Alert archive / California / Wind Advisories in 2018

Wind Advisory 35, NWS Las Vegas, NV

December 1, 2018San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Dec 1, 2018, 8:57 AM PST for San Bernardino County, California. It took effect at Dec 1, 2018, 2:00 PM PST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 1, 2018, 8:57 AM PST (16:57 UTC)
In effect from
Dec 1, 2018, 2:00 PM PST
Expired
Dec 2, 2018, 2:45 AM PST
In force
13 hr
Issued by
NWS Las Vegas, NV

County San Bernardino County, CA

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 5.0 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 12:00Z on 2018-12-01Temperature 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 12:00Z on 2018-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 square meters per square second.1939587897117136Sfc1 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
2021 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

682 
WWUS75 KVEF 011657
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
857 AM PST Sat Dec 1 2018

CAZ523-012300-
/O.NEW.KVEF.WI.Y.0035.181201T2200Z-181202T1200Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
857 AM PST Sat Dec 1 2018

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 4 AM PST
SUNDAY...

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect from 2 PM this afternoon to 4 AM PST
Sunday. 

* TIMING...Winds will increase during the mid to late afternoon,
  peak this evening, and begin decreasing late tonight. 

* WINDS...West winds at 25 to 35 mph with gusts of 40 to 45 mph. 

* IMPACTS...Winds will make driving difficult for motorcyclists,
  large trucks, trailers, and campers traveling on Interstate 15 
  in San Bernardino County. Areas of blowing dust and sand could 
  cause areas of lower visibility. 

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. Tie down loose cargo, watch for wind prone areas, 
and allow for enough space while passing.

&&

$$
2 follow-up statements
110 
WWUS75 KVEF 012149
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
149 PM PST Sat Dec 1 2018

CAZ523-021200-
/O.CON.KVEF.WI.Y.0035.181201T2200Z-181202T1200Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
149 PM PST Sat Dec 1 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY...

* TIMING...Winds will increase during the mid to late afternoon, 
  peak this evening, and begin decreasing late tonight. 

* WINDS...West winds at 25 to 35 mph with gusts of 40 to 50 mph.

* IMPACTS...Winds will make driving difficult for motorcyclists, 
  large trucks, trailers, and campers traveling on Interstate 15 
  in San Bernardino County. Areas of blowing dust and sand could 
  cause areas of lower visibility. 

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. Tie down loose cargo, watch for wind prone areas,
and allow for enough space while passing.

&&

$$
998 
WWUS75 KVEF 021045
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
245 AM PST Sun Dec 2 2018

CAZ523-021145-
/O.CAN.KVEF.WI.Y.0035.000000T0000Z-181202T1200Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
245 AM PST Sun Dec 2 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Las Vegas has cancelled the Wind
Advisory. 

Over the last several hours, winds across San Bernardino County
have consistently remained below advisory criteria. The forecast
for the next few hours continues to show this weakening trend.
Therefore, the Wind Advisory will be cancelled. However, gusty
winds upward of 30-35 mph are still possible.

$$

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.