Alert archive / California / Wind Advisories in 2012

Wind Advisory 51, NWS San Diego, CA

December 13, 2012Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Dec 13, 2012, 1:17 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 14, 2012, 1:00 AM PST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2012, 1:17 PM PST (21:17 UTC)
In effect from
Dec 14, 2012, 1:00 AM PST
Expired
Dec 14, 2012, 4:33 PM PST
In force
16 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 21:17 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 12:00Z, 9.3 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 12:00Z on 2012-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2012-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897Sfc1 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
109 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
629 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
112 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.

656 
WWUS76 KSGX 132117
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
117 PM PST THU DEC 13 2012

...STRONG AND GUSTY POST-FRONTAL WINDS OVER DESERT SLOPES AND
ADJACENT DESERTS LATE TONIGHT THROUGH SATURDAY MORNING...

.AFTER THE COLD FRONT MOVES OFF TO THE EAST OF SOUTHERN
CALIFORNIA TONIGHT...POST-FRONTAL WESTERLY WINDS WILL STRENGTHEN.
WINDS FROM THE WEST WILL REMAIN STRONG AS A SECOND SYSTEM DROPS
DOWN OVER THE AREA FRIDAY NIGHT INTO SATURDAY. THESE WEST WINDS
WILL RESULT IN STRONG GUSTS OVER THE DESERT SLOPES OF THE
MOUNTAINS AND ADJACENT DESERT AREAS. WINDS WILL WEAKEN BY
SATURDAY AFTERNOON AFTER THE SECOND DISTURBANCE PASSES THROUGH.

CAZ058-062-140530-
/O.NEW.KSGX.WI.Y.0051.121214T0900Z-121215T1800Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
117 PM PST THU DEC 13 2012

...WIND ADVISORY IN EFFECT FROM 1 AM FRIDAY TO 10 AM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM FRIDAY TO 10 AM PST
SATURDAY. 

* WINDS...WEST 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* TIMING...LATE TONIGHT THROUGH SATURDAY MORNING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY
  AT TIMES.

* OUTLOOK...WINDS WILL WEAKEN BY LATE SATURDAY MORNING AFTER THE
  SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH THE AREA.

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.

&&

$$

CAZ055-056-060-061-140530-
/O.NEW.KSGX.WI.Y.0051.121214T0900Z-121215T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
117 PM PST THU DEC 13 2012

...WIND ADVISORY IN EFFECT FROM 1 AM TO 10 PM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 10 PM PST FRIDAY. 

* WINDS...WEST 15 TO 25 MPH WITH GUSTS TO 45 MPH FOR THE RIVERSIDE
  COUNTY MOUNTAINS AND DESERTS. SOUTHWEST 15 TO 25 MPH WITH GUSTS
  TO 45 MPH FOR THE SAN BERNARDINO COUNTY MOUNTAINS AND DESERTS.

* TIMING...LATE TONIGHT THROUGH LATE FRIDAY EVENING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY
  AT TIMES.

* OUTLOOK...WINDS WILL WEAKEN BY LATE FRIDAY NIGHT INTO SATURDAY
  MORNING AFTER THE SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH
  THE AREA.

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.

&&

$$

HARRISON
4 follow-up statements
154 
WWUS76 KSGX 140500
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
900 PM PST THU DEC 13 2012

...MODERATE TO STRONG GUSTY WINDS OVER DESERT SLOPES AND ADJACENT
DESERTS LATE TONIGHT THROUGH SATURDAY MORNING...

.MODERATE TO GUSTY WEST WINDS WILL DEVELOP BEHIND THE COLD FRONT
TONIGHT...AND REMAIN RELATIVELY STRONG...AS A SECOND SYSTEM DROPS
DOWN OVER THE AREA FRIDAY NIGHT INTO SATURDAY. THESE WEST WINDS
WILL RESULT IN STRONG GUSTS OVER THE DESERT SLOPES OF THE
MOUNTAINS AND ADJACENT DESERT AREAS. WINDS WILL WEAKEN BY SATURDAY
AFTERNOON AFTER THE SECOND DISTURBANCE PASSES THROUGH.

CAZ058-062-141300-
/O.CON.KSGX.WI.Y.0051.121214T0900Z-121215T1800Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
900 PM PST THU DEC 13 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM FRIDAY TO 10 AM PST
SATURDAY...

* WINDS...WEST 20 TO 30 MPH...WITH GUSTS TO 45 MPH. LOCAL GUSTS UP
  TO 50 MPH.

* TIMING...LATE TONIGHT THROUGH SATURDAY MORNING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING 
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY 
  AT TIMES. 

* OUTLOOK...WINDS WILL WEAKEN BY LATE SATURDAY MORNING AFTER THE 
  SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH THE AREA. 

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.

&&

$$

CAZ055-056-060-061-141300-
/O.CON.KSGX.WI.Y.0051.121214T0900Z-121215T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
900 PM PST THU DEC 13 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 PM PST
FRIDAY...

* WINDS...SOUTHWEST TO WEST 15 TO 30 MPH...WITH GUSTS TO 45 MPH
  FOR THE RIVERSIDE COUNTY MOUNTAINS AND DESERTS. LOCAL GUSTS UP
  TO 50 MPH THROUGH AND BELOW THE FAVORED PASSES AND CANYONS.

* TIMING...LATE TONIGHT THROUGH LATE FRIDAY EVENING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING 
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY 
  AT TIMES. 

* OUTLOOK...WINDS WILL WEAKEN BY LATE FRIDAY NIGHT INTO SATURDAY 
  MORNING AFTER THE SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH 
  THE AREA. 

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
480 
WWUS76 KSGX 141206
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
406 AM PST FRI DEC 14 2012

...MODERATE TO LOCALLY STRONG GUSTY WINDS OVER DESERT SLOPES AND
ADJACENT DESERTS FOOTHILLS LATE TONIGHT THROUGH SATURDAY MORNING...

.MODERATE GUSTY SOUTHWEST TO WEST WINDS WILL CONTINUE THROUGH
TONIGHT AS ANOTHER STORM MOVES THROUGH THE REGION. THESE WINDS
WILL BE STRONGEST ON THE DESERT SLOPES OF THE MOUNTAINS AND
ADJACENT DESERT FOOTHILLS. WINDS WILL WEAKEN BY SATURDAY
AFTERNOON.

CAZ058-062-142200-
/O.CON.KSGX.WI.Y.0051.000000T0000Z-121215T1800Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
406 AM PST FRI DEC 14 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY...

* WINDS...WEST 20 TO 30 MPH...WITH GUSTS TO 45 MPH. LOCAL GUSTS 
  UP TO 50 MPH. 

* TIMING...THROUGH SATURDAY MORNING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING 
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY 
  AT TIMES. 

* OUTLOOK...WINDS WILL WEAKEN BY LATE SATURDAY MORNING AFTER THE
  SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH THE AREA.

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.

&&

$$

CAZ055-056-060-061-142200-
/O.CON.KSGX.WI.Y.0051.000000T0000Z-121215T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
406 AM PST FRI DEC 14 2012

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

* WINDS...SOUTHWEST TO WEST 15 TO 30 MPH...WITH GUSTS TO 45 MPH.
  LOCAL GUSTS UP TO 50 MPH THROUGH AND BELOW THE FAVORED PASSES
  AND CANYONS.

* TIMING...THROUGH LATE THIS EVENING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS...AS
  WELL AS ALONG AND NORTH OF INTERSTATE 10 IN THE COACHELLA VALLEY.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING 
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY 
  AT TIMES. 

* OUTLOOK...WINDS WILL WEAKEN BY TONIGHT INTO SATURDAY 
  MORNING AFTER THE SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH 
  THE AREA. 

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
139 
WWUS76 KSGX 141650 AAA
NPWSGX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SAN DIEGO CA
850 AM PST FRI DEC 14 2012

CAZ058-062-150100-
/O.EXT.KSGX.WI.Y.0051.000000T0000Z-121215T1100Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
850 AM PST FRI DEC 14 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PST SATURDAY...

* WINDS...WEST 20 TO 30 MPH...WITH GUSTS TO 45 MPH. LOCAL GUSTS 
  UP TO 50 MPH. 

* TIMING...THROUGH SATURDAY MORNING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING 
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY 
  AT TIMES. 

* OUTLOOK...WINDS WILL WEAKEN BY LATE SATURDAY MORNING AFTER THE 
  SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH THE AREA. 

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.

&&

$$

CAZ055-056-060-061-150100-
/O.CON.KSGX.WI.Y.0051.000000T0000Z-121215T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
850 AM PST FRI DEC 14 2012

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

* WINDS...SOUTHWEST TO WEST 15 TO 30 MPH...WITH GUSTS TO 45 MPH. 
  LOCAL GUSTS UP TO 50 MPH THROUGH AND BELOW THE FAVORED PASSES 
  AND CANYONS. 

* TIMING...THROUGH LATE THIS EVENING.

* LOCATION...ALONG DESERT SLOPES AND ADJACENT DESERT AREAS...AS 
  WELL AS ALONG AND NORTH OF INTERSTATE 10 IN THE COACHELLA 
  VALLEY. 

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. AREAS OF BLOWING 
  DUST...SAND AND PRECIPITATION COULD LOCALLY REDUCE VISIBILITY 
  AT TIMES. 

* OUTLOOK...WINDS WILL WEAKEN BY TONIGHT INTO SATURDAY MORNING 
  AFTER THE SECOND UPPER LEVEL DISTURBANCE MOVES THROUGH THE 
  AREA. 

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/BALFOUR
202 
WWUS76 KSGX 150033
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
433 PM PST FRI DEC 14 2012

...WIND ADVISORY CANCELLED...

.WINDS ARE NOT EXPECTED TO INCREASE ENOUGH TONIGHT TO REACH WIND
ADVISORY STRENGTH.

CAZ058-062-150145-
/O.CAN.KSGX.WI.Y.0051.000000T0000Z-121215T1100Z/
SAN DIEGO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-
433 PM PST FRI DEC 14 2012

...WIND ADVISORY IS CANCELLED...

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

WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH
TONIGHT.

$$

CAZ055-056-060-061-150145-
/O.CAN.KSGX.WI.Y.0051.000000T0000Z-121215T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
433 PM PST FRI DEC 14 2012

...WIND ADVISORY IS CANCELLED...

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

WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH
TONIGHT.

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 4:15 PM PSTWinter Weather AdvisorySGXSan Bernardino29 hr
Dec 13, 1:09 AM PSTSpecial Weather StatementSGX36 min
Dec 13, 6:14 AM PSTAreal Flood AdvisorySGXRiverside, San Bernardino4 hr
Dec 13, 7:55 AM PSTAreal Flood AdvisorySGXSan Diego3 hr
Dec 13, 8:29 AM PSTAreal Flood AdvisorySGXRiverside, San Bernardino3 hr
Dec 13, 11:09 AM PSTAreal Flood AdvisorySGXSan Diego111 min
Dec 13, 1:29 PM PSTSmall Craft Advisory for WindsSGX37 hr
Dec 13, 3:33 PM PSTAreal Flood AdvisorySGXRiverside, San Bernardino87 min

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.