Alert archive / California / Wind Advisories in 2012

Wind Advisory 48, NWS San Diego, CA

December 2, 2012Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Dec 2, 2012, 3:32 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 2, 2012, 12:00 PM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 2, 2012, 3:32 AM PST (11:32 UTC)
In effect from
Dec 2, 2012, 12:00 PM PST
Expired
Dec 2, 2012, 9:03 PM PST
In force
9 hr
Issued by
NWS San Diego, CA

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

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 11:32 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, 11.5 hours before the alert went out and 145 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 2012-12-02Temperature 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 2012-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
901 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
90 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.

655 
WWUS76 KSGX 021132
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
332 AM PST SUN DEC 2 2012

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

...STRONG GUSTY WEST TO NORTHWEST WINDS IN THE MOUNTAINS AND
DESERTS THIS AFTERNOON AND EVENING...

.A NEARLY SATURATED ATMOSPHERE BELOW TEN THOUSAND FEET AND ONSHORE
FLOW WILL COMBINE TO BRING AREAS OF DENSE FOG TO THE MOUNTAINS
THIS MORNING. INCREASING ONSHORE FLOW WILL BRING GUSTY WEST TO
NORTHWEST WINDS TO THE MOUNTAINS AND DESERTS THIS AFTERNOON AND
EVENING.

CAZ048-021245-
/O.CAN.KSGX.FG.Y.0025.000000T0000Z-121202T1800Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
332 AM PST SUN DEC 2 2012

...DENSE FOG ADVISORY IS CANCELLED...

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

PATCHY DENSE FOG IS POSSIBLE EARLY THIS MORNING.

$$

CAZ056-058-021800-
/O.NEW.KSGX.WI.Y.0048.121202T2000Z-121203T0600Z/
/O.EXA.KSGX.FG.Y.0025.000000T0000Z-121202T1800Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
332 AM PST SUN DEC 2 2012

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. A
WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN
EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING. 

* VISIBILITY...LESS THAN ONE QUARTER MILE AT TIMES IN DENSE FOG
  THIS MORNING.

* LOCATION FOR THE FOG...LOWEST VISIBILITIES ON THE COASTAL SLOPES.

* WINDS...AREAS OF WEST TO NORTHWEST WINDS 2O TO 30 MPH WITH GUSTS
  TO 45 MPH.

* LOCATION FOR THE WINDS...STRONGEST WINDS NEAR RIDGE TOPS AND
  ALONG DESERT SLOPES.

* FOG IMPACTS...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.

* WIND 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 DENSE FOG ADVISORY MEANS VISIBILITY WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE-QUARTER MILE. IF DRIVING...SLOW DOWN...USE LOW-
BEAM HEADLIGHTS...AND LEAVE ENOUGH DISTANCE FROM ANY VEHICLE
AHEAD FOR POSSIBLE SUDDEN STOPS.

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.

&&

$$

CAZ055-021800-
/O.NEW.KSGX.WI.Y.0048.121202T2000Z-121203T0600Z/
/O.CON.KSGX.FG.Y.0025.000000T0000Z-121202T1800Z/
SAN BERNARDINO COUNTY MOUNTAINS-
332 AM PST SUN DEC 2 2012

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING. 

* VISIBILITY...LESS THAN ONE QUARTER MILE AT TIMES IN DENSE FOG
  THIS MORNING.

* LOCATION FOR THE FOG...LOWEST VISIBILITIES ON THE COASTAL SLOPES.

* WINDS...AREAS OF WEST TO NORTHWEST WINDS 2O TO 30 MPH WITH GUSTS
  TO 45 MPH.

* LOCATION FOR THE WINDS...STRONGEST WINDS NEAR RIDGE TOPS AND
  ALONG DESERT SLOPES.

* FOG IMPACTS...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.

* WIND 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 DENSE FOG ADVISORY MEANS VISIBILITY WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE-QUARTER MILE. IF DRIVING...SLOW DOWN...USE LOW-
BEAM HEADLIGHTS...AND LEAVE ENOUGH DISTANCE FROM ANY VEHICLE
AHEAD FOR POSSIBLE SUDDEN STOPS.

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.

&&

$$

CAZ060>062-021800-
/O.NEW.KSGX.WI.Y.0048.121202T2000Z-121203T0600Z/
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
332 AM PST SUN DEC 2 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING. 

FOR THE FOG...LOWEST VISIBILITIES ON THE COASTAL SLOPES.

* WINDS...AREAS OF WEST TO NORTHWEST WINDS 2O TO 30 MPH WITH GUSTS
  TO 45 MPH.

* LOCATION...STRONGEST NEAR DESERT MOUNTAIN SLOPES AND IN THE
  COACHELLA VALLEY NORTH AND EAST OF INTERSTATE 10.

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

&&

$$

CAZ057-021800-
/O.CON.KSGX.FG.Y.0025.000000T0000Z-121202T1800Z/
SANTA ANA MOUNTAINS AND FOOTHILLS-
332 AM PST SUN DEC 2 2012

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

* VISIBILITY...LESS THAN ONE QUARTER MILE AT TIMES.

* LOCATION...LOWEST VISIBILITIES ON THE COASTAL SLOPES.

* IMPACTS...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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITY WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE-QUARTER MILE. IF DRIVING...SLOW DOWN...USE LOW-
BEAM HEADLIGHTS...AND LEAVE ENOUGH DISTANCE FROM ANY VEHICLE
AHEAD FOR POSSIBLE SUDDEN STOPS.

&&

$$

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

17
3 follow-up statements
326 
WWUS76 KSGX 021759
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
959 AM PST SUN DEC 2 2012

...STRONG GUSTY SOUTHWEST TO NORTHWEST WINDS IN THE MOUNTAINS AND
DESERTS THIS AFTERNOON AND EVENING...

.INCREASING ONSHORE FLOW WILL BRING GUSTY SOUTHWEST TO NORTHWEST
WINDS TO THE MOUNTAINS AND DESERTS THIS AFTERNOON AND EVENING.

CAZ055-056-058-030600-
/O.EXP.KSGX.FG.Y.0025.000000T0000Z-121202T1800Z/
/O.CON.KSGX.WI.Y.0048.121202T2000Z-121203T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
959 AM PST SUN DEC 2 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

* WINDS...AREAS OF SOUTHWEST TO NORTHWEST WINDS 2O TO 30
  MPH...WITH GUSTS TO 45 MPH.

* LOCATION FOR THE WINDS...STRONGEST WINDS NEAR RIDGE TOPS AND 
  ALONG DESERT SLOPES. 

* WIND 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 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.

&&

$$

CAZ057-021900-
/O.EXP.KSGX.FG.Y.0025.000000T0000Z-121202T1800Z/
SANTA ANA MOUNTAINS AND FOOTHILLS-
959 AM PST SUN DEC 2 2012

...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

VISIBILITIES ARE IMPROVING THIS MORNING...EVEN THOUGH CLOUDS MAY
CONTINUE TO CLING TO THE MOUNTAINS TODAY. THEREFORE...THE DENSE
FOG ADVISORY WILL EXPIRE AT 10 AM.

$$

CAZ060>062-030600-
/O.CON.KSGX.WI.Y.0048.121202T2000Z-121203T0600Z/
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
959 AM PST SUN DEC 2 2012

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

* WINDS...AREAS OF WEST TO NORTHWEST WINDS 2O TO 30 MPH...WITH
  GUSTS TO 45 MPH. LOCAL GUSTS UP TO 50 MPH THROUGH AND BELOW THE
  FAVORED PASSES AND CANYONS.

* LOCATION...STRONGEST NEAR DESERT MOUNTAIN SLOPES AND IN THE 
  COACHELLA VALLEY NORTH AND EAST OF INTERSTATE 10. 

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

&&

$$

PALMER
393 
WWUS76 KSGX 022045
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1245 PM PST SUN DEC 2 2012

...STRONG GUSTY SOUTHWEST TO NORTHWEST WINDS IN THE MOUNTAINS AND
DESERTS THROUGH THIS EVENING...

.INCREASING ONSHORE FLOW WILL BRING GUSTY SOUTHWEST TO NORTHWEST
WINDS TO THE MOUNTAINS AND DESERTS THROUGH THIS EVENING.

CAZ055-056-058-060>062-030600-
/O.CON.KSGX.WI.Y.0048.000000T0000Z-121203T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
1245 PM PST SUN DEC 2 2012

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

* WINDS...AREAS OF WEST TO NORTHWEST WINDS 2O TO 30 MPH...WITH 
  GUSTS TO 45 MPH. LOCAL GUSTS UP TO 50 MPH THROUGH AND BELOW 
  THE FAVORED PASSES AND CANYONS. 

* LOCATION...STRONGEST NEAR DESERT MOUNTAIN SLOPES AND IN THE 
  COACHELLA VALLEY NORTH AND EAST OF INTERSTATE 10. 

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

&&

$$

PALMER
630 
WWUS76 KSGX 030503
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
903 PM PST SUN DEC 2 2012

...WIND ADVISORY CANCELLED...


CAZ055-056-058-060>062-030615-
/O.CAN.KSGX.WI.Y.0048.000000T0000Z-121203T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
903 PM PST SUN DEC 2 2012

...WIND ADVISORY IS CANCELLED...

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

WESTERLY WINDS OF 20 TO 35 MPH WITH ISOLATED HIGHER GUSTS WILL
CONTINUE OVERNIGHT ON EXPOSED MOUNTAIN RIDGES AND DESERT SLOPES.
HOWEVER...WIDESPREAD ADVISORY STRENGTH WINDS ARE NOT EXPECTED.

$$

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 5:03 PM PSTDense Fog AdvisorySGXOrange, Riverside, San Bernardino, San Diego17 hr

Nearby

Wind Advisories in California, 2012Every wind advisory in 2012

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.