Alert archive / California / Wind Advisories in 2015

Wind Advisory 32, NWS San Diego, CA

December 10, 20154 counties in California

NWS San Diego, CA issued this wind advisory at Dec 10, 2015, 2:21 AM PST for 4 counties in California. It took effect at Dec 10, 2015, 4:00 PM PST. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2015, 2:21 AM PST (10:21 UTC)
In effect from
Dec 10, 2015, 4:00 PM PST
Expired
Dec 11, 2015, 8:11 PM PST
In force
28 hr
Issued by
NWS San Diego, CA

Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 10:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

San Diego, CA (KNKX), launched 00:00Z, 10.4 hours before the alert went out and 124 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 00:00Z on 2015-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 00:00Z on 2015-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3256 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

763 
WWUS76 KSGX 101021
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
221 AM PST THU DEC 10 2015

...AREAS OF DENSE FOG IN THE COASTAL AREAS THIS MORNING...

...STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS THIS EVENING
INTO FRIDAY EVENING...

.DENSE FOG HAS REDUCED VISIBILITIES TO LESS THAN A QUARTER MILE IN
COASTAL AREAS THIS MORNING. THE DENSE FOG WILL CONTINUE THROUGH
SUNRISE AND THEN BEGIN TO LIFT AND/OR CLEAR AFTER 8 AM.

A LOW PRESSURE TROUGH RIDING A STRONG JET STREAM WILL MOVE INTO
SOUTHERN CALIFORNIA THIS EVENING. IT WILL BRING STRONG GUSTY
WESTERLY WINDS...STRONGEST ON THE MOUNTAIN CRESTS OF SAN DIEGO
AND RIVERSIDE COUNTIES...ALONG THE ADJACENT DESERT MOUNTAIN
SLOPES...AND THROUGH AND BELOW THE SAN GORGONIO PASS IN THE
NORTHERN COACHELLA VALLEY. WINDS WILL PEAK TONIGHT THROUGH FRIDAY
MORNING AND GRADUALLY WEAKEN LATE FRIDAY.

CAZ056-058-065-102130-
/O.UPG.KSGX.HW.A.0004.151211T0600Z-151212T0600Z/
/O.NEW.KSGX.HW.W.0004.151211T0000Z-151212T0300Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
221 AM PST THU DEC 10 2015

...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM PST
FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* WINDS...WEST TO NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS 60 MPH 
  AND LOCAL GUSTS TO 70 MPH. 

* TIMING...THIS EVENING THROUGH FRIDAY EVENING.

* LOCATION...OVER THE RIDGES AND UPPER PORTIONS OF THE DESERT 
  SLOPES OF THE SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS AND 
  THROUGH AND BELOW THE SAN GORGONIO PASS IN THE NORTHERN 
  COACHELLA VALLEY. 

* VISIBILITY...LOCALLY REDUCED TO 5 MILES OR LESS IN BLOWING 
  DUST IN THE DESERTS. 

* IMPACTS...WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS ALONG 
  INTERSTATE 10 THROUGH THE SAN GORGONIO PASS AND INTERSTATE 8 
  THROUGH THE SAN DIEGO COUNTY MOUNTAINS. WINDS OF THIS STRENGTH 
  MAY CAUSE DAMAGE TO TREES...POWER LINES...AND UNSECURED 
  OUTDOOR OBJECTS. 

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.

&&

$$

CAZ055-060>062-102130-
/O.NEW.KSGX.WI.Y.0032.151211T0000Z-151212T0300Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
221 AM PST THU DEC 10 2015

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 PM
PST FRIDAY. 

* WINDS...WESTERLY 20 TO 30 MPH WITH GUSTS TO 45 MPH. LOCAL GUSTS
  TO 55 MPH.

* TIMING...THIS EVENING THROUGH FRIDAY EVENING.

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN CRESTS AND EASTERN
  SLOPES OF THE SAN BERNARDINO MOUNTAINS AND IN THE NORTHERN
  COACHELLA VALLEY.

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN PARTS OF
  THE DESERT. 

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.

&&

$$

CAZ552-554-101600-
/O.CON.KSGX.FG.Y.0016.000000T0000Z-151210T1600Z/
ORANGE COUNTY COASTAL AREAS-ORANGE COUNTY INLAND AREAS-
221 AM PST THU DEC 10 2015

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING...

* LOCATION...WITHIN 15 MILES OF THE COAST.

* VISIBILITY...LESS THAN ONE-QUARTER MILE.

* IMPACTS...VERY LOW VISIBILITY WILL MAKE TRAVEL SLOW AND DIFFICULT
  NEAR THE COAST DURING THE MORNING COMMUTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF
YOU.

&&

$$

CAZ043-101600-
/O.CON.KSGX.FG.Y.0016.000000T0000Z-151210T1600Z/
SAN DIEGO COUNTY COASTAL AREAS-
221 AM PST THU DEC 10 2015

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING...

* LOCATION...WITHIN 15 MILES OF THE COAST.

* VISIBILITY...LESS THAN ONE-QUARTER MILE.

* IMPACTS...VERY LOW VISIBILITY WILL MAKE TRAVEL SLOW AND
  DIFFICULT NEAR THE COAST DURING THE MORNING COMMUTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF
YOU.

&&

$$

MM
7 follow-up statements
523 
WWUS76 KSGX 101235
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
435 AM PST THU DEC 10 2015

...AREAS OF DENSE FOG IN THE COASTAL AREAS THIS MORNING...

...STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS THIS EVENING
INTO FRIDAY EVENING...

.DENSE FOG HAS REDUCED VISIBILITIES TO LESS THAN A QUARTER MILE
IN COASTAL AREAS THIS MORNING. THE DENSE FOG WILL CONTINUE
THROUGH SUNRISE AND THEN BEGIN TO LIFT AND/OR CLEAR BY 10 AM.

A LOW PRESSURE TROUGH RIDING A STRONG JET STREAM WILL MOVE INTO
SOUTHERN CALIFORNIA THIS EVENING. IT WILL BRING STRONG GUSTY
WESTERLY WINDS...STRONGEST ON THE MOUNTAIN CRESTS OF SAN DIEGO
AND RIVERSIDE COUNTIES...ALONG THE ADJACENT DESERT MOUNTAIN
SLOPES...AND THROUGH AND BELOW THE SAN GORGONIO PASS IN THE
NORTHERN COACHELLA VALLEY. WINDS WILL PEAK TONIGHT THROUGH FRIDAY
MORNING AND GRADUALLY WEAKEN LATE FRIDAY.

CAZ056-058-065-101830-
/O.CON.KSGX.HW.W.0004.151211T0000Z-151212T0300Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
435 AM PST THU DEC 10 2015

...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 7 PM PST FRIDAY...

* WINDS...WEST TO NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS 60 MPH 
  AND LOCAL GUSTS TO 70 MPH. 

* TIMING...THIS EVENING THROUGH FRIDAY EVENING.

* LOCATION...OVER THE RIDGES AND UPPER PORTIONS OF THE DESERT 
  SLOPES OF THE SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS AND 
  THROUGH AND BELOW THE SAN GORGONIO PASS IN THE NORTHERN 
  COACHELLA VALLEY. 

* VISIBILITY...LOCALLY REDUCED TO 5 MILES OR LESS IN BLOWING 
  DUST IN THE DESERTS. 

* IMPACTS...WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS ALONG 
  INTERSTATE 10 THROUGH THE SAN GORGONIO PASS AND INTERSTATE 8 
  THROUGH THE SAN DIEGO COUNTY MOUNTAINS. WINDS OF THIS STRENGTH 
  MAY CAUSE DAMAGE TO TREES...POWER LINES...AND UNSECURED 
  OUTDOOR OBJECTS. 

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.

&&

$$

CAZ043-552-554-101800-
/O.EXT.KSGX.FG.Y.0016.000000T0000Z-151210T1800Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
ORANGE COUNTY INLAND AREAS-
435 AM PST THU DEC 10 2015

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* LOCATION...WITHIN 15 MILES OF THE COAST.

* VISIBILITY...LESS THAN ONE-QUARTER MILE.

* IMPACTS...VERY LOW VISIBILITY WILL MAKE TRAVEL SLOW AND 
  DIFFICULT NEAR THE COAST DURING THE MORNING COMMUTE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF
YOU.

&&

$$

CAZ055-060>062-101830-
/O.CON.KSGX.WI.Y.0032.151211T0000Z-151212T0300Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
435 AM PST THU DEC 10 2015

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM PST FRIDAY...

* WINDS...WESTERLY 20 TO 30 MPH WITH GUSTS TO 45 MPH. LOCAL 
  GUSTS TO 55 MPH. 

* TIMING...THIS EVENING THROUGH FRIDAY EVENING.

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN CRESTS AND EASTERN 
  SLOPES OF THE SAN BERNARDINO MOUNTAINS AND IN THE NORTHERN 
  COACHELLA VALLEY. 

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN PARTS OF 
  THE DESERT. 

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.

&&

$$

MM
693 
WWUS76 KSGX 101730
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
930 AM PST THU DEC 10 2015

...STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS FROM THIS
EVENING THROUGH FRIDAY EVENING...

A WEATHER SYSTEM RIDING ALONG A STRONG JET STREAM WILL BRING
STRONG GUSTY WESTERLY WINDS TO OUR REGION THIS EVENING THROUGH
FRIDAY EVENING. THE STRONGEST WINDS WILL BE ALONG THE MOUNTAIN
RIDGES OF SAN DIEGO AND RIVERSIDE COUNTIES...ALONG THE ADJACENT
DESERT MOUNTAIN SLOPES...AND THROUGH AND BELOW SAN GORGONIO PASS
IN THE NORTHERN COACHELLA VALLEY. WINDS WILL PEAK LATE TONIGHT
THROUGH FRIDAY MORNING...THEN GRADUALLY WEAKEN LATE FRIDAY.

CAZ043-552-554-101830-
/O.CAN.KSGX.FG.Y.0016.000000T0000Z-151210T1800Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
ORANGE COUNTY INLAND AREAS-
930 AM PST THU DEC 10 2015

...DENSE FOG ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE DENSE
FOG ADVISORY. 

VISIBILITY CONDITIONS HAVE IMPROVED THIS MORNING ALONG THE
COASTAL STRIP. PATCHY LIGHT FOG WILL CONTINUE TO BE NOTED THROUGH
LATE MORNING...ESPECIALLY ALONG THE BEACHES.

$$

CAZ056-058-065-110230-
/O.CON.KSGX.HW.W.0004.151211T0000Z-151212T0300Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
930 AM PST THU DEC 10 2015

...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 7 PM PST FRIDAY...

* WINDS...WEST TO NORTHWEST WINDS 30 TO 40 MPH WITH OCCASIONAL
  GUSTS UP TO 70 MPH.

* TIMING...STRONGEST WINDS LATE TONIGHT AND FRIDAY MORNING. WINDS
  DIMINISHING FRIDAY EVENING.

* LOCATION...OVER THE MOUNTAIN RIDGES AND DESERT SLOPES OF THE
  SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS...AND THROUGH AND BELOW
  SAN GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY.

* VISIBILITY...REDUCED TO ONLY A FEW MILES AT TIMES IN THE
  DESERTS DUE TO BLOWING DUST.

* IMPACTS...HAZARDOUS TRAVEL ALONG INTERSTATE 10 THROUGH SAN
  GORGONIO PASS AND INTERSTATE 8 THROUGH THE SAN DIEGO COUNTY
  MOUNTAINS. ISOLATED PROPERTY DAMAGE...DOWNED TREES AND POWER
  LINES POSSIBLE.

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.

&&

$$

CAZ055-060>062-110230-
/O.CON.KSGX.WI.Y.0032.151211T0000Z-151212T0300Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
930 AM PST THU DEC 10 2015

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM PST FRIDAY...

* WINDS...WESTERLY 20 TO 30 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING...THIS EVENING THROUGH FRIDAY EVENING.

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN RIDGETOPS...THE
  EASTERN SLOPES OF THE SAN BERNARDINO MOUNTAINS...AND IN THE
  NORTHERN COACHELLA VALLEY.

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN PARTS OF
  THE DESERT. BLOWING DUST POSSIBLE AT TIMES. 

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
599 
WWUS76 KSGX 102234
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
234 PM PST THU DEC 10 2015

...STRONG AND GUSTY WESTERLY WINDS THROUGH FRIDAY EVENING...

A WEATHER SYSTEM RIDING ALONG A STRONG JET STREAM WILL BRING
STRONG GUSTY WESTERLY WINDS TO OUR REGION FROM THIS EVENING
THROUGH FRIDAY EVENING. THE STRONGEST WINDS WILL BE ALONG THE
MOUNTAIN RIDGES OF SAN DIEGO AND RIVERSIDE COUNTIES...ALONG THE
ADJACENT DESERT MOUNTAIN SLOPES...AND THROUGH AND BELOW SAN
GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. WINDS WILL PEAK
LATE TONIGHT THROUGH FRIDAY MORNING...THEN GRADUALLY WEAKEN BY
FRIDAY EVENING.

CAZ056-058-065-110645-
/O.EXT.KSGX.HW.W.0004.151211T0000Z-151212T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
234 PM PST THU DEC 10 2015

...HIGH WIND WARNING NOW IN EFFECT UNTIL 10 PM PST FRIDAY...

* WINDS...WEST TO NORTHWEST WINDS 30 TO 40 MPH WITH OCCASIONAL 
  GUSTS UP TO 70 MPH. 

* TIMING...STRONGEST WINDS LATE TONIGHT AND FRIDAY MORNING. 
  WINDS DIMINISHING BY FRIDAY EVENING. 

* LOCATION...OVER THE MOUNTAIN RIDGES AND DESERT SLOPES OF THE 
  SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS...AND THROUGH AND 
  BELOW SAN GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. 

* VISIBILITY...REDUCED TO ONLY A FEW MILES AT TIMES IN THE 
  DESERTS DUE TO BLOWING DUST. 

* IMPACTS...HAZARDOUS TRAVEL ALONG INTERSTATE 10 THROUGH SAN 
  GORGONIO PASS AND INTERSTATE 8 THROUGH THE SAN DIEGO COUNTY 
  MOUNTAINS. ISOLATED PROPERTY DAMAGE...DOWNED TREES AND POWER 
  LINES POSSIBLE. 

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.

&&

$$

CAZ055-060>062-110645-
/O.EXT.KSGX.WI.Y.0032.151211T0000Z-151212T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
234 PM PST THU DEC 10 2015

...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST FRIDAY...

* WINDS...WESTERLY 20 TO 30 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING...THIS EVENING THROUGH FRIDAY EVENING. THE STRONGEST
  WINDS WILL BE LATE TONIGHT AND FRIDAY MORNING. DECREASING WINDS
  FRIDAY EVENING.

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN RIDGETOPS...THE 
  EASTERN SLOPES OF THE SAN BERNARDINO MOUNTAINS...AND IN THE 
  NORTHERN COACHELLA VALLEY. 

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN PARTS OF 
  THE DESERT. BLOWING DUST POSSIBLE AT TIMES. 

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
120 
WWUS76 KSGX 110441 AAA
NPWSGX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SAN DIEGO CA
841 PM PST THU DEC 10 2015

UPDATED TO INCLUDE COASTAL SAN DIEGO AND ORANGE COUNTIES IN THE
WIND ADVISORY.

...STRONG AND GUSTY WESTERLY WINDS THROUGH FRIDAY EVENING...

A POTENT STORM WILL MOVE ACROSS SOUTHERN CALIFORNIA FRIDAY
AND BRING STRONG...GUSTY WEST WINDS THROUGH FRIDAY EVENING. THE
STRONGEST WINDS WILL BE ALONG THE MOUNTAIN RIDGES OF SAN DIEGO AND
RIVERSIDE COUNTIES...ALONG THE ADJACENT DESERT MOUNTAIN
SLOPES...AND THROUGH AND BELOW SAN GORGONIO PASS IN THE NORTHERN
COACHELLA VALLEY. STRONG WEST WINDS WILL ALSO IMPACT THE COASTAL
AREAS FRIDAY AFTERNOON. THE WINDS WILL GRADUALLY WEAKEN FRIDAY
EVENING.

CAZ056-058-065-111400-
/O.CON.KSGX.HW.W.0004.000000T0000Z-151212T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
841 PM PST THU DEC 10 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY...

* WINDS...WEST TO NORTHWEST WINDS 30 TO 40 MPH WITH PEAK GUSTS UP
  TO 70 MPH.

* TIMING...STRONGEST WINDS LATE TONIGHT THROUGH FRIDAY AFTERNOON.
  WINDS DIMINISHING FRIDAY EVENING.

* LOCATION...OVER THE MOUNTAIN RIDGES AND DESERT SLOPES OF THE 
  SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS...AND THROUGH AND 
  BELOW SAN GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. 

* VISIBILITY...REDUCED IN BLOWING DUST AND SAND IN THE NORTHERN
  COACHELLA VALLEY. 

* IMPACTS...HAZARDOUS TRAVEL ALONG INTERSTATE 10 THROUGH SAN 
  GORGONIO PASS AND INTERSTATE 8 THROUGH THE SAN DIEGO COUNTY 
  MOUNTAINS. ISOLATED PROPERTY DAMAGE...DOWNED TREES AND POWER 
  LINES POSSIBLE. 

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.

&&

$$

CAZ043-552-111400-
/O.EXB.KSGX.WI.Y.0032.151211T2000Z-151212T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
841 PM PST THU DEC 10 2015

...WIND ADVISORY IN EFFECT FROM NOON TO 8 PM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 8 PM PST FRIDAY. 

* WINDS...WESTERLY 15 TO 30 MPH WITH GUSTS TO 40 MPH.

* TIMING...STRONGEST WINDS FRIDAY AFTERNOON. DECREASING WINDS
  FRIDAY EVENING.

* LOCATION...THE BEACHES AND COMMUNITIES WITHIN A FEW MILES OF
  THE COAST.

* IMPACTS...BLOWING SAND AT THE BEACHES. POTENTIAL FOR SHALLOW
  ROOTED TREES TO TOPPLE. DOWNED PALM FRONDS. 

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.

&&

$$

CAZ055-060>062-111400-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-151212T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
841 PM PST THU DEC 10 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY...

* WINDS...WESTERLY 20 TO 30 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING...THIS EVENING THROUGH FRIDAY EVENING. THE STRONGEST
  WINDS WILL BE FRIDAY AFTERNOON. DECREASING WINDS FRIDAY
  EVENING.

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN RIDGETOPS...THE
  EASTERN SLOPES OF THE SAN BERNARDINO MOUNTAINS...AND THE
  NORTHERN COACHELLA VALLEY.

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN PARTS OF
  THE DESERT. REDUCED VISIBILITIES IN BLOWING DUST.

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.

&&

$$

MOEDE
418 
WWUS76 KSGX 111327
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
527 AM PST FRI DEC 11 2015

UPDATED TO INCLUDE COASTAL SAN DIEGO AND ORANGE COUNTIES IN THE
WIND ADVISORY.

...STRONG AND GUSTY WEST WINDS THROUGH THIS EVENING...

A STORM MOVING THROUGH TODAY WILL BRING STRONG GUSTY WEST WINDS
THROUGH THIS EVENING. THE STRONGEST WINDS WILL BE ALONG THE
MOUNTAIN RIDGES OF SAN DIEGO AND RIVERSIDE COUNTIES...ALONG THE
ADJACENT DESERT MOUNTAIN SLOPES...AND THROUGH AND BELOW SAN
GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. STRONG WEST WINDS
WILL ALSO IMPACT THE COASTAL AREAS THIS AFTERNOON. WINDS WILL
GRADUALLY WEAKEN THIS EVENING.

CAZ056-058-065-112200-
/O.CON.KSGX.HW.W.0004.000000T0000Z-151212T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
527 AM PST FRI DEC 11 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WINDS...WEST TO NORTHWEST WINDS 30 TO 40 MPH WITH GUSTS 55 TO 65
  MPH. ISOLATED GUSTS TO 70 MPH POSSIBLE IN THE MORNING.

* TIMING...STRONGEST WINDS THROUGH THE EARLY AFTERNOON. WINDS
  DIMINISHING THIS EVENING.

* LOCATION...OVER THE MOUNTAIN RIDGES AND DESERT SLOPES OF THE 
  SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS...AND THROUGH AND 
  BELOW SAN GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. 

* VISIBILITY...REDUCED IN BLOWING DUST AND SAND IN THE NORTHERN 
  COACHELLA VALLEY. 

* IMPACTS...HAZARDOUS TRAVEL ALONG INTERSTATE 10 THROUGH SAN 
  GORGONIO PASS AND INTERSTATE 8 THROUGH THE SAN DIEGO COUNTY 
  MOUNTAINS. ISOLATED PROPERTY DAMAGE...DOWNED TREES AND POWER 
  LINES POSSIBLE. 

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.

&&

$$

CAZ055-060>062-112200-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-151212T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
527 AM PST FRI DEC 11 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WINDS...WEST 20 TO 30 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING...STRONGEST THROUGH THIS AFTERNOON...DECREASING THIS
  EVENING.

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN RIDGES AND ADJACENT
  DESERT FOOTHILLS.

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN PARTS OF 
  THE DESERT. REDUCED VISIBILITIES IN BLOWING DUST. 

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.

&&

$$

CAZ043-552-112200-
/O.CON.KSGX.WI.Y.0032.151211T2000Z-151212T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
527 AM PST FRI DEC 11 2015

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PST
THIS EVENING...

* WINDS...WESTERLY 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH.

* TIMING...STRONGEST WINDS THIS AFTERNOON...DECREASING THIS
  EVENING.

* LOCATION...THE BEACHES AND COMMUNITIES WITHIN A FEW MILES OF 
  THE COAST. 

* IMPACTS...BLOWING SAND AT THE BEACHES...MINOR DAMAGE TO TREES
  INCLUDING DOWNED PALM FRONDS.

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.

&&

$$

SS
446 
WWUS76 KSGX 112045
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1245 PM PST FRI DEC 11 2015

UPDATED TO INCLUDE COASTAL SAN DIEGO AND ORANGE COUNTIES IN THE
WIND ADVISORY.

...STRONG AND GUSTY WEST WINDS THROUGH THIS EVENING...

A WINTER STORM MOVING THROUGH THE REGION WILL BRING STRONG GUSTY
WEST WINDS THROUGH THIS EVENING. THE STRONGEST WINDS WILL BE ALONG
THE MOUNTAIN RIDGES OF SAN DIEGO AND RIVERSIDE COUNTIES...ALONG
THE ADJACENT DESERT MOUNTAIN SLOPES...AND THROUGH AND BELOW SAN
GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. STRONG WEST WINDS
WILL ALSO IMPACT THE COASTAL AREAS THIS AFTERNOON. WINDS WILL
GRADUALLY WEAKEN THIS EVENING.

CAZ056-058-065-120400-
/O.CON.KSGX.HW.W.0004.000000T0000Z-151212T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
1245 PM PST FRI DEC 11 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WINDS...WEST TO NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO
  55 MPH.

* TIMING...STRONGEST WINDS IN THE EARLY AFTERNOON. WINDS
  DIMINISHING THIS EVENING.

* LOCATION...OVER THE MOUNTAIN RIDGES AND DESERT SLOPES OF THE 
  SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS...AND THROUGH AND 
  BELOW SAN GORGONIO PASS IN THE NORTHERN COACHELLA VALLEY. 

* VISIBILITY...REDUCED IN BLOWING DUST AND SAND IN THE NORTHERN
  COACHELLA VALLEY. LOCALLY REDUCED AT TIMES WITH SNOW IN THE HIGH
  ELEVATIONS OF THE MOUNTAINS.

* IMPACTS...HAZARDOUS TRAVEL ALONG INTERSTATE 10 THROUGH SAN 
  GORGONIO PASS AND INTERSTATE 8 THROUGH THE SAN DIEGO COUNTY 
  MOUNTAINS. ISOLATED PROPERTY DAMAGE...DOWNED TREES AND POWER 
  LINES POSSIBLE. 

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.

&&

$$

CAZ055-060>062-120400-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-151212T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
1245 PM PST FRI DEC 11 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WINDS...WEST 20 TO 30 MPH WITH GOATS TO 45 MPH.

* TIMING...STRONGEST THROUGH THIS AFTERNOON...DECREASING THIS 
  EVENING. 

* LOCATION...STRONGEST WINDS ALONG MOUNTAIN RIDGES AND ADJACENT 
  DESERT FOOTHILLS. 

* IMPACTS...CROSSWINDS MAY CAUSE DIFFICULTY DRIVING IN SOME AREAS.

* VISIBILITY...REDUCED IN BLOWING DUST AND SAND IN THE NORTHERN
  COACHELLA VALLEY. LOCALLY REDUCED AT TIMES WITH SNOW IN THE HIGH
  ELEVATIONS OF THE MOUNTAINS.

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.

&&

$$

CAZ043-552-120400-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-151212T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
1245 PM PST FRI DEC 11 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

* WINDS...WESTERLY 15 TO 25 MPH WITH GUSTS 30 TO 40 MPH.

* TIMING...STRONGEST WINDS THIS AFTERNOON...DECREASING THIS 
  EVENING. 

* LOCATION...THE BEACHES AND COMMUNITIES WITHIN A FEW MILES OF 
  THE COAST. 

* IMPACTS...BLOWING SAND AT THE BEACHES...MINOR DAMAGE TO TREES 
  INCLUDING DOWNED PALM FRONDS. 

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.

&&

$$
917 
WWUS76 KSGX 120411
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
811 PM PST FRI DEC 11 2015

...WINDS HAVE DECREASED BELOW ALERT LEVELS...BUT WILL REMAIN
BLUSTERY OVERNIGHT...

CAZ056-058-065-120515-
/O.CAN.KSGX.HW.W.0004.000000T0000Z-151212T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN GORGONIO PASS NEAR BANNING-
811 PM PST FRI DEC 11 2015

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE HIGH
WIND WARNING.

OCCASIONAL WIND GUSTS OF 30 TO 40 MPH WILL CONTINUE OVERNIGHT.

$$

CAZ055-060>062-120515-
/O.CAN.KSGX.WI.Y.0032.000000T0000Z-151212T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
811 PM PST FRI DEC 11 2015

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND
ADVISORY. 

OCCASIONAL WIND GUSTS OF 20 TO 30 MPH WILL CONTINUE OVERNIGHT.

$$

CAZ043-552-120515-
/O.EXP.KSGX.WI.Y.0032.000000T0000Z-151212T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
811 PM PST FRI DEC 11 2015

...WIND ADVISORY HAS EXPIRED...

OCCASIONAL WIND GUSTS OF 20 TO 30 MPH WILL CONTINUE OVERNIGHT.

$$

JMB

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this wind advisory went out at Dec 9, 9:30 PM PST, 4 hours 51 minutes earlier.

Area forecast discussion, Dec 9, 9:30 PM PST, 4 hours 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
930 PM PST WED DEC 9 2015

.SYNOPSIS...
DENSE FOG FROM A SHALLOW MARINE LAYER WILL REDUCE VISIBILITIES
TO LESS THAN A QUARTER MILE IN THE SOME OF THE COASTAL AREAS
TONIGHT.  A DENSE FOG ADVISORY IS IN EFFECT UNTIL 8 AM THURSDAY.
COOLER THURSDAY AND FRIDAY WITH INCREASING CLOUDS...SCATTERED
SHOWERS...AND STRONG WINDS IN THE MOUNTAINS. LIGHT SNOW IS POSSIBLE
ABOVE 5000 FEET. GUSTY WINDS WILL IMPACT THE COASTAL WATERS WITH
HIGH SURF AND COASTAL FLOODING POSSIBLE FRIDAY AND SATURDAY DURING
HIGH TIDE. DRY AND SLIGHTLY WARMER OVER THE WEEKEND...THEN ANOTHER
CHANCE OF SHOWERS LATE SUNDAY INTO MONDAY NIGHT.

&&

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

DENSE FOG BLANKETED THE COASTAL AREAS AT 8 PM WITH 1/4 MILE VIS
AT FULLERTON...OCEANSIDE...CARLSBAD...MONTGOMERY FIELD AND BROWN
FIELD AT 8 PM. PRESSURE GRADIENTS REMAIN WEAKLY OFFSHORE SO
THERE WILL NOT BE MUCH CHANGE IN THE MARINE LAYER DEPTH FOR THE
NEXT SEVERAL HOURS. A DENSE FOG ADVISORY IS IN EFFECT UNTIL 8
AM THURSDAY. CLOUD BASES WILL BEGIN TO LIFT LATE TONIGHT OR EARLY
THURSDAY MORNING ONCE THE PRESSURE GRADIENTS TREND MORE STRONGLY
ONSHORE AHEAD OF THE APPROACHING TROUGH OVER THE PACIFIC.

THE TROUGH WILL BRING QUITE A CHANGE FROM WHAT WE HAVE SEEN OVER THE
PAST 5 DAYS WHEN MAX TEMPS WERE WAY ABOVE AVERAGE. IN ADDITION TO
COLDER WEATHER...THIS POTENT STORM HAS A 120KT JET CORE THAT WILL
TRACK DIRECTLY OVER SOCAL FRIDAY MORNING BRINGING STRONG WINDS TO THE
MOUNTAINS AND DESERTS. 850 MB WINDS PEAK AT 50-55KT OVER THE MTNS.
A HIGH WIND WATCH IS IN EFFECT FOR THE SAN JACINTO AND SAN DIEGO
COUNTY MOUNTAINS...AS WELL AS THE SAN GORGONIO PASS.

SHOWERS WILL BEGIN MOVING INTO THE AREA THURSDAY EVENING. PRECIP
WILL START OUT LIGHT AND SCATTERED THURSDAY NIGHT...WITH BETTER
CHANCES FOR MODERATE SHOWERS OR PERHAPS EVEN A THUNDERSTORM FRIDAY
AFTERNOON WITH THE SURFACE COLD FRONT. THIS WILL BE COINCIDENT WITH
STRONG PVA AND COLD AIR ALOFT THAT WILL DESTABILIZE THE ATMOSPHERE.

FORECAST PRECIPITATION AMOUNTS REMAIN UNCHANGED FROM THE DAY SHIFT
WITH 0.05-0.15 INCHES FOR ORANGE COUNTY AND THE INLAND EMPIRE...0.10-
0.25 INCHES IN THE SAN DIEGO COUNTY COAST/VALLEYS...0.25-0.50 INCHES
IN THE SAN BERNARDINO AND RIVERSIDE COUNTY MOUNTAINS...0.35-0.75
INCHES IN THE SAN DIEGO COUNTY MOUNTAINS...AND A TRACE TO 0.05
INCHES IN THE DESERTS. SNOW LEVELS START OUT AT AROUND 8000-9000
FEET...THEN LOWER TO AROUND 6000 FEET LATE THURSDAY NIGHT...5500
FEET FRIDAY MORNING...5000 FEET FRIDAY AFTERNOON AND 4500 FEET
FRIDAY EVENING. A TRACE TO A FEW INCHES OF SNOW COULD OCCUR.

...FROM PREVIOUS DISCUSSION...

NORTHERLY FLOW ALOFT AND SOME WEAK OFFSHORE FLOW AT THE SURFACE WILL
KICK IN ON SATURDAY WITH SOME SLIGHT WARMING AND DRYING SATURDAY
INTO SUNDAY. BY LATE SUNDAY...WE TURN BACK ONSHORE WITH A POTENT BUT
FAST MOVING TROUGH BEGINNING TO MOVE DOWN THE WEST COAST. ALTHOUGH
THERE ARE DIFFERENCES IN THE TIMING...ALL THE GLOBAL MODELS INDICATE
THE TROUGH DIGGING DOWN INTO THE REGION LATE SUNDAY NIGHT THROUGH
MONDAY AFTERNOON...BRINGING MORE WIDESPREAD PRECIPITATION...WITH
SNOW LEVELS POSSIBLY DROPPING DOWN TO 3000-4000 FEET. A SECONDARY
WAVE INDICATED BY THE MODELS MAY BRING ADDITIONAL LIGHT SHOWERS
OVERNIGHT MONDAY. PRECIP AMOUNTS WITH THIS SYSTEM ONCE AGAIN APPEAR
TO BE LIGHT. HOWEVER...WINDS WILL ONCE AGAIN BE STRONG FOR THE SAME
LOCATIONS AS THE THURSDAY NIGHT/FRIDAY STORM. AS ONE WOULD
EXPECT...THE TROUGH WILL PRODUCE ANOTHER COOL DOWN...WITH DAY-TIME
HIGHS LOWERING TO 10-20 DEGREES BELOW NORMAL MONDAY AND TUESDAY.
WEAK OFFSHORE FLOW WILL OCCUR TUESDAY...AND CONTINUE INTO
WEDNESDAY...WITH SOME WARMING TAKING PLACE BY WEDNESDAY.

&&

.AVIATION...
100500Z...COAST/VALLEYS...FG WITH VIS TO 1/4 SM WILL CONTINUE ALONG
PORTIONS OF THE COAST OVERNIGHT. LOW CLOUD BASES WERE 300-700 FT MSL
WITH TOPS AROUND 900 FT MSL. A WEAK COASTAL EDDY WILL HELP LIFT
CEILINGS A FEW HUNDRED FEET OVERNIGHT. CONDITIONS WILL IMPROVE
AROUND 16Z THU MORNING. FEW/SCT LOW CLOUDS THROUGH THE DAY
THU...THEN POSSIBLE -SHRA THU EVENING.

MTNS/DESERTS...SCT HIGH CLOUDS WITH UNRESTRICTED VIS THROUGH THU
MORNING. COASTAL MTN SLOPES LOCALLY OBSCURED BELOW 4000 FT MSL IN
SCT-BKN LOW CLOUDS. -SHRA POSSIBLE BEGINNING THU EVENING. WEST WINDS
INCREASING THROUGHOUT THE DAY THURSDAY OVER MTN RIDGES AND ALONG
DESERT MTN SLOPES. WINDS WILL PEAK FRIDAY WITH GUSTS NEAR 60 KT
POSSIBLE.

&&

.MARINE...
900 PM...AREAS OF DENSE FOG WILL CONTINUE
OVERNIGHT...WITH VIS AS LOW AS 1/4 MILE. STRONG NORTHWEST
WINDS...AND A LARGE NW SWELL WILL ARRIVE THURSDAY NIGHT AND CONTINUE
THROUGH EARLY SUNDAY. SEE LAXMWWSGX FOR DETAIL ON THE SMALL CRAFT
ADVISORY IN EFFECT. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS
ARE POSSIBLE AT TIMES THU EVENING THROUGH EARLY SATURDAY.

&&

.BEACHES...
900 PM...A LARGE NORTHWEST SWELL WILL PRODUCE HIGH SURF
EARLY FRIDAY THROUGH SUNDAY MORNING. WINDS AND HIGH TIDES WILL
COMBINE WITH THE LARGE SWELL TO THREATEN BEACHES WITH MINOR FLOODING
AND EROSION. FOR DETAILS...SEE THE BEACH HAZARDS STATEMENT FOR
DETAILS...LAXCFWSGX.

&&

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

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...HIGH WIND WATCH FROM THURSDAY EVENING THROUGH FRIDAY EVENING FOR
     RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-SAN
     GORGONIO PASS NEAR BANNING.

     BEACH HAZARDS STATEMENT FROM LATE THURSDAY NIGHT THROUGH SUNDAY
     AFTERNOON FOR ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY
     COASTAL AREAS.

     DENSE FOG ADVISORY UNTIL 8 AM PST THURSDAY FOR ORANGE COUNTY
     COASTAL AREAS-ORANGE COUNTY INLAND AREAS-SAN DIEGO COUNTY
     COASTAL AREAS.

PZ...SMALL CRAFT ADVISORY FROM 4 PM THURSDAY TO 10 AM PST SUNDAY 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...MOEDE
AVIATION/MARINE/BEACHES...JJT

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 6:15 PM PSTDense Fog AdvisorySGXOrange, San Diego15 hr
Dec 9, 8:16 PM PSTSmall Craft AdvisorySGX34 hr
Dec 10, 1:37 AM PSTCoastal Flood AdvisorySGXOrange, San Diego3 days
Dec 10, 1:37 AM PSTHigh Surf AdvisorySGXOrange, San Diego5 days
Dec 10, 2:21 AM PSTHigh Wind WarningSGXRiverside, San Diego42 hr
Dec 10, 1:29 PM PSTHigh Surf WarningSGXSan Diego55 hr

Nearby

Wind Advisories in California, 2015Every wind advisory in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.