Alert archive / California / Wind Advisories in 2014

Wind Advisory 37, NWS Las Vegas, NV

November 29, 2014Inyo County, California

NWS Las Vegas, NV issued this wind advisory at Nov 29, 2014, 1:55 AM PST for Inyo County, California. It took effect at Nov 29, 2014, 12:00 PM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Nov 29, 2014, 1:55 AM PST (09:55 UTC)
In effect from: Nov 29, 2014, 12:00 PM PST
Expired: Nov 29, 2014, 8:00 PM PST
In force: 8 hr
Issued by: NWS Las Vegas, NV

County Inyo County, CA

The radar

The Edwards AFB radar (KEYX), 158 km from the middle of the area, began a volume at 10:01 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, 9.9 hours before the alert went out and 168 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: 3496 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 217 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.

069 
WWUS75 KVEF 290955
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
155 AM PST SAT NOV 29 2014

...GUSTY WINDS THIS AFTERNOON AND EVENING IN PORTIONS OF THE
SOUTHERN SIERRA...

.A BELT OF STRONG WINDS ALOFT WILL PASS ACROSS THE SOUTHERN SIERRA
NEVADA THIS AFTERNOON AND EVENING. THIS WILL RESULT IN GUSTY WINDS
ALONG THE CREST AND IN THE EASTERN SLOPES OF THE SOUTHERN SIERRA
NEVADA.

CAZ519-292000-
/O.NEW.KVEF.WI.Y.0037.141129T2000Z-141130T0400Z/
EASTERN SIERRA SLOPES-
INCLUDING...ASPENDELL...WHITNEY PORTAL
155 AM PST SAT NOV 29 2014

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM PST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE CREST AND EASTERN SLOPES OF THE SOUTHERN SIERRA
NEVADA...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM PST THIS
EVENING.

* WINDS: SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS OF 50 TO 60 MPH.
  LOCALLY HIGHER WINDS MAY BE EXPERIENCED ON EXPOSED RIDGETOPS. 

* TIMING: WINDS WILL INCREASE THROUGH THE AFTERNOON...BE STRONGEST
  LATE THIS AFTERNOON INTO EARLY THIS EVENING...THEN DECREASE
  THROUGH THE REST OF THE EVENING.

* LOCATIONS: ASPENDELL...WHITNEY PORTAL.

* IMPACTS: OUTDOOR ENTHUSIASTS WILL EXPERIENCE DIFFICULT CONDITIONS
  TRYING TO STAND OR MOVE ON TRAILS AND EXPOSED RIDGETOPS. POORLY
  SECURED OR LOOSE OBJECTS LEFT OUTSIDE WILL BE BLOWN AWAY.

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.

&&

$$

STACHELSKI

2 follow-up statements

472 
WWUS75 KVEF 291937
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1137 AM PST SAT NOV 29 2014

...GUSTY WINDS THROUGH THIS EVENING IN PORTIONS OF THE SOUTHERN
SIERRA...

.A BELT OF STRONG WINDS ALOFT WILL PASS ACROSS THE SOUTHERN SIERRA
NEVADA THROUGH THIS EVENING. THIS WILL RESULT IN GUSTY WINDS ALONG
THE CREST AND IN THE EASTERN SLOPES OF THE SOUTHERN SIERRA NEVADA.

CAZ519-300400-
/O.CON.KVEF.WI.Y.0037.141129T2000Z-141130T0400Z/
EASTERN SIERRA SLOPES-
INCLUDING...ASPENDELL...WHITNEY PORTAL
1137 AM PST SAT NOV 29 2014

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

* WINDS: SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS OF 50 TO 60 
  MPH. LOCALLY HIGHER WINDS MAY BE EXPERIENCED ON EXPOSED 
  RIDGETOPS. 

* TIMING: WINDS WILL BE STRONGEST LATE THIS AFTERNOON INTO EARLY
  THIS EVENING...THEN DECREASE THROUGH THE REST OF THE EVENING.

* LOCATIONS: ASPENDELL...WHITNEY PORTAL.

* IMPACTS: OUTDOOR ENTHUSIASTS WILL EXPERIENCE DIFFICULT 
  CONDITIONS TRYING TO STAND OR MOVE ON TRAILS AND EXPOSED 
  RIDGETOPS. POORLY SECURED OR LOOSE OBJECTS LEFT OUTSIDE WILL 
  BE BLOWN AWAY.

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.

&&

$$

MJP

447 
WWUS75 KVEF 300343
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
743 PM PST SAT NOV 29 2014

CAZ519-300445-
/O.EXP.KVEF.WI.Y.0037.000000T0000Z-141130T0400Z/
EASTERN SIERRA SLOPES-
INCLUDING...ASPENDELL...WHITNEY PORTAL
743 PM PST SAT NOV 29 2014

...WIND ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING...

THE WIND ADVISORY FOR THE EASTERN SIERRA SLOPES WILL EXPIRE AT 8 PM
PST THIS EVENING.

STRONG AND GUSTY WINDS ACROSS THE EASTERN SIERRA SLOPES HAVE BEGUN
TO DIMINISH. THE THREAT FOR ANY ADDITIONAL STRONG WINDS HAS PASSED. THE
WIND ADVISORY WILL EXPIRE AT 8 PM PST.

$$

Nearby

Wind Advisories in California, 2014 Every wind advisory in 2014

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.