Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 32, NWS Las Vegas, NV

August 3, 2012Nye County, Nevada; Inyo County, California

NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 3, 2012, 6:25 PM PDT for Nye County, Nevada; Inyo County, California. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 3, 2012, 6:25 PM PDT (01:25 UTC)
Expired: Aug 3, 2012, 7:15 PM PDT
In force: 50 min
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon

Counties Inyo County, CA, Nye County, NV

The radar

The Las Vegas radar (KESX), 151 km from the middle of the area, began a volume at 01:28 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, 1.4 hours before the alert went out and 72 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: 35 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 3971 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 10 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.

883 
WUUS55 KVEF 040125
SVRVEF
CAC027-NVC023-040215-
/O.NEW.KVEF.SV.W.0032.120804T0125Z-120804T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
625 PM PDT FRI AUG 3 2012

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL INYO COUNTY IN EASTERN CALIFORNIA...
  SOUTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 715 PM PDT.

* AT 620 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 12 MILES NORTH OF DEATH VALLEY JUNCTION TO PAHRUMP...OR ALONG
  A LINE EXTENDING FROM 25 MILES EAST OF FURNACE CREEK TO PAHRUMP...
  AND WERE MOVING SOUTHWEST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DEATH VALLEY JUNCTION AS WELL AS PORTIONS OF STATE ROUTE 127 FROM  
  DEATH VALLEY JUNCTION TO MILE MARKER 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS WHICH CAN BRING
DOWN TREES AND POWER LINES AND CAUSE SIGNIFICANT BLOWING DUST AND
DEBRIS. IN ADDITION...HAIL AND LIGHTNING ARE LIKELY. LIGHTNING CAN
KILL! TAKE COVER IN A SUBSTANTIAL SHELTER AND STAY AWAY FROM WINDOWS
UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS
NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER
HASHTAG...NWSVEGAS.

&&

LAT...LON 3664 11648 3621 11595 3605 11612 3620 11642
      3654 11660
TIME...MOT...LOC 0125Z 042DEG 16KT 3646 11642 3615 11606

$$

STACHELSKI

2 follow-up statements

676 
WWUS55 KVEF 040153
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
653 PM PDT FRI AUG 3 2012

CAC027-NVC023-040215-
/O.CON.KVEF.SV.W.0032.000000T0000Z-120804T0215Z/
INYO CA-NYE NV-
653 PM PDT FRI AUG 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM PDT
FOR SOUTH CENTRAL NYE AND EAST CENTRAL INYO COUNTIES...

AT 641 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH AND ONE HALF TO THREE QUARTER INCH HAIL 
AND VERY HEAVY RAIN. THESE STORMS WERE LOCATED ALONG A THE NEVADA 
AND CALIFORNIA STATE BORDER BETWEEN ARMAGOSA VALLEY AND PAHRUMP AND 
WERE MOVING SOUTHWEST AT AROUND 10 MPH.

LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EASTERN INYO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS WHICH CAN BRING
DOWN TREES AND POWER LINES AND CAUSE SIGNIFICANT BLOWING DUST AND
DEBRIS. IN ADDITION...HAIL AND LIGHTNING ARE LIKELY. LIGHTNING CAN
KILL! TAKE COVER IN A SUBSTANTIAL SHELTER AND STAY AWAY FROM WINDOWS
UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS
NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER
HASHTAG...NWSVEGAS.

&&

LAT...LON 3664 11648 3621 11595 3605 11612 3620 11642
      3654 11660
TIME...MOT...LOC 0148Z 042DEG 16KT 3638 11650 3607 11614

$$

JS

850 
WWUS55 KVEF 040214
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
714 PM PDT FRI AUG 3 2012

CAC027-NVC023-040224-
/O.EXP.KVEF.SV.W.0032.000000T0000Z-120804T0215Z/
INYO CA-NYE NV-
714 PM PDT FRI AUG 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL NYE AND EAST
CENTRAL INYO COUNTIES WILL EXPIRE AT 715 PM PDT...

THE THREAT OF SEVERE WEATHER HAS DIMINISHED AND THE STORMS HAVE 
BECOME MORE OF A RAIN THREAT. THEREFORE THE WARNING WILL BE ALLOWED 
TO EXPIRE ON TIME.

LAT...LON 3664 11648 3621 11595 3605 11612 3620 11642
      3654 11660
TIME...MOT...LOC 0214Z 042DEG 16KT 3629 11660 3598 11624

$$

JS

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 3, 5:00 PM PDT	Severe Thunderstorm Warning	VEF	Nye	45 min
Aug 3, 5:06 PM PDT	Severe Thunderstorm Warning	VEF	Nye	24 min
Aug 3, 5:26 PM PDT	Flash Flood Warning	VEF	Nye	72 min
Aug 3, 5:28 PM PDT	Severe Thunderstorm Warning	VEF	Nye	19 min
Aug 3, 5:48 PM PDT	Severe Thunderstorm Warning	VEF	Nye	42 min
Aug 3, 5:51 PM PDT	Flash Flood Warning	VEF	Nye	50 min
Aug 3, 5:56 PM PDT	Flash Flood Warning	VEF	Nye	65 min
Aug 3, 5:58 PM PDT	Severe Thunderstorm Warning	VEF	Nye	47 min
Aug 3, 7:13 PM PDT	Flash Flood Warning	VEF	Nye	2 hr
Aug 3, 6:29 PM PDT	Flash Flood Warning	VEF	Inyo	5 hr
Aug 3, 8:42 PM PDT	Flash Flood Warning	VEF	Inyo	3 hr

Nearby

Severe Thunderstorm Warnings in Nevada, 2012 Severe Thunderstorm Warnings in California, 2012 Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.