Alert archive / California / Wind Advisories in 2012

Wind Advisory 39, NWS San Diego, CA

June 8, 2012Riverside County, California

NWS San Diego, CA issued this wind advisory at Jun 8, 2012, 1:27 PM PDT for Riverside County, California. It took effect at Jun 8, 2012, 5:00 PM PDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 8, 2012, 1:27 PM PDT (20:27 UTC)
In effect from
Jun 8, 2012, 5:00 PM PDT
Expired
Jun 8, 2012, 8:12 PM PDT
In force
3 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 20:27 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, 8.5 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 2012-06-08Temperature 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 2012-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 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
1674 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
26 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.

352 
WWUS76 KSGX 082027
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
127 PM PDT FRI JUN 8 2012

...STRONGER WEST WIND GUSTS THROUGH AND EAST OF BANNING PASS LATE
THIS AFTERNOON THROUGH LATE TONIGHT...

.INCREASING WEST WINDS DUE TO UPPER TROUGH MOVING BY TO THE NORTH.
WINDS EXPECTED TO TEMPORARILY DIMINISH SATURDAY MORNING THEN
INCREASE AGAIN SATURDAY AFTERNOON AND NIGHT. WINDS TURNING
NORTHERLY AND DIMINISHING SUNDAY. 

CAZ061-090430-
/O.NEW.KSGX.WI.Y.0039.120609T0000Z-120609T1000Z/
COACHELLA VALLEY-
127 PM PDT FRI JUN 8 2012

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 AM PDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 AM
PDT SATURDAY. 

* WINDS...WEST 20 TO 30 MPH NEAR BANNING PASS AND NORTH OF
  INTERSTATE 10 WITH GUSTS TO 50 MPH.

* TIMING...LATE THIS AFTERNOON THROUGH EARLY SATURDAY MORNING.

* LOCATION...THE BANNING PASS TO THE INDIO HILLS AREA...AND
  BETWEEN THE INTERSTATE 10 CORRIDOR NORTH AND EAST TO THE LITTLE
  SAN BERNARDINO MOUNTAINS.

* VISIBILITY...AREAS OF BLOWING SAND WITH VISIBILITY LESS THAN A
  MILE.

* IMPACTS...MOTORISTS OPERATING HIGH PROFILE VEHICLES WILL
  ENCOUNTER DIFFICULT DRIVING CONDITIONS. 

* OUTLOOK...WINDS WILL TEMPORARILY DIMINISH SATURDAY MORNING...THEN
  INCREASE AGAIN SATURDAY AFTERNOON. 

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
1 follow-up statement
593 
WWUS76 KSGX 090312
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
812 PM PDT FRI JUN 8 2012

...WINDS ARE WEAKENING THIS EVENING...

CAZ061-090415-
/O.CAN.KSGX.WI.Y.0039.000000T0000Z-120609T1000Z/
COACHELLA VALLEY-
812 PM PDT FRI JUN 8 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS IN THE NORTHERN COACHELLA VALLEY HAVE DECREASED...BUT
OCCASIONAL GUSTS OF 30 TO 35 MPH WILL BE POSSIBLE FOR A FEW MORE
HOURS TONIGHT.

$$

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.