Alert archive / California / Wind Advisories in 2012

Wind Advisory 30, NWS San Diego, CA

April 26, 2012Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Apr 26, 2012, 2:15 AM PDT for Riverside County, San Bernardino County, San Diego County, California. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Apr 26, 2012, 2:15 AM PDT (09:15 UTC)
Expired
Apr 26, 2012, 11:05 PM PDT
In force
21 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 09:14 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, 9.3 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 00:00Z on 2012-04-26Temperature 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 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
2638 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
88 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.

965 
WWUS76 KSGX 260915
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
215 AM PDT THU APR 26 2012

...GUSTY SOUTHWEST TO WEST WINDS IN THE MOUNTAINS AND DESERTS TODAY...

.AN UPPER LEVEL LOW WILL MOVE INLAND ACROSS SOUTHERN CALIFORNIA
TODAY...BRINGING GUSTY SOUTHWEST TO WEST WINDS TO THE MOUNTAINS
AND DESERTS THROUGH THE EARLY AFTERNOON.

CAZ055-056-058-060>062-262100-
/O.NEW.KSGX.WI.Y.0030.120426T0915Z-120426T2100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
215 AM PDT THU APR 26 2012

...WIND ADVISORY IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON. 

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO
  50 MPH.

* TIMING...THIS MORNING THROUGH THE EARLY AFTERNOON.

* LOCATION...MOUNTAINS AND DESERTS...STRONGEST ALONG MOUNTAIN
  RIDGETOPS AND DESERT SLOPES.

* VISIBILITY...LOCALLY DOWN TO ONE-QUARTER MILE IN BLOWING DUST OR
  SAND IN THE DESERTS.

* IMPACTS...THESE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. VISIBILITY MAY BE REDUCED IN
  BLOWING DUST AND SAND.

* OUTLOOK...GUSTY WEST WINDS MAY CONTINUE THROUGH THIS EVENING.

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
4 follow-up statements
398 
WWUS76 KSGX 261546
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
846 AM PDT THU APR 26 2012

...WIND ADVISORIES HAVE BEEN EXTENDED INTO THE EVENING HOURS FOR
THE MOUNTAINS...AND UNTIL LATE TONIGHT FOR THE DESERTS...

.HIGH PRESSURE IS BUILDING IN RAPIDLY BEHIND A LOW PRESSURE
SYSTEM MOVING QUICKLY NORTHEAST ACROSS SOUTHERN CALIFORNIA. A
STRONG ONSHORE PRESSURE GRADIENT WILL BE PRESENT OVER THE AREA
THROUGH EARLY FRIDAY MORNING. THIS WILL PROLONG THE PERIOD OFF
WIND GUST OVER 45 MPH OVER THE MOUNTAINS INTO THE EVENING
HOURS...AND WELL INTO THE NIGHT OVER THE DESERT AREAS. 

CAZ061-062-270100-
/O.EXT.KSGX.WI.Y.0030.000000T0000Z-120427T0600Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
846 AM PDT THU APR 26 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP 
  TO 50 MPH. 

* TIMING...UNTIL 11 PM TONIGHT.

* LOCATION...NEAR THE FOOTHILLS AND BELOW PASSES AND CANYONS.

* VISIBILITY...A QUARTER MILE OR LESS IN BLOWING DUST OR SAND.

* IMPACTS...THESE 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.

&&

$$

CAZ060-270100-
/O.EXT.KSGX.WI.Y.0030.000000T0000Z-120427T0900Z/
APPLE AND LUCERNE VALLEYS-
846 AM PDT THU APR 26 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP 
  TO 50 MPH. 

* TIMING...UNTIL 2 AM PDT FRIDAY MORNING.

* LOCATION...NEAR THE SAN BERNARDINO MOUNTAINS AND OVER JOHNSON
  VALLEY. 

* VISIBILITY...A QUARTER MILE OR LESS IN AREAS OF BLOWING SAND.

* IMPACTS...THESE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR DOWNED POWER
  LINES.

* OUTLOOK...GUSTY WEST WINDS MAY CONTINUE INTO EARLY FRIDAY
  MORNING.

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.

&&

$$

CAZ055-056-058-270100-
/O.EXT.KSGX.WI.Y.0030.000000T0000Z-120427T0100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
846 AM PDT THU APR 26 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PDT THIS EVENING...

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP 
  TO 50 MPH. 

* TIMING...THROUGH 6 PM PDT THIS EVENING.

* LOCATION...ALONG RIDGE TOPS...THROUGH PASSES...AND DOWN CANYONS
  ON THE DESERT SLOPES.

* IMPACTS...THESE 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.

&&

$$
890 
WWUS76 KSGX 270014
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
514 PM PDT THU APR 26 2012

...WIND ADVISORIES CONTINUE FOR THE DESERTS BUT HAVE BEEN
CANCELLED IN THE MOUNTAINS...

.STRONG ONSHORE FLOW WILL CONTINUE LOCAL WIND GUSTS AROUND 50 MPH
THIS EVENING IN THE DESERTS. WINDS HAVE DECREASED IN THE MOUNTAINS
WITH GUSTS MOSTLY LESS THAN 30 MPH. THE WINDS WILL GRADUALLY
DIMINISH IN ALL AREAS TONIGHT.

CAZ055-056-058-270115-
/O.CAN.KSGX.WI.Y.0030.000000T0000Z-120427T0100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
514 PM PDT THU APR 26 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND
ADVISORY. MOST WIND GUSTS WILL BE LESS THAN 30 MPH THIS EVENING.

$$

CAZ061-062-270600-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-120427T0600Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
514 PM PDT THU APR 26 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP 
  TO 50 MPH. 

* TIMING...UNTIL 11 PM TONIGHT.

* LOCATION...NEAR THE FOOTHILLS AND BELOW PASSES AND CANYONS.

* VISIBILITY...LOCALLY A QUARTER MILE OR LESS IN BLOWING DUST OR
  SAND.

* IMPACTS...THESE 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.

&&

$$

CAZ060-270815-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-120427T0900Z/
APPLE AND LUCERNE VALLEYS-
514 PM PDT THU APR 26 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO
  50 MPH...DECREASING AROUND MIDNIGHT. 

* TIMING...UNTIL 2 AM PDT FRIDAY MORNING.

* LOCATION...NEAR THE SAN BERNARDINO MOUNTAIN FOOTHILLS AND OVER
  JOHNSON VALLEY.

* VISIBILITY...LOCALLY A QUARTER MILE OR LESS IN AREAS OF BLOWING
  SAND.

* IMPACTS...THESE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR 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.

&&

$$

MAXWELL
058 
WWUS76 KSGX 270405
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
905 PM PDT THU APR 26 2012

...WIND ADVISORIES CONTINUE FOR THE DESERTS...

.STRONG ONSHORE FLOW WILL CONTINUE LOCAL WIND GUSTS AROUND 50 MPH
THIS EVENING IN THE DESERTS. THE WINDS WILL GRADUALLY DIMINISH IN
ALL AREAS AFTER MIDNIGHT.

CAZ061-062-270600-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-120427T0600Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
905 PM PDT THU APR 26 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WINDS...WEST WINDS 15 TO 30 MPH...WITH GUSTS TO 50 MPH.

* TIMING...UNTIL 11 PM TONIGHT.

* LOCATION...NEAR THE FOOTHILLS AND THE NORTHERN PART OF THE
  COACHELLA VALLEY.

* VISIBILITY...LOCALLY A QUARTER MILE OR LESS IN BLOWING DUST OR 
  SAND. 

* IMPACTS...THESE 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.

&&

$$

CAZ060-270900-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-120427T0900Z/
APPLE AND LUCERNE VALLEYS-
905 PM PDT THU APR 26 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP 
  TO 50 MPH...DECREASING AROUND MIDNIGHT. 

* TIMING...UNTIL 2 AM PDT FRIDAY MORNING.

* LOCATION...NEAR THE SAN BERNARDINO MOUNTAIN FOOTHILLS AND OVER 
  JOHNSON VALLEY. 

* VISIBILITY...LOCALLY A QUARTER MILE OR LESS IN AREAS OF 
  BLOWING SAND. 

* IMPACTS...THESE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR 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.

&&

$$

MAXWELL
934 
WWUS76 KSGX 270605
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1105 PM PDT THU APR 26 2012


CAZ060-270715-
/O.CAN.KSGX.WI.Y.0030.000000T0000Z-120427T0900Z/
APPLE AND LUCERNE VALLEYS-
1105 PM PDT THU APR 26 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS WILL CONTINUE TO WEAKEN ACROSS APPLE AND LUCERNE VALLEYS
TONIGHT. LOCAL GUSTS UP TO 30 MPH WILL BE POSSIBLE THROUGH THE
NIGHT.  THEREFORE...THE WIND ADVISORY IS CANCELLED.

$$

CAZ061-062-270715-
/O.EXP.KSGX.WI.Y.0030.000000T0000Z-120427T0600Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
1105 PM PDT THU APR 26 2012

...WIND ADVISORY HAS EXPIRED...

WINDS WILL CONTINUE TO WEAKEN ACROSS THE COACHELLA VALLEY AND THE
SAN DIEGO COUNTY DESERTS THIS EVENING...WITH LOCAL GUSTS UP TO 40
MPH NEAR THE BANNING PASS. THEREFORE...THE WINDS ADVISORY WAS
ALLOWED TO EXPIRE AT 11 PM.  

$$

PALMER

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.