA WINDS. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO GUSTY CROSS WINDS. POSSIBLE DAMAGE TO LOOSELY 
  SECURED HOLIDAY DECORATIONS. 

* OUTLOOK...WINDS DECREASING LATE SATURDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

JMB

732 
WWUS76 KSGX 261118
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
318 AM PST SAT DEC 26 2015

...AREAS OF STRONG GUSTY NORTH TO NORTHEAST WINDS THROUGH LATE
TONIGHT...

...AREAS OF FROST IN COLDER WIND SHELTERED LOCATIONS IN
COASTAL...VALLEY...AND LOWER DESERT AREAS THROUGH EARLY THIS
MORNING AND AGAIN LATE TONIGHT INTO SUNDAY MORNING...

.STRONG COLD SURFACE HIGH PRESSURE WILL BRING PERIODS OF STRONG
GUSTY NORTH TO NORTHEAST WINDS ALONG AND BELOW COASTAL MOUNTAIN
SLOPES THROUGH LATE TONIGHT...STRONGEST AND MOST WIDESPREAD FROM
LATE THIS MORNING INTO THIS EVENING. THERE WILL BE AREAS OF FROST
IN PORTIONS OF THE VALLEYS...COASTAL AREAS...AND LOWER DESERTS
THROUGH EARLY THIS MORNING...AND AGAIN LATE TONIGHT INTO SUNDAY
MORNING...ESPECIALLY IN WIND SHELTERED LOCATIONS.

CAZ050-262130-
/O.UPG.KSGX.WI.Y.0037.151226T1800Z-151227T1100Z/
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
/O.EXB.KSGX.HW.W.0007.151226T1118Z-151227T1100Z/
/O.CON.KSGX.FR.Y.0013.000000T0000Z-151226T1600Z/
SAN DIEGO COUNTY VALLEYS-
318 AM PST SAT DEC 26 2015

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM PST SUNDAY...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 3 AM PST SUNDAY. A FROST
ADVISORY HAS ALSO BEEN ISSUED. THIS FROST ADVISORY IS IN EFFECT
FROM 8 PM THIS EVENING TO 8 AM PST SUNDAY. THE WIND ADVISORY IS
NO LONGER IN EFFECT. 

* WINDS...AREAS OF NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS TO 60
  MPH. WINDS STRONGEST AND MOST WIDESPREAD FROM LATE THIS MORNING
  THROUGH THIS AFTERNOON.

* TEMPERATURES...FALLING INTO THE UPPER 20S TO MID 30S THROUGH 9
  AM THIS MORNING...AND AGAIN FOR LATE TONIGHT INTO SUNDAY MORNING
  WITH AREAS OF FROST.

* IMPACTS...FROST CAN DAMAGE OR KILL SENSITIVE PLANTS AND CROPS. 
  WATCH FOR DEBRIS ON ROADWAYS. UNSECURED HOLIDAY DECORATIONS 
  MAY BE DAMAGED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ065-262130-
/O.UPG.KSGX.WI.Y.0037.151226T1800Z-151227T1100Z/
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
/O.EXB.KSGX.HW.W.0007.151226T1118Z-151227T1100Z/
SAN GORGONIO PASS NEAR BANNING-
318 AM PST SAT DEC 26 2015

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM PST SUNDAY...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 3 AM PST SUNDAY. A FROST
ADVISORY HAS ALSO BEEN ISSUED. THIS FROST ADVISORY IS IN EFFECT
FROM 8 PM THIS EVENING TO 8 AM PST SUNDAY. THE WIND ADVISORY IS NO
LONGER IN EFFECT.

* WINDS...AREAS OF EAST TO NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS
  TO 60 MPH. WINDS STRONGEST AND MOST WIDESPREAD FROM LATE THIS
  MORNING THROUGH THIS EVENING.

* TEMPERATURES...FALLING INTO THE UPPER 20S TO MID 30S FOR LATE
  TONIGHT INTO SUNDAY MORNING WITH AREAS OF FROST.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE VEHICLES
  DUE TO GUSTY CROSS WINDS. POSSIBLE DAMAGE TO LOOSELY SECURED
  HOLIDAY DECORATIONS. FROST CAN DAMAGE OR KILL SENSITIVE PLANTS
  AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ056-058-262130-
/O.UPG.KSGX.WI.Y.0037.151226T1800Z-151227T1100Z/
/O.EXB.KSGX.HW.W.0007.151226T1118Z-151227T1100Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
318 AM PST SAT DEC 26 2015

...HIGH WIND WARNING IN EFFECT UNTIL 3 AM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 3 AM PST SUNDAY. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

* WINDS...AREAS OF NORTH TO NORTHEAST WINDS 25 TO 35 MPH WITH
  GUSTS TO 65 MPH. ISOLATED GUSTS TO 75 MPH.

* TIMING...STRONGEST AND MOST WIDESPREAD WINDS FOR THIS AFTERNOON
  AND EVENING.

* LOCATION...NEAR MOUNTAIN RIDGE TOPS AND ALONG COASTAL MOUNTAIN
  SLOPES.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO GUSTY CROSS WINDS. POSSIBLE DAMAGE TO LOOSELY 
  SECURED HOLIDAY DECORATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ048-262130-
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
/O.CON.KSGX.HW.W.0007.000000T0000Z-151227T1100Z/
/O.CON.KSGX.FR.Y.0013.000000T0000Z-151226T1600Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
318 AM PST SAT DEC 26 2015

...HIGH WIND WARNING NOW IN EFFECT UNTIL 3 AM PST SUNDAY...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY. 

* WINDS...AREAS OF NORTHEAST WINDS 25 TO 35 MPH. GUSTS TO 65 MPH
  BELOW PASSES AND CANYONS WITH ISOLATED GUSTS TO 75 MPH.
  STRONGEST AND MOST WIDESPREAD WINDS FROM LATE THIS MORNING INTO
  THIS EVENING.

* TEMPERATURES...FALLING INTO THE UPPER 20S TO MID 30S IN WIND
  SHELTERED LOCATIONS INTO THE MORNING AND AGAIN LATE TONIGHT INTO
  SUNDAY MORNING WITH AREAS OF FROST.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO GUSTY CROSS WINDS. POSSIBLE DAMAGE TO TREES 
  AND LOOSELY SECURED HOLIDAY DECORATIONS. FROST CAN DAMAGE OR 
  KILL SENSITIVE PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ554-262130-
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
/O.CON.KSGX.HW.W.0007.000000T0000Z-151227T1100Z/
ORANGE COUNTY INLAND AREAS-
318 AM PST SAT DEC 26 2015

...HIGH WIND WARNING NOW IN EFFECT UNTIL 3 AM PST SUNDAY...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY. 

* WINDS...AREAS OF NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS TO 60
  MPH. ISOLATED GUSTS TO 70 MPH NEAR THE FOOTHILLS. WINDS
  STRONGEST AND MOST WIDESPREAD FOR LATE THIS MORNING INTO THIS
  AFTERNOON.

* TEMPERATURES...FALLING INTO THE LOWER TO MID 30S IN WIND
  SHELTERED LOCATIONS LATE TONIGHT INTO SUNDAY MORNING WITH AREAS
  OF FROST.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE VEHICLES
  DUE TO GUSTY CROSS WINDS. POCKETS OF DAMAGE POSSIBLE TO TREES...
  POWERLINES... AND ALSO LOOSELY SECURED HOLIDAY DECORATIONS.
  FROST CAN DAMAGE OR KILL SENSITIVE PLANTS AND CROPS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ055-057-552-262130-
/O.CON.KSGX.HW.W.0007.000000T0000Z-151227T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
ORANGE COUNTY COASTAL AREAS-
318 AM PST SAT DEC 26 2015

...HIGH WIND WARNING NOW IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...AREAS OF NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS TO 65.
  ISOLATED GUSTS TO 75 MPH NEAR AND ALONG THE COASTAL SLOPES OF
  THE SANTA ANA MOUNTAINS.

* TIMING...STRONGEST AND MOST WIDESPREAD WINDS FOR LATE THIS
  MORNING INTO THIS EVENING.

* LOCATION...STRONG WINDS NEAR AND ALONG THE COASTAL SLOPES OF THE
  THE SANTA ANA MOUNTAINS AND THROUGH AND BELOW PASSES AND
  CANYONS.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO GUSTY CROSS WINDS. POCKETS OF DAMAGE POSSIBLE 
  TO TREES... POWERLINES... AND ALSO LOOSELY SECURED HOLIDAY 
  DECORATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ043-262130-
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
/O.EXA.KSGX.FR.Y.0013.000000T0000Z-151226T1600Z/
/O.EXT.KSGX.WI.Y.0037.151226T1118Z-151227T0000Z/
SAN DIEGO COUNTY COASTAL AREAS-
318 AM PST SAT DEC 26 2015

...FROST ADVISORY IN EFFECT UNTIL 8 AM PST THIS MORNING...
...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM PST THIS MORNING. A
FROST ADVISORY HAS ALSO BEEN ISSUED FROM 8 PM THIS EVENING TO
8 AM PST SUNDAY. 

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH. STRONGEST AND MOST WIDESPREAD WINDS FOR LATE THIS MORNING
  INTO THIS AFTERNOON.

* TEMPERATURES...FALLING INTO THE LOWER TO MID 30S IN WIND
  SHELTERED LOCATIONS EARLY THIS MORNING...AND AGAIN LATE TONIGHT
  INTO SUNDAY MORNING WITH AREAS OF FROST.

* IMPACTS...WATCH FOR DOWNED PALM FRONDS WHEN DRIVING. FROST CAN
  DAMAGE OR KILL SENSITIVE PLANTS AND CROPS.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ061-262130-
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
/O.EXB.KSGX.WI.Y.0037.151226T1118Z-151227T1100Z/
COACHELLA VALLEY-
318 AM PST SAT DEC 26 2015

...WIND ADVISORY IN EFFECT UNTIL 3 AM PST SUNDAY...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY. A WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY
IS IN EFFECT UNTIL 3 AM PST SUNDAY. 

* WINDS...AREAS OF OF NORTH WINDS 20 TO 30 MPH WITH GUSTS TO 45
  MPH. WINDS STRONGEST AND MOST WIDESPREAD ALONG AND NORTH AND
  EAST OF INTERSTATE 10 AND IN THE SOUTHERN COACHELLA VALLEY.

* TEMPERATURES...FALLING INTO THE UPPER 20S TO MID 30S LATE
  TONIGHT INTO SUNDAY MORNING WITH AREAS OF FROST.

* VISIBILITY...REDUCED AT TIMES IN BLOWING SAND AND BLOWING DUST.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE VEHICLES
  DUE TO GUSTY CROSS WINDS. POSSIBLE DAMAGE TO LOOSELY SECURED
  HOLIDAY DECORATIONS. FROST CAN DAMAGE OR KILL SENSITIVE PLANTS
  AND CROPS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

CAZ062-262130-
/O.NEW.KSGX.FR.Y.0014.151227T0400Z-151227T1600Z/
SAN DIEGO COUNTY DESERTS-
318 AM PST SAT DEC 26 2015

...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PST
SUNDAY. 

* TEMPERATURES...FALLING INTO THE LOWER TO MID 30S FOR LATE
  TONIGHT INTO SUNDAY MORNING WITH AREAS OF FROST.

* IMPACTS...FROST CAN DAMAGE OR KILL SENSITIVE PLANTS AND CROPS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

FOR A DETAILED MAP OF THE HAZARD:
WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=SGX

17

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
830 AM PST FRI DEC 25 2015

.SYNOPSIS... FAIR AND SEASONALLY COOL ACROSS SOUTHERN CALIFORNIA
THIS CHRISTMAS DAY. MOSTLY CLEAR AND QUITE COOL THIS EVENING WITH A
FEW SNOW SHOWERS POSSIBLE ACROSS THE NORTHERN MOUNTAINS. LATE
TONIGHT...OFFSHORE PRESSURE GRADIENTS WILL BE INCREASING WITH GUSTY
NORTHEAST WINDS SURFACING SATURDAY MORNING BELOW THE PASSES AND
CANYONS. THE STRONG NORTHEAST WINDS ALONG COASTAL MOUNTAIN SLOPES
AND ADJACENT AREAS WILL SPREAD SOUTHWARD DURING THE DAY...PEAKING
SATURDAY EVENING AND WEAKENING SUNDAY. THE NIGHTS WILL BE COLD.
FROST AND FREEZING CONDITIONS ARE LIKELY IN WIND SHELTERED AREAS.
SLOW DAYTIME WARMING THROUGH THE WEEKEND. ANOTHER TROUGH OF LOW
PRESSURE WILL MOVE INLAND THROUGH THE WESTERN STATES LATE MONDAY AND
EARLY TUESDAY BRINGING ANOTHER CHANCE FOR LIGHT SHOWERS WITH LOW
SNOW LEVELS.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

A PRECIPITATION SUMMARY WAS ISSUED FOR THE SYSTEM OVERNIGHT. ALL
REPORTED AMOUNTS WERE UNDER ONE-QUARTER INCH. NO OFFICIAL SNOW
AMOUNTS WERE RECEIVED...BUT A DUSTING OF SNOW LIKELY FELL IN SOME
AREAS ABOVE 4500 FEET AS TEMPERATURES FELL OVERNIGHT AND THE
PRECIPITATION DIMINISHED.

SKIES WERE CLEAR TO PARTLY CLOUDY ACROSS THE REGION EARLY THIS
CHRISTMAS MORNING WITH SOME 15-25 MPH WESTERLY WINDS...AND ISOLATED
GUSTS OF 40-50 MPH BELOW THOSE ONSHORE WIND PRONE PASSES AND DESERT
SLOPES. STRONGEST PEAK GUST WAS 59 MPH AT EDOM HILL...BELOW THE SAN
GORGONIO PASS. AT 8 AM PST...ONSHORE SFC PRESSURE GRADIENTS TO THE
DESERTS WERE RUNNING AROUND 5 MBS. THE 12Z MIRAMAR SOUNDING HAD A
DEEP MOIST LAYER TO 8K FT... TOPPED BY A WEAK 3 DEGREE C INVERSION.
PW WAS STILL AROUND 0NE-HALF INCH.

A WIND ADVISORY REMAINS IN EFFECT FOR WIND-PRONE DESERT SLOPES AND
ADJACENT DESERTS THROUGH 10 AM PST. THIS WILL LIKELY BE ALLOWED TO
EXPIRE TO ALLOW FORMULATION OF THE NEXT LAXNPWSGX FOR OFFSHORE WIND
AND FROST.

SEASONALLY COOL TODAY...THEN COLD OVERNIGHT WITH SOME FROST POSSIBLE
WEST OF THE MOUNTAINS WHERE THE SKY IS CLEAR AND WIND LIGHT.
MOIST...UPSLOPE FLOW ONTO THE SAN BERNARDINO MTS MAY GENERATE A FEW
SNOW FLURRIES THIS EVENING/OVERNIGHT. CONTINUED COOL ON SATURDAY...
AND BREEZY TO WINDY IN MANY AREAS ALONG AND WEST OF THE COASTAL
SLOPES AS STRONG SURFACE HIGH PRESSURE DEVELOPS IN THE GREAT BASIN.
GUSTY NE WINDS WILL CONTINUE INTO SAT NIGHT BEFORE WEAKENING ON
SUNDAY. VERY DRY...AND A LITTLE WARMER ON SUN UNDER FAIR SKIES.

FROM PREVIOUS DISCUSSION....

.LONG TERM (MONDAY THROUGH THURSDAY)... ANOTHER COLD LOW PRESSURE
SYSTEM WILL MOVE INLAND IN THE SOUTHWEST STATES LATE MONDAY THROUGH
EARLY TUESDAY. THIS WILL BRING A CHANCE OF SHOWERS FOR LATE MONDAY
THROUGH EARLY TUESDAY WITH LOW SNOW LEVELS. IF SHOWERS PERSIST LATE
ENOUGH MONDAY NIGHT...SNOW LEVELS COULD BE LOW ENOUGH FOR SNOW IN
THE INLAND VALLEYS AS WELL AS THE MOUNTAINS AND UPPER DESERTS.
BEHIND THIS LOW PRESSURE SYSTEM...SURFACE HIGH PRESSURE OVER THE
GREAT BASIN WILL BRING PERIODS OF GUSTY NORTHEAST WINDS. HIGH
PRESSURE ALOFT OFF THE WEST COAST WILL MOVE SLOWLY EASTWARD BRINGING
A SLOW WARMING TREND. COLD NIGHTS WITH FROST IN THE INLAND VALLEYS
AND LOWER DESERTS WILL SLOWLY MODERATE FOR TUESDAY THROUGH THURSDAY.

&&

.AVIATION...

251615Z...COAST/VALLEYS...FEW-SCT CLOUDS AOA 3500 FT MSL AFTER
15Z...CLEARING TONIGHT. GUSTY NORTHEAST WINDS 15-25 KT WITH GUSTS TO
40 KT DEVELOPING BELOW THE CAJON PASS AND INLAND ORANGE COUNTY AFTER
26/09Z WITH AREAS OF STG UP/DOWNDRAFTS AND LLWS.

MOUNTAINS/DESERTS...MOSTLY CLEAR SKIES THROUGH SATURDAY. WEST WINDS
THIS MORNING WILL WEAKEN THIS AFTERNOON AND EVENING. STRONG
NORTHEAST WINDS WILL DEVELOP AFTER 26/09Z ALONG THE RIDGES AND
THROUGH THE PASSES/CANYONS IN THE SAN BERNARDINO AND SANTA ANA
MTNS...SURFACING DURING THE EARLY MORNING WITH GUSTS UP TO 35-45 KT
AT TIMES IN THE DOWNWIND VALLEYS. STRONG UP/DOWNDRAFTS AND LLWS WILL
ACCOMPANY THE GUSTY WINDS...ESPECIALLY WEST OF THE RIDGETOPS AND
AT/NEAR KONT AND KSNA.

&&

.MARINE... 815 AM...WEST-NORTHWEST WINDS 15-20 KT WITH GUSTS 25-30
KT AND STEEP WAVES THROUGH EARLY SATURDAY MORNING. A SMALL CRAFT
ADVISORY REMAINS IN EFFECT THROUGH 2 AM SATURDAY. WINDS WILL SWITCH
TO NORTHEAST SATURDAY MORNING WITH LOCALLY STRONG WINDS POSSIBLE
THROUGH SATURDAY EVENING. LIGHTER WINDS WILL PREVAIL FOR SUNDAY AND
MONDAY...WITH AN INCREASE IN NORTHWEST WINDS AGAIN MONDAY EVENING AS
ANOTHER WEAK FRONT MOVES THROUGH.

&&

.BEACHES... 815 AM...VERY HIGH TIDE WILL AGAIN OCCUR THIS
MORNING...AROUND 7.6 FEET AT SAN DIEGO BAY INCLUDING THE 0.5 FOOT
ADJUSTMENT DUE TO RECENT OBSERVATIONS. THIS WILL RESULT IN MINOR
COASTAL FLOODING OF LOWEST LYING AREAS THIS MORNING. SURF OF 3 TO 5
FEET WILL ADD TO THE COASTAL FLOODING THREAT. FOR DETAILS CHECK THE
COASTAL FLOOD ADVISORY...LAXCFWSGX. THE COASTAL FLOOD ADVISORY WILL
BE ALLOWED TO EXPIRE AT 10 AM ONCE THE TIDE HAS LOWERED.

&&

.SKYWARN...
SKYWARN ACTIVATION IS NOT REQUESTED. HOWEVER WEATHER SPOTTERS ARE
ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...WIND ADVISORY UNTIL 10 AM PST THIS MORNING FOR APPLE AND LUCERNE
     VALLEYS-COACHELLA VALLEY-RIVERSIDE COUNTY MOUNTAINS-SAN
     BERNARDINO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-SAN
     DIEGO COUNTY MOUNTAINS-SAN GORGONIO PASS NEAR BANNING.

     COASTAL FLOOD ADVISORY UNTIL 10 AM PST THIS MORNING FOR ORANGE
     COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS.

PZ...SMALL CRAFT ADVISORY UNTIL 2 AM PST SATURDAY FOR COASTAL WATERS
     FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT TO 30 NM-
     WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING
     30 TO 60 NM OUT INCLUDING SAN CLEMENTE ISLAND.

&&

PUBLIC...JAD/17
AVIATION/MARINE/BEACHES...TS