Alert archive / California / Wind Advisories in 2018

Wind Advisory 8, NWS Las Vegas, NV

February 24, 2018San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Feb 24, 2018, 2:28 AM PST for San Bernardino County, California. It took effect at Feb 24, 2018, 2:00 PM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2018, 2:28 AM PST (10:28 UTC)
In effect from
Feb 24, 2018, 2:00 PM PST
Expired
Feb 24, 2018, 10:00 PM PST
In force
8 hr
Issued by
NWS Las Vegas, NV

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 10:28 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

Las Vegas, NV (KVEF), launched 00:00Z, 10.5 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-pSkew-T log-p diagram, Las Vegas, NV at 00:00Z on 2018-02-24Temperature 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, Las Vegas, NV at 00:00Z on 2018-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.19395878Sfc1 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
2002 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

721 
WWUS75 KVEF 241028
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
228 AM PST Sat Feb 24 2018

CAZ523-242300-
/O.NEW.KVEF.WI.Y.0008.180224T2200Z-180225T0600Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
228 AM PST Sat Feb 24 2018

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

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect from 2 PM this afternoon to 10 PM
PST this evening. 

* TIMING...Winds are expected to increase significantly by around
  2 pm and remain strong until about 10 pm this evening. 

* WINDS...West winds 25 to 35 mph with gusts to 45 mph.

* IMPACTS...Difficult driving conditions and the possibility of
  blowing dust. Loose objects will be blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means strong winds gusting over 40 mph can make
driving difficult...especially for high profile vehicles. Use
extra caution.

&&

$$
2 follow-up statements
659 
WWUS75 KVEF 242204
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
204 PM PST Sat Feb 24 2018

CAZ523-250600-
/O.CON.KVEF.WI.Y.0008.000000T0000Z-180225T0600Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
204 PM PST Sat Feb 24 2018

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

* TIMING...Winds will continue to increase through early evening
  and remain strong until about 10 pm.
  
* WINDS...West winds 25 to 35 mph with gusts to 45 mph.

* IMPACTS...Difficult driving conditions and the possibility of 
  blowing dust. Loose objects will be blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means strong winds gusting over 40 mph can make
driving difficult...especially for high profile vehicles. Use
extra caution.

&&

$$
065 
WWUS75 KVEF 250545
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
945 PM PST Sat Feb 24 2018

CAZ523-250645-
/O.EXP.KVEF.WI.Y.0008.000000T0000Z-180225T0600Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
945 PM PST Sat Feb 24 2018

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

Wind speeds will decrease to between 10 and 20 mph across the
Western Mojave Desert in San Bernardino County through midnight
and the early morning hours as the wind direction changes from
west to north.

$$

Nearby

Wind Advisories in California, 2018Every wind advisory in 2018

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.