Alert archive / California / Wind Advisories in 2012

Wind Advisory 27, NWS Las Vegas, NV

April 14, 2012San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Apr 14, 2012, 2:21 AM PDT for San Bernardino County, California. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Apr 14, 2012, 2:21 AM PDT (09:21 UTC)
Expired: Apr 14, 2012, 1:00 PM PDT
In force: 11 hr
Issued by: NWS Las Vegas, NV

County San Bernardino County, CA

The nearest sounding before it

Las Vegas, NV (KVEF), launched 00:00Z, 9.4 hours before the alert went out and 180 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2785 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 5 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.

141 
WWUS75 KVEF 140921
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
221 AM PDT SAT APR 14 2012

.A PACIFIC STORM MOVING ACROSS THE AREA TODAY WILL PRODUCE GUSTY
WINDS ACROSS THE AREA THROUGH THE MORNING...BEFORE DECREASING THIS
AFTERNOON.

CAZ523-142000-
/O.NEW.KVEF.WI.Y.0027.120414T0921Z-120414T2000Z/
WESTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN
221 AM PDT SAT APR 14 2012

...WIND ADVISORY IN EFFECT UNTIL 1 PM PDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE WESTERN MOJAVE DESERT...WHICH IS IN EFFECT UNTIL
1 PM PDT THIS AFTERNOON.

* WINDS: SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO OVER 40 MPH.

* TIMING: GUSTY WINDS WILL CONTINUE THROUGH THE MORNING BEFORE
  DECREASING THIS AFTERNOON.

* LOCATIONS: BARSTOW...DAGGET...FORT IRWIN.

* IMPACTS: STRONG CROSSWINDS MAY BE SEEN ON INTERSTATES 15 AND 10
  WHILE LOCAL AREAS OF BLOWING DUST MAY RAPIDLY LOWER VISIBILITIES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

1 follow-up statement

667 
WWUS75 KVEF 141948
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1248 PM PDT SAT APR 14 2012

CAZ523-142100-
/O.EXP.KVEF.WI.Y.0027.000000T0000Z-120414T2000Z/
WESTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN
1248 PM PDT SAT APR 14 2012

...WIND ADVISORY WILL EXPIRE AT 1 PM PDT THIS AFTERNOON...

THE WIND ADVISORY FOR NORTHWEST SAN BERNARDINO COUNTY WILL EXPIRE
AT 1 PM PDT THIS AFTERNOON.

WINDS WERE BEGINNING TO SUBSIDE IN AREAS NORTH OF INTERSTATE 40
EARLY THIS AFTERNOON...AND THE LIGHTER WINDS WILL SPREAD SOUTH
THROUGH THE DAY. THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE.

DRIVERS ON INTERSTATE 40 AND ON INTERSTATE 15 NEAR AND SOUTH OF
BARSTOW SHOULD REMAIN ALERT FOR LOCALLY STRONG WINDS THIS
AFTERNOON.

$$

MORGAN

Nearby

Wind Advisories in California, 2012 Every 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.