Alert archive / California / Wind Advisories in 2008

Wind Advisory 9, NWS Las Vegas, NV

February 20, 2008San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Feb 20, 2008, 11:20 AM PST for San Bernardino County, California. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 20, 2008, 11:20 AM PST (19:20 UTC)
Expired
Feb 20, 2008, 7:00 PM PST
In force
8 hr
Issued by
NWS Las Vegas, NV

County San Bernardino County, CA

The nearest sounding before it

Edwards AFB, CA (KEDW), launched 12:00Z, 7.3 hours before the alert went out and 148 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, Edwards AFB, CA at 12:00Z on 2008-02-20Temperature 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, Edwards AFB, CA at 12:00Z on 2008-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
1176 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
38 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.

000 
WWUS75 KVEF 201920
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1120 AM PST WED FEB 20 2008

...GUSTY WINDS WILL BE SEEN ACROSS WESTERN SAN BERNDARDINO COUNTY
THIS AFTERNOON...

.A PACIFIC STORM MOVING ACROSS CENTRAL CALIFORNIA TODAY WILL ALLOW
FOR WESTERLY WINDS TO CONTINUE ACROSS SAN BERNARDINO COUNTY THIS
AFTERNOON AND INTO THIS EVENING. ALTHOUGH GUSTY WINDS WILL BE
LIKELY ACROSS MUCH OF THE COUNTY...THE STRONGEST WINDS WILL BE OVER THE
WESTERN PORTION.

CAZ523-210300-
/O.NEW.KVEF.WI.Y.0009.080220T1920Z-080221T0300Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
1120 AM PST WED FEB 20 2008

...WIND ADVISORY IN EFFECT UNTIL 7 PM PST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM PST THIS EVENING FOR THE
WESTERN MOJAVE DESERT.

WEST WINDS BETWEEN 15 AND 25 MPH WITH GUSTS TO NEAR 45 MPH WILL BE
SEEN THROUGH EARLY EVENING BEFORE DECREASING BY MID EVENING. 

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS...AS LOCAL
CROSS WINDS MAY MAKE DRIVING DIFFICULT. IN ADDITION...LOCAL AREAS
OF BLOWING DUST MAY BRIEFLY LOWER VISIBILITIES.

$$
2 follow-up statements
000 
WWUS75 KVEF 202331
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
331 PM PST WED FEB 20 2008

...GUSTY WINDS WILL CONTINUE INTO EARLY EVENING ACROSS WESTERN
SAN BERNARDINO COUNTY...

.A PACIFIC STORM MOVING OVER SOUTHERN NEVADA THIS AFTERNOON WILL
CONTINUE TO ALLOW FOR WESTERLY WINDS ACROSS SAN BERNARDINO COUNTY
THROUGH THIS EVENING. ALTHOUGH GUSTY WINDS WILL BE LIKELY ACROSS
MUCH OF THE COUNTY...THE STRONGEST WINDS WILL REMAIN OVER THE
WESTERN PORTION.

CAZ523-210300-
/O.CON.KVEF.WI.Y.0009.000000T0000Z-080221T0300Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
331 PM PST WED FEB 20 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING FOR
WESTERN MOJAVE COUNTY.

WEST WINDS BETWEEN 15 AND 25 MPH WITH GUSTS TO NEAR 45 MPH WILL
CONTINUE THROUGH EARLY EVENING BEFORE DECREASING BY MID EVENING.

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS...AS LOCAL
CROSS WINDS MAY MAKE DRIVING DIFFICULT.

$$
000 
WWUS75 KVEF 210258
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
658 PM PST WED FEB 20 2008

CAZ523-210400-
/O.EXP.KVEF.WI.Y.0009.000000T0000Z-080221T0300Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
658 PM PST WED FEB 20 2008

...WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING FOR WESTERN
SAN BERNARDINO COUNTY.

WINDS ACROSS WESTERN SAN BERNARDINO WILL CONTINUE TO DECREASE THIS
EVENING AS AN AREA OF LOW PRESSURE OVER NORTHWEST ARIZONA MOVES
EAST. THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 700 PM PST.

THE PEAK WIND GUST AT BARSTOW-DAGGETT AIRPORT WAS 46 MPH AND
OCCURRED AT 351 PM. 

$$

PIERCE

Nearby

Wind Advisories in California, 2008Every wind advisory in 2008

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.