Alert archive / California / Wind Advisories in 2012

Wind Advisory 41, NWS San Diego, CA

June 22, 2012Riverside County, California

NWS San Diego, CA issued this wind advisory at Jun 22, 2012, 7:52 AM PDT for Riverside County, California. It took effect at Jun 22, 2012, 2:00 PM PDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jun 22, 2012, 7:52 AM PDT (14:52 UTC)
In effect from
Jun 22, 2012, 2:00 PM PDT
Expired
Jun 22, 2012, 10:00 PM PDT
In force
8 hr
Issued by
NWS San Diego, CA

County Riverside County, CA

The radar

The San Diego radar (KNKX), 134 km from the middle of the area, began a volume at 14:51 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, 2.9 hours before the alert went out and 154 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 2012-06-22Temperature 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 2012-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 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
1431 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
-24 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.

614 
WWUS76 KSGX 221452
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
752 AM PDT FRI JUN 22 2012

...WIND ADVISORY THIS AFTERNOON AND EVENING BETWEEN THE BANNING
PASS AND DESERT HOT SPRINGS FOR WINDS GUSTING 45 TO NEAR 60 MPH...

.THE TROUGH MOVING INLAND TO THE NORTH THIS AFTERNOON AND EVENING
WILL CREATE STRONG ONSHORE PRESSURE GRADIENTS...RESULTING IN
STRONGER THAN NORMAL WINDS THROUGH AND TO THE EAST OF THE BANNING
PASS. 

CAZ061-222300-
/O.NEW.KSGX.WI.Y.0041.120622T2100Z-120623T0500Z/
COACHELLA VALLEY-
752 AM PDT FRI JUN 22 2012

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
PDT THIS EVENING. 

* WINDS...WEST 25 TO 30 MPH WITH GUSTS 45 TO NEAR 60 MPH THIS
  AFTERNOON AND EVENING.

* TIMING...WINDS INCREASING THROUGH 8 PM THIS EVENING...THEN
  DIMINISHING AFTER 10 PM TONIGHT. STRONGEST WIND GUSTS EXPECTED
  BETWEEN 5 PM AND 8 PM.

* LOCATION...FROM BANNING PASS EAST TO DESERT HOT SPRINGS AND
  AREAS BETWEEN INTERSTATE 10 AND THE LITTLE SAN BERNARDINO
  MOUNTAINS.

* VISIBILITY...AREAS OF VISIBILITY BELOW 1 MILE IN BLOWING SAND
  AND DUST. 

* IMPACTS...DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR HIGH
  PROFILE VEHICLES. BLOWING DEBRIS AND SAND MAY CAUSE DAMAGE TO
  WINDSHIELDS AND SIGNS.

* OUTLOOK...WIND GUSTS 35 TO 45 MPH CONTINUING INTO SATURDAY.

* REPORTS...650 AM WHITEWATER RAWS...WIND W 28 MPH GUSTS 47 MPH.
  705 AM EDOM HILL...WIND NW 28 MPH GUSTS 40 MPH.

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.

&&

$$

BALFOUR
2 follow-up statements
857 
WWUS76 KSGX 222006
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
106 PM PDT FRI JUN 22 2012

...WIND ADVISORY THIS AFTERNOON AND EVENING BETWEEN THE BANNING
PASS AND DESERT HOT SPRINGS FOR WINDS GUSTING 45 TO NEAR 60 MPH...

.WIND GUSTS OVER 45 MPH ALREADY BEING OBSERVED. WINDS SHOULD
CONTINUE TO INCREASE THROUGH REMAINDER OF AFTERNOON AND EARLY
EVENING HOURS...THEN DIMINISH AFTER 10 PM. MAIN IMPACT AREA IS 
THROUGH AND TO THE EAST OF THE BANNING PASS.

CAZ061-230500-
/O.CON.KSGX.WI.Y.0041.120622T2100Z-120623T0500Z/
COACHELLA VALLEY-
106 PM PDT FRI JUN 22 2012

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

* WINDS...WEST 25 TO 30 MPH WITH GUSTS 45 TO NEAR 60 MPH THIS 
  AFTERNOON AND EVENING. 

* TIMING...WINDS INCREASING THROUGH 8 PM THIS EVENING...THEN 
  DIMINISHING AFTER 10 PM TONIGHT. STRONGEST WIND GUSTS EXPECTED 
  BETWEEN 5 PM AND 8 PM. 

* LOCATION...FROM BANNING PASS EAST TO DESERT HOT SPRINGS AND 
  AREAS BETWEEN INTERSTATE 10 AND THE LITTLE SAN BERNARDINO 
  MOUNTAINS. 

* VISIBILITY...AREAS OF VISIBILITY BELOW 1 MILE IN BLOWING SAND 
  AND DUST. 

* IMPACTS...DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR HIGH 
  PROFILE VEHICLES. BLOWING DEBRIS AND SAND MAY CAUSE DAMAGE TO 
  WINDSHIELDS AND SIGNS. 

* OUTLOOK...WIND GUSTS 35 TO 45 MPH CONTINUING INTO SATURDAY.

* REPORTS...1250 PM WHITEWATER RAWS...WIND W 28 MPH GUSTS 50 MPH.

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.

&&

$$

BALFOUR
562 
WWUS76 KSGX 230453
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
953 PM PDT FRI JUN 22 2012


CAZ061-230600-
/O.EXP.KSGX.WI.Y.0041.000000T0000Z-120623T0500Z/
COACHELLA VALLEY-
953 PM PDT FRI JUN 22 2012

...WIND ADVISORY WILL EXPIRE AT 10 PM PDT THIS EVENING...

THE STRONG GUSTY WINDS OF THIS EVENING WILL GRADUALLY DIMINISH
OVERNIGHT. LOCAL WIND GUSTS OVER 40 MPH WILL CONTINUE IN THE FAR
NORTH PARTS OF THE COACHELLA VALLEY OVERNIGHT...BUT MOST PARTS OF
THE COACHELLA VALLEY WILL HAVE LIGHTER WINDS.

$$

MAXWELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 6:36 PM PDTSmall Craft Advisory for WindsSGX29 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.