Alert archive / California / Wind Advisories in 2012

Wind Advisory 14, NWS San Diego, CA

February 21, 20124 counties in California

NWS San Diego, CA issued this wind advisory at Feb 21, 2012, 5:33 AM PST for 4 counties in California. It took effect at Feb 21, 2012, 10:00 PM PST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2012, 5:33 AM PST (13:33 UTC)
In effect from
Feb 21, 2012, 10:00 PM PST
Expired
Feb 22, 2012, 9:06 AM PST
In force
11 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 13:37 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, 1.6 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 12:00Z on 2012-02-21Temperature 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 12:00Z on 2012-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
6 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.

840 
WWUS76 KSGX 211333
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
533 AM PST TUE FEB 21 2012

...GUSTY NORTH TO NORTHEAST WINDS LATE TONIGHT THROUGH WEDNESDAY
MORNING FOR THE INLAND EMPIRE AND SURROUNDING COASTAL MOUNTAIN
SLOPES...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING GUSTY NORTH
TO NORTHEAST WINDS THROUGH AND BELOW PASSES AND CANYONS AND NEAR
COASTAL FOOTHILLS IN THE INLAND EMPIRE AND SURROUNDING COASTAL
SLOPES...AND IN THE SANTA ANA MOUNTAINS AND COASTAL FOOTHILLS FOR
LATE TONIGHT THROUGH EARLY WEDNESDAY.

CAZ042-048-055-057-212200-
/O.NEW.KSGX.WI.Y.0014.120222T0600Z-120222T1800Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
533 AM PST TUE FEB 21 2012

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
WEDNESDAY...

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

* WINDS: AREAS OF NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH.

* LOCATION: ALONG AND NEAR COASTAL MOUNTAIN FOOTHILLS AND BELOW
  PASSES AND CANYONS.

* IMPACTS:THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES.

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.

&&

$$

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
3 follow-up statements
936 
WWUS76 KSGX 212116
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
116 PM PST TUE FEB 21 2012

...GUSTY NORTH TO NORTHEAST WINDS LATE TONIGHT THROUGH WEDNESDAY
MORNING FOR THE INLAND EMPIRE AND SURROUNDING COASTAL MOUNTAIN
SLOPES...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING GUSTY
NORTH TO NORTHEAST WINDS THROUGH AND BELOW PASSES AND CANYONS AND
NEAR COASTAL FOOTHILLS IN THE INLAND EMPIRE AND SURROUNDING
COASTAL SLOPES...AND IN THE SANTA ANA MOUNTAINS AND COASTAL
FOOTHILLS FOR LATE TONIGHT THROUGH EARLY WEDNESDAY.

CAZ042-048-055-057-221000-
/O.CON.KSGX.WI.Y.0014.120222T0600Z-120222T1800Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
116 PM PST TUE FEB 21 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST WEDNESDAY. 

* WINDS: AREAS OF NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 45
  MPH.

* LOCATION: ALONG AND NEAR COASTAL MOUNTAIN FOOTHILLS AND BELOW
  PASSES AND CANYONS.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES.

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
171 
WWUS76 KSGX 221022
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
222 AM PST WED FEB 22 2012

...GUSTY NORTH TO NORTHEAST WINDS THROUGH THIS MORNING FOR
THE INLAND EMPIRE AND SURROUNDING COASTAL MOUNTAIN SLOPES...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING LOCALLY GUSTY
NORTH TO NORTHEAST WINDS THROUGH AND BELOW PASSES AND CANYONS AND
NEAR COASTAL FOOTHILLS IN THE INLAND EMPIRE AND SURROUNDING
COASTAL SLOPES...AS WELL AS IN THE SANTA ANA MOUNTAINS AND
COASTAL FOOTHILLS THROUGH THIS MORNING.

CAZ042-048-055-057-221800-
/O.CON.KSGX.WI.Y.0014.000000T0000Z-120222T1800Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
222 AM PST WED FEB 22 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

* WINDS: AREAS OF NORTHEAST WINDS 15 TO 30 MPH...WITH GUSTS TO 45
  MPH.

* LOCATION: ALONG AND NEAR COASTAL MOUNTAIN FOOTHILLS AND BELOW
  PASSES AND CANYONS.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES.

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
825 
WWUS76 KSGX 221706
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
906 AM PST WED FEB 22 2012

...WIND ADVISORY CANCELLED...

.WINDS HAVE DECREASED ACROSS THE FOOTHILLS THIS MORNING.

CAZ042-048-055-057-221815-
/O.CAN.KSGX.WI.Y.0014.000000T0000Z-120222T1800Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
906 AM PST WED FEB 22 2012

...WIND ADVISORY IS CANCELLED...

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

$$
MM

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.