Alert archive / California / High Wind Watches in 2011

High Wind Watch 9, NWS San Diego, CA

December 4, 20114 counties in California

NWS San Diego, CA issued this high wind watch at Dec 4, 2011, 1:22 AM PST for 4 counties in California. It took effect at Dec 5, 2011, 4:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 4, 2011, 1:22 AM PST (09:22 UTC)
In effect from
Dec 5, 2011, 4:00 AM PST
Expired
Dec 4, 2011, 1:35 PM PST
In force
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 09:23 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, 9.4 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 2011-12-04Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 00:00Z on 2011-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.19395878Sfc1 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
3047 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
12 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.

508 
WWUS76 KSGX 040922
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
122 AM PST SUN DEC 4 2011

...STRONG GUSTY NORTH TO NORTHEAST WINDS FOR LATE TONIGHT THROUGH TUESDAY...

...COLD OVERNIGHT TEMPERATURES AND PATCHY FROST FOR COLDER...WIND
SHELTERED VALLEYS THROUGH EARLY MONDAY...

.A PAIR OF LOW PRESSURE SYSTEMS MOVING SOUTHWARD THROUGH THE
GREAT BASIN AND INTO ARIZONA WILL BRING PERIODS OF GUSTY
NORTH TO NORTHEAST WINDS TO PORTIONS OF SOUTHERN CALIFORNIA
THROUGH TUESDAY WITH COLD OVERNIGHT TEMPERATURES AND PATCHY FROST
IN COLDER WIND SHELTERED VALLEYS THROUGH EARLY MONDAY.

CAZ048-042200-
/O.CAN.KSGX.WI.Y.0045.000000T0000Z-111204T1600Z/
/O.NEW.KSGX.FR.Y.0009.111205T0600Z-111205T1600Z/
/O.NEW.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
/O.CON.KSGX.FR.Y.0008.000000T0000Z-111204T1600Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
122 AM PST SUN DEC 4 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY...
...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY. A HIGH WIND WATCH HAS ALSO BEEN ISSUED. THIS HIGH WIND
WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON.
THE WIND ADVISORY HAS BEEN CANCELLED. A FROST ADVISORY REMAINS IN
EFFECT UNTIL 8 AM PST THIS MORNING. 

* TIMING FOR FROST: THROUGH 8 AM...AND AGAIN LATE TONIGHT THROUGH
  EARLY MONDAY MORNING.

* LOCATION FOR FROST: COLDER WIND SHELTER LOCATIONS...MAINLY IN
  RIVERSIDE COUNTY PORTIONS OF THE INLAND EMPIRE SOUTHEAST OF THE
  91 FREEWAY.

* TEMPERATURES: TEMPERATURES WILL FALL INTO THE UPPER 20S TO MID
  30S FOR SEVERAL HOURS THROUGH EARLY THIS MORNING IN COLDER...
  WIND SHELTERED LOCATIONS. FOR LATE TONIGHT THROUGH EARLY MONDAY
  MORNING...TEMPERATURES WILL FALL INTO THE LOWER TO MID 30S FOR
  SEVERAL HOURS IN COLDER...WIND SHELTERED LOCATIONS.

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

* TIMING FOR WINDS: LOCALLY GUSTY WINDS WILL CONTINUE INTO THIS
  MORNING. STRONGER WINDS ARE EXPECTED TO TO DEVELOP TOWARDS
  MONDAY MORNING AND CONTINUE INTO MONDAY AFTERNOON. WINDS THAT
  ARE NOT QUITE AS STRONG ARE EXPECTED TO CONTINUE FOR MONDAY
  NIGHT INTO TUESDAY.

* WINDS: FOR THIS MORNING...AREAS OF NORTHEAST WINDS 15 TO 25 MPH
  WITH GUSTS TO 35 MPH BELOW PASSES AND CANYONS. FOR LATE TONIGHT
  THROUGH MONDAY...AREAS OF NORTHEAST WINDS 25 TO 35 MPH WITH
  GUSTS TO 60 MPH BELOW PASSES AND CANYONS. FOR MONDAY NIGHT
  THROUGH TUESDAY...AREAS OF NORTHEAST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 MPH BELOW PASSES AND CANYONS.

* IMPACT FOR WINDS: THE WINDS WILL MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR
  BROKEN TREE LIMBS AND DOWNED POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

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

&&

$$

CAZ042-055-057-042200-
/O.CAN.KSGX.WI.Y.0045.000000T0000Z-111204T1600Z/
/O.NEW.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
ORANGE COUNTY COASTAL AREAS-SAN BERNARDINO COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
122 AM PST SUN DEC 4 2011

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON. THE WIND ADVISORY HAS BEEN CANCELLED. 

* TIMING: LOCALLY GUSTY WINDS WILL CONTINUE INTO THIS MORNING.
  STRONGER WINDS ARE EXPECTED TO TO DEVELOP TOWARDS MONDAY MORNING
  AND CONTINUE INTO MONDAY AFTERNOON. WINDS THAT ARE NOT QUITE AS
  STRONG ARE EXPECTED TO CONTINUE FOR MONDAY NIGHT INTO TUESDAY.

* WINDS: FOR THIS MORNING...AREAS OF NORTHEAST WINDS 15 TO 25 MPH
  WITH GUSTS TO 35 MPH BELOW PASSES AND CANYONS. FOR LATE TONIGHT
  THROUGH MONDAY...AREAS OF NORTHEAST WINDS 25 TO 35 MPH WITH
  GUSTS TO 60 MPH BELOW PASSES AND CANYONS. FOR MONDAY NIGHT
  THROUGH TUESDAY...AREAS OF NORTHEAST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 MPH BELOW PASSES AND CANYONS.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ050-042200-
/O.NEW.KSGX.FR.Y.0009.111205T0600Z-111205T1600Z/
/O.CON.KSGX.FR.Y.0008.000000T0000Z-111204T1600Z/
SAN DIEGO COUNTY VALLEYS-
122 AM PST SUN DEC 4 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY. A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING. 

* TIMING: THROUGH 8 AM...AND AGAIN LATE TONIGHT THROUGH EARLY
  MONDAY MORNING.

* LOCATION: COLDER WIND SHELTER LOCATIONS...MAINLY LOWER LYING
  AREAS.

* TEMPERATURES: TEMPERATURES WILL FALL INTO THE MID 20S TO MID 30S
  FOR SEVERAL HOURS THROUGH EARLY THIS MORNING IN COLDER...WIND
  SHELTERED LOCATIONS. FOR LATE TONIGHT THROUGH EARLY MONDAY
  MORNING...TEMPERATURES WILL FALL INTO THE LOWER TO MID 30S FOR
  SEVERAL HOURS IN COLDER...WIND SHELTERED LOCATIONS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ061-042200-
/O.NEW.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
COACHELLA VALLEY-
122 AM PST SUN DEC 4 2011

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON. 

* TIMING: LATE TONIGHT THROUGH MONDAY.

* WINDS: AREAS OF NORTH TO NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS
  TO 60 MPH.

* LOCATION: STRONGEST WINDS MAINLY IN THE NORTH PORTION OF THE
  COACHELLA VALLEY AND NORTH OF INTERSTATE 10.

* VISIBILITY: LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN
  BLOWING DUST AND BLOWING SAND.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING DUST AND
  SAND COULD REDUCE VISIBILITY TO NEAR ZERO. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CURRENT WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/GMAP/INDEX.PHP

MAX DAILY WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/KML/WIND.PHP?WFO=SGX

MARTIN
2 follow-up statements
221 
WWUS76 KSGX 041559
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
759 AM PST SUN DEC 4 2011

...STRONG GUSTY NORTH TO NORTHEAST WINDS FOR LATE TONIGHT THROUGH
TUESDAY...

...COLD OVERNIGHT TEMPERATURES AND PATCHY FROST FOR COLDER...WIND
SHELTERED VALLEYS TONIGHT INTO EARLY MONDAY MORNING...

.ANOTHER AREA OF LOW PRESSURE WILL MOVE SOUTHWARD THROUGH THE
GREAT BASIN AND INTO ARIZONA TONIGHT AND ON MONDAY...BRINGING PERIODS
OF GUSTY NORTHEAST TO EAST WINDS TO PORTIONS OF SOUTHERN
CALIFORNIA ON MONDAY AND TUESDAY. MEANWHILE...COLD OVERNIGHT
TEMPERATURES AND PATCHY FROST WILL BE POSSIBLE IN COLDER WIND
SHELTERED VALLEYS AGAIN TONIGHT AND INTO EARLY MONDAY.

CAZ048-042300-
/O.EXP.KSGX.FR.Y.0008.000000T0000Z-111204T1600Z/
/O.CON.KSGX.FR.Y.0009.111205T0600Z-111205T1600Z/
/O.CON.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
759 AM PST SUN DEC 4 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
8 AM PST MONDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...
...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING...

THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. A FROST
ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY. A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH MONDAY AFTERNOON. 

* TIMING FOR FROST: LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* LOCATION FOR FROST: COLDER WIND SHELTER LOCATIONS...MAINLY IN
  RIVERSIDE COUNTY PORTIONS OF THE INLAND EMPIRE SOUTHEAST OF THE
  91 FREEWAY.

* TEMPERATURES: TEMPERATURES WILL FALL INTO THE UPPER 20S TO MID
  30S FOR SEVERAL HOURS THROUGH OVERNIGHT TONIGHT AND INTO THE
  MORNING HOURS IN COLDER...WIND SHELTERED LOCATIONS.

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

* TIMING FOR WINDS: STRONGER WINDS ARE EXPECTED TO DEVELOP MONDAY
  MORNING AND TO CONTINUE INTO MONDAY AFTERNOON. WINDS THAT ARE
  NOT QUITE AS STRONG ARE EXPECTED TO CONTINUE FOR MONDAY NIGHT
  INTO TUESDAY.

* WINDS: AREAS OF NORTHEAST WINDS 25 TO 35 MPH...WITH GUSTS TO 60
  MPH BELOW PASSES AND CANYONS. FOR MONDAY NIGHT THROUGH
  TUESDAY...AREAS OF NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 45
  MPH BELOW PASSES AND CANYONS.

* IMPACT FOR WINDS: THE WINDS WILL MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR
  BROKEN TREE LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO
  BLOW OVER UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR
  HOLIDAY DECORATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ050-042300-
/O.EXP.KSGX.FR.Y.0008.000000T0000Z-111204T1600Z/
/O.CON.KSGX.FR.Y.0009.111205T0600Z-111205T1600Z/
SAN DIEGO COUNTY VALLEYS-
759 AM PST SUN DEC 4 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
8 AM PST MONDAY...
...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING...

THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. A FROST
ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY. 

* TIMING: LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* LOCATION: COLDER WIND SHELTER LOCATIONS...MAINLY LOWER LYING
  AREAS.

* TEMPERATURES: TEMPERATURES WILL FALL INTO THE UPPER 20S TO MID
  30S FOR SEVERAL HOURS LATE TONIGHT THROUGH EARLY MORNING IN
  COLDER... WIND SHELTERED LOCATIONS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ042-055-057-042300-
/O.CON.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
ORANGE COUNTY COASTAL AREAS-SAN BERNARDINO COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
759 AM PST SUN DEC 4 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON. 

* TIMING: STRONGER WINDS ARE EXPECTED TO DEVELOP MONDAY MORNING
  AND TO CONTINUE INTO MONDAY AFTERNOON. WINDS THAT ARE NOT QUITE
  AS STRONG ARE EXPECTED TO CONTINUE FOR MONDAY NIGHT INTO
  TUESDAY.

* WINDS: AREAS OF NORTHEAST WINDS 25 TO 35 MPH...WITH GUSTS TO 60
  MPH BELOW PASSES AND CANYONS. FOR MONDAY NIGHT THROUGH
  TUESDAY...AREAS OF NORTHEAST WINDS 20 TO 30 MPH...WITH GUSTS TO
  45 MPH BELOW PASSES AND CANYONS.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ061-042300-
/O.CON.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
COACHELLA VALLEY-
759 AM PST SUN DEC 4 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON. 

* TIMING: LATE TONIGHT THROUGH MONDAY.

* WINDS: AREAS OF NORTH TO NORTHEAST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 60 MPH.

* LOCATION: STRONGEST WINDS MAINLY IN THE NORTH PORTION OF THE
  COACHELLA VALLEY AND NORTH OF INTERSTATE 10.

* VISIBILITY: LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN
  BLOWING DUST AND BLOWING SAND.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING DUST AND
  SAND COULD REDUCE VISIBILITY TO NEAR ZERO. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
360 
WWUS76 KSGX 042135
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
135 PM PST SUN DEC 4 2011

...STRONG GUSTY NORTH TO NORTHEAST WINDS FOR LATE TONIGHT THROUGH
TUESDAY...

...COLD OVERNIGHT TEMPERATURES AND PATCHY FROST FOR COLDER...WIND
SHELTERED VALLEYS TONIGHT INTO EARLY MONDAY MORNING...

.ANOTHER AREA OF LOW PRESSURE WILL MOVE SOUTHWARD THROUGH THE
GREAT BASIN AND INTO ARIZONA TONIGHT AND ON MONDAY...BRINGING
PERIODS OF GUSTY NORTHEAST TO EAST WINDS TO PORTIONS OF SOUTHERN
CALIFORNIA ON MONDAY AND TUESDAY. MEANWHILE...COLD OVERNIGHT
TEMPERATURES AND PATCHY FROST WILL BE POSSIBLE IN COLDER WIND
SHELTERED VALLEYS AGAIN TONIGHT AND INTO EARLY MONDAY.

CAZ048-050600-
/O.UPG.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
/O.NEW.KSGX.HW.W.0016.111205T1200Z-111206T1200Z/
/O.CON.KSGX.FR.Y.0009.111205T0600Z-111205T1600Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
135 PM PST SUN DEC 4 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
8 AM PST MONDAY...
...HIGH WIND WARNING IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. A FROST
ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
MONDAY. 

* TIMING FOR FROST: LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* LOCATION FOR FROST: COLDER WIND SHELTER LOCATIONS...MAINLY IN
  RIVERSIDE COUNTY PORTIONS OF THE INLAND EMPIRE SOUTHEAST OF THE
  91 FREEWAY.

* TEMPERATURES: TEMPERATURES WILL FALL INTO THE MID 20S TO LOWER
  30S FOR SEVERAL HOURS LATE TONIGHT AND INTO THE MORNING HOURS IN
  COLDER...ESPECIALLY IN THE WIND SHELTERED LOCATIONS.

* IMPACTS FOR FROST: A FROST ADVISORY MEANS THAT FROST IS POSSIBLE.
  SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
 
* TIMING FOR WINDS: NORTH TO NORTHEAST WINDS WILL DEVELOP EARLY
  MONDAY MORNING AND TO CONTINUE THROUGH MONDAY NIGHT. SLIGHTLY
  WEAKER WINDS WILL CONTINUE INTO TUESDAY.

* WINDS: AREAS OF NORTHEAST WINDS 25 TO 35 MPH...WITH GUSTS TO 60
  MPH BELOW PASSES AND CANYONS. FOR TUESDAY...AREAS OF NORTHEAST
  WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH BELOW PASSES AND CANYONS.

* IMPACT FOR WINDS: THESE WINDS WILL MAKE DRIVING
  DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES.
  WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. THESE WINDS
  CAN ALSO BLOW OVER UNSECURED OUTDOOR OBJECTS SUCH AS PATIO
  FURNITURE OR 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.

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

&&

$$

CAZ055-057-050600-
/O.UPG.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
/O.NEW.KSGX.HW.W.0016.111205T1200Z-111206T1200Z/
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
135 PM PST SUN DEC 4 2011

...HIGH WIND WARNING IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: NORTH TO NORTHEAST WINDS WILL DEVELOP EARLY MONDAY
  MORNING AND TO CONTINUE THROUGH MONDAY NIGHT. SLIGHTLY WEAKER
  WINDS WILL CONTINUE INTO TUESDAY.

* WINDS: AREAS OF NORTHEAST WINDS 25 TO 35 MPH...WITH GUSTS TO 60
  MPH BELOW PASSES AND CANYONS. FOR TUESDAY...AREAS OF NORTHEAST
  WINDS 20 TO 30 MPH...WITH GUSTS TO 50 MPH BELOW PASSES AND
  CANYONS.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR 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.

&&

$$

CAZ050-050600-
/O.NEW.KSGX.WI.Y.0046.111206T0000Z-111206T1200Z/
/O.CON.KSGX.FR.Y.0009.111205T0600Z-111205T1600Z/
SAN DIEGO COUNTY VALLEYS-
135 PM PST SUN DEC 4 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
8 AM PST MONDAY...
...WIND ADVISORY IN EFFECT FROM 4 PM MONDAY TO 4 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM MONDAY TO 4 AM PST
TUESDAY. A FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 8 AM PST MONDAY. 

* TIMING FOR FROST: LATE TONIGHT THROUGH EARLY MONDAY MORNING.

* LOCATION FOR FROST: COLDER WIND SHELTER LOCATIONS...MAINLY
  LOWER LYING AREAS.

* TEMPERATURES: TEMPERATURES WILL FALL INTO THE UPPER 20S TO MID
  30S FOR SEVERAL HOURS LATE TONIGHT THROUGH EARLY MORNING IN
  COLDER... WIND SHELTERED LOCATIONS.

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

* IMPACTS...A FROST ADVISORY MEANS THAT FROST IS POSSIBLE.
  SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
 
* TIMING FOR WINDS: NORTHEAST TO EAST WINDS WILL START TO DEVELOP
  DURING THE DAY...BUT INCREASE MONDAY EVENING AND CONTINUE
  THROUGH MONDAY NIGHT. SLIGHTLY WEAKER WINDS WILL CONTINUE INTO
  TUESDAY.

* WINDS: AREAS OF NORTHEAST WINDS 20 TO 35 MPH...WITH GUSTS TO 50
  MPH. SIMILAR WINDS MAY CONTINUE INTO TUESDAY.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT... ESPECIALLY
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.

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.

&&

$$

CAZ042-050600-
/O.UPG.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
/O.NEW.KSGX.WI.Y.0046.111205T1200Z-111206T1200Z/
ORANGE COUNTY COASTAL AREAS-
135 PM PST SUN DEC 4 2011

...WIND ADVISORY IN EFFECT FROM 4 AM MONDAY TO 4 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: STRONGER WINDS WILL DEVELOP MONDAY MORNING AND CONTINUE
  INTO MONDAY NIGHT. SIMILAR WINDS MAY CONTINUE INTO TUESDAY.

* WINDS: AREAS OF NORTH EAST WINDS 20 TO 35 MPH...WITH GUSTS TO 50
  MPH. 

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.

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.

&&

$$

CAZ061-050600-
/O.UPG.KSGX.HW.A.0009.111205T1200Z-111206T0000Z/
/O.NEW.KSGX.WI.Y.0046.111205T1200Z-111206T1200Z/
COACHELLA VALLEY-
135 PM PST SUN DEC 4 2011

...WIND ADVISORY IN EFFECT FROM 4 AM MONDAY TO 4 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: STRONGER WINDS WILL DEVELOP MONDAY MORNING AND CONTINUE
  INTO MONDAY NIGHT. SIMILAR WINDS MAY CONTINUE INTO TUESDAY.

* WINDS: AREAS OF NORTH TO NORTHEAST WINDS 20 TO 30 MPH...WITH
  GUSTS TO 50 MPH.

* LOCATION: STRONGEST WINDS MAINLY IN THE NORTH PORTION OF THE
  COACHELLA VALLEY AND NORTH OF INTERSTATE 10.

* VISIBILITY: LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN
  BLOWING DUST AND BLOWING SAND.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING DUST AND
  SAND COULD REDUCE VISIBILITY TO NEAR ZERO. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.

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.

&&

$$

CAZ056-050600-
/O.NEW.KSGX.WI.Y.0046.111205T1200Z-111206T1200Z/
RIVERSIDE COUNTY MOUNTAINS-
135 PM PST SUN DEC 4 2011

...WIND ADVISORY IN EFFECT FROM 4 AM MONDAY TO 4 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 AM MONDAY TO 4 AM PST
TUESDAY. 

* TIMING: STRONGER WINDS WILL DEVELOP MONDAY MORNING AND CONTINUE
  INTO MONDAY NIGHT. SIMILAR WINDS MAY CONTINUE INTO TUESDAY.

* WINDS: AREAS OF NORTH TO NORTHEAST WINDS 20 TO 30 MPH...WITH
  GUSTS TO 50 MPH.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING DUST AND
  SAND COULD REDUCE VISIBILITY TO NEAR ZERO. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.

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.

&&

$$

CAZ058-050600-
/O.NEW.KSGX.WI.Y.0046.111206T0000Z-111206T1200Z/
SAN DIEGO COUNTY MOUNTAINS-
135 PM PST SUN DEC 4 2011

...WIND ADVISORY IN EFFECT FROM 4 PM MONDAY TO 4 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM MONDAY TO 4 AM PST
TUESDAY. 

* TIMING: STRONGER WINDS WILL DEVELOP MONDAY MORNING AND CONTINUE
  INTO MONDAY NIGHT. SIMILAR WINDS MAY CONTINUE INTO TUESDAY.

* WINDS: AREAS OF NORTHEAST TO EAST WINDS 20 TO 30 MPH...WITH
  GUSTS TO 50 MPH.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING DUST AND
  SAND COULD REDUCE VISIBILITY TO NEAR ZERO. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. THESE WINDS CAN ALSO BLOW OVER
  UNSECURED OUTDOOR OBJECTS SUCH AS PATIO FURNITURE OR HOLIDAY
  DECORATIONS.


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.

&&

$$

PALMER

What forecasters said that day

The local office's own words before this high wind watch 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 high wind watch went out at Dec 3, 9:20 PM PST, 4 hours 2 minutes earlier.

Area forecast discussion, Dec 3, 9:20 PM PST, 4 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
920 PM PST SAT DEC 3 2011

.SYNOPSIS...
NORTHEAST WINDS WILL CONTINUE OVERNIGHT THROUGH AND BELOW THE
FOOTHILLS AND CANYONS...THEN DIE OFF ON SUNDAY. VERY LOW HUMIDITY
WILL ALLOW FOR A VERY CHILLY NIGHT WITH SUBFREEZING TEMPERATURES IN
WIND SHELTERED AREAS...THEN MILD AND SUNNY ON SUNDAY. UPPER-LEVEL
LOW PRESSURE WILL DIVE SOUTH THROUGH THE GREAT BASIN SUNDAY AND
SUNDAY NIGHT BUILDING A STRONG SURFACE HIGH IN ITS WAKE. THIS WILL
BRING ANOTHER ROUND OF GUSTY NORTHEAST WINDS THROUGH THE PASSES AND
CANYONS AND INTO THE VALLEYS THROUGH TUESDAY MORNING. WINDS WILL LET
UP FOR THE REMAINDER OF THE WEEK...AND HIGH PRESSURE ALOFT WILL
BRING DRY AND WARMER DAYS.

&&

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

SKIES COMPLETELY CLEARED OVER THE CWA THIS EVENING AND WINDS WERE
MOSTLY BELOW 15 MPH...BUT SOME OF THE WINDIER AREAS WERE STILL
REPORTING GUSTS OF 25 TO 45 MPH. THE 00Z MIRAMAR SOUNDING HAD LESS
THAN 0.20 INCH OF PWAT THANKS TO MODERATE NORTHERLY FLOW TO 30 KT
BELOW 8K FT. JUST INLAND FROM THE COAST...DEWPOINTS WERE IN THE
SINGLE DIGITS. SURFACE PRESSURE GRADIENTS WERE NEUTRAL TO THE EAST
AND 6-7 MBS OFFSHORE FROM THE GREAT BASIN.

MAIN CONCERN OVERNIGHT WOULD BE WHERE THE WIND COMPLETELY DECOUPLES
FROM THE SURFACE. THE CLEAR SKIES AND DRY AIR WILL RADIATE HEAT
RAPIDLY WHICH COULD RESULT IN MORNING TEMPERATURES IN WIND SHELTERED
SPOTS IN THE UPPER 20S AND LOWER 30S. A FROST ADVISORY WAS ISSUED
FOR THE VALLEY AREAS...MAINLY SOUTH OF PERRIS IN RIVERSIDE COUNTY.
FARTHER NORTH EXPECT ENOUGH WIND TO KEEP THE AIR MIXED. A WIND
ADVISORY CONTINUES WITH MODELS SHOWING THE SURFACE GRADIENTS
TIGHTENING AGAIN OVERNIGHT...BUT CRITERIA WILL LIKELY NOT BE MET IN
MANY AREAS OF THE ADVISORY AS UPPER SUPPORT WANES.

THE LATEST WATER VAPOR/IR SATELLITE IMAGERY CLEARLY SHOWS THE NEXT
DISTURBANCE TO AFFECT US CROSSING THE CANADIAN/U.S. BORDER NEAR
CENTRAL MONTANA. THIS ONE WILL AGAIN AMPLIFY DOWN THE BACK SIDE OF
THE BROAD AND POSITIVELY TILTED NORTH AMERICAN LONGWAVE TROUGH...
ENDING UP OVER NE AZ ON MON. ANOTHER BRIEF SHOT AT MARINE AIR MON
MORNING FOR COASTAL AREAS...THEN BACK TO DRY CONTINENTAL AIR FOR
MOST OF THE WEEK AS SURFACE HIGH PRESSURE BUILDS SOUTH IN THE WAKE
OF THE UPPER LOW. WITH GOOD UPPER SUPPORT FROM NORTHERLY WINDS
ALOFT...EXPECT ANOTHER ROUND OF STRONG AND GUSTY SANTA ANA WINDS
OVER SOCAL. STRONGEST IN THE WIND FAVORED AREAS OF THE NORTH...BUT
SURVIVING THE TRIP TO THE COAST AND OFFSHORE WITH MODERATE TO
LOCALLY STRONG GUSTS AT TIMES. OUR LOCAL WIND PROGRAM SHOWS GUSTS
COULD EXCEED 70 MPH BELOW THE CAJON PASS AND THROUGH THE SANTA ANA
MOUNTAIN CANYONS.

THIS LOOKS TO BE THE LAST IN THE SERIES OF DISTURBANCES TO DIG
THROUGH THE TROUGH ALLOWING IT TO FLATTEN AND SHIFT EAST. MODELS ARE
CHOOSING TO AMPLIFY THE BROAD UPPER HIGH OVER THE NORTH PACIFIC
NOW...BRINGING AN INTRUSION OF MILD PACIFIC AIR INTO THE NORTHERN
ROCKIES AND GREAT PLAINS...EFFECTIVELY CUTTING OFF THE ARCTIC FLOW
FOR A FEW DAYS ANYWAY. THE THE BUILDING HEIGHTS/THICKNESS WILL EVEN
EFFECT SOCAL WITH WARMER DAYS WED THROUGH SAT. CONTINUED DRY AS
WELL...WITH ONLY A CHANCE OF SOME MARINE AIR RETURNING ABOUT FRI.

&&

.AVIATION...
040338Z...PREVAILING VFR CONDS AND MOSTLY SKC EXPECTED THROUGH
SUNDAY. MAIN AVIATION CONCERN CURRENTLY IS THE GUSTY NE WINDS. GUSTY
NE SURFACE WINDS 20-25KT WILL CONTINUE THROUGH 1200 UTC FOR CERTAIN
LOCATIONS S/SW OF MTNS...SUCH AS KONT. AFTER 1200 UTC...SURFACE
WINDS WILL TREND DOWNWARDS...AND BY 1800 UTC WINDS WILL BE RATHER
LIGHT THROUGH 05/0600 UTC. HOWEVER...N/NE WINDS IN THE FL010-FL060
LAYER WILL REMAIN STRONG AT 20-35KT G 45KT THROUGH 1500 UTC. THIS
WILL RESULT IN THE CONTINUED THREAT OF UDDFS/LLWS OVER AND S/SW OF
MTNS. ALSO...SURFACE GUSTS IN MTN PASSES AND CANYONS MAY REACH 35 KT
AT TIMES THROUGHOUT THE NIGHT. KSAN AND KCRQ WILL LIKELY NOT
EXPERIENCE THE GUSTY N/NE WINDS AT THE SURFACE...BUT SOME LLWS IS
NOT OUT OF THE QUESTION. MOD-STG NE WINDS WILL RETURN AFTER 05/0600
UTC.

&&

.FIRE WEATHER...
VERY DRY CONDITIONS HAVE DEVELOPED OVER SOUTHERN CALIFORNIA. MORE
STRONG AND GUSTY WINDS WILL BE TRIGGERED BY YET ANOTHER LOW PRESSURE
AREA DIGGING SOUTH THROUGH THE GREAT BASIN. STRONG SURFACE HIGH
PRESSURE BUILDING IN BEHIND THE LOW WILL TEAM UP WITH NORTHERLY FLOW
ALOFT TO BRING THE WINDS AGAIN LATE SUNDAY NIGHT THROUGH TUESDAY
MORNING. THE STRONGEST WINDS WILL AFFECT NORTHERN PORTIONS OF THE
FORECAST AREA. THIS EVENT SHOULD BE STRONGER AND MORE WIDESPREAD
THAN THE CURRENT EVENT WITH SOME WIND GUSTS OVER 60 MPH EXPECTED.
GIVEN THE DRY CONDITIONS IN PLACE AND EXPECTED WINDS...A FIRE
WEATHER WATCH HAS BEEN ISSUED FOR THE INLAND EMPIRE...THE SANTA ANA
MOUNTAINS AND FOOTHILLS...AND THE ORANGE COUNTY COASTAL AREAS FOR
MONDAY AND MONDAY NIGHT. GIVEN THE LATEST GUIDANCE...FIRE WEATHER
CRITERIA MAY BE MET FOR A LONGER PERIOD IN SOME AREAS.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...FIRE WEATHER WATCH FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY
     NIGHT FOR THE ORANGE COUNTY COASTAL AREAS...SAN BERNARDINO
     AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE...SANTA ANA
     MOUNTAINS-INCLUDING THE TRABUCO RANGER DISTRICT OF THE
     CLEVELAND NATIONAL FOREST.

     WIND ADVISORY UNTIL 8 AM PST SUNDAY FOR THE ORANGE COUNTY
     COASTAL AREAS...SAN BERNARDINO COUNTY MOUNTAINS...SAN
     BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE...
     SANTA ANA MOUNTAINS AND FOOTHILLS.

     FROST ADVISORY UNTIL 8 AM SUNDAY FOR PORTIONS OF THE SAN
     BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE...
     AND THE SAN DIEGO COUNTY VALLEYS.

PZ...NONE.

&&

PUBLIC/FIRE WEATHER...JAD
AVIATION/MARINE...HARRISON
Hazardous weather outlook, Dec 3, 7:17 PM PST, 6 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SAN DIEGO CA
717 PM PST SAT DEC 3 2011

CAZ042-043-048-050-055>058-060>062-PZZ750-775-041400-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
30 NM-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
717 PM PST SAT DEC 3 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME
SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

AREAS OF FROST EXPECTED OVERNIGHT IN WIND PROTECTED VALLEYS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

PERIODS OF GUSTY NORTHEAST WINDS THROUGH AND BELOW PASSES AND
CANYONS THROUGH EARLY SUNDAY.

STRONG NORTHEAST WINDS ARE EXPECTED TO REDEVELOP THROUGH AND BELOW
PASSES AND CANYONS LATE SUNDAY NIGHT AND CONTINUE THROUGH TUESDAY
MORNING. THE COMBINATION OF WIND AND VERY LOW HUMIDITY MAY REACH
CRITICAL LEVELS FOR RAPID FIRE GROWTH MONDAY AND TUESDAY. WEATHER
WATCHES FOR HIGH WIND AND/OR FIRE WEATHER MAY BE NEEDED.

.SPOTTER INFORMATION STATEMENT...
SKYWARN WEATHER ACTIVATION IS NOT REQUESTED FOR THIS AREA...HOWEVER
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS.

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 3, 4:55 PM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego15 hr
Dec 4, 1:22 AM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego31 hr
Dec 4, 1:35 PM PSTHigh Wind WarningSGXOrange, Riverside, San Bernardino, San Diego24 hr
Dec 4, 1:35 PM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego48 hr
Dec 4, 1:40 PM PSTRed Flag WarningSGXOrange, Riverside, San Bernardino, San Diego50 hr

Nearby

High Wind Watches in California, 2011Every high wind watch in 2011

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.