Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 27, NWS Las Vegas, NV

August 3, 2012Nye County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 3, 2012, 5:06 PM PDT for Nye County, Nevada. It was in force for 24 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, 5:06 PM PDT (00:06 UTC)
Expired
Aug 3, 2012, 5:30 PM PDT
In force
24 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon

County Nye County, NV

The radar

The Las Vegas radar (KESX), 121 km from the middle of the area, began a volume at 00:06 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, 0.1 hours before the alert went out and 44 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 2012-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
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.

826 
WUUS55 KVEF 040006
SVRVEF
NVC023-040030-
/O.NEW.KVEF.SV.W.0027.120804T0006Z-120804T0030Z/

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

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 530 PM PDT.

* AT 505 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS  
  OF 60 MPH AS WELL AS HAIL OF AT LEAST ONE INCH IN DIAMETER.  THIS  
  STORM WAS LOCATED NEAR KOA PAHRUMP...OR 9 MILES NORTH OF           
  PAHRUMP...AND WAS MOVING SOUTHWEST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SHADOW MOUNTAIN RV PARK.

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 3622 11600 3633 11616 3641 11602 3631 11592
TIME...MOT...LOC 0006Z 026DEG 4KT 3633 11603

$$

STACHELSKI
2 follow-up statements
510 
WWUS55 KVEF 040022
SVSVEF

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

NVC023-040030-
/O.CON.KVEF.SV.W.0027.000000T0000Z-120804T0030Z/
NYE NV-
522 PM PDT FRI AUG 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM PDT
FOR EXTREME SOUTH CENTRAL NYE COUNTY...

AT 515 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR SHADOW MOUNTAIN RV
PARK...OR 8 MILES NORTH OF PAHRUMP...AND WAS MOVING SOUTHWEST AT 5 
MPH. A SPOTTER IN PAHRUMP ON THE SOUTH SIDE REPORTED WIND GUSTS OF 
40 MPH AND BLOWING DUST REDUCING VISIBILITY WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
THE NORTH SIDE OF PAHRUMP. 

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 3622 11600 3633 11616 3641 11602 3631 11592
TIME...MOT...LOC 0022Z 026DEG 4KT 3631 11604

$$

STACHELSKI
843 
WWUS55 KVEF 040031
SVSVEF

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

NVC023-040040-
/O.EXP.KVEF.SV.W.0027.000000T0000Z-120804T0030Z/
NYE NV-
531 PM PDT FRI AUG 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR THE NORTH SIDE OF PAHRUMP IN 
SOUTH CENTRAL NYE COUNTY HAS EXPIRED...

THE THUNDERSTORM OVER THE NORTH SIDE OF PAHRUMP HAS DROPPED JUST 
BELOW SEVERE LEVELS ACCORDING TO THE LATEST RADAR IMAGES...HOWEVER 
IT STILL REMAINS A STRONG THUNDERSTORM THAT CAN PRODUCE WIND GUSTS 
OF NEARLY 50 MPH ALONG WITH SMALL HAIL.

LAT...LON 3622 11600 3633 11616 3641 11602 3631 11592
TIME...MOT...LOC 0022Z 026DEG 4KT 3631 11604

$$

STACHELSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 5:00 PM PDTSevere Thunderstorm WarningVEFNye45 min
Aug 3, 5:26 PM PDTFlash Flood WarningVEFNye72 min
Aug 3, 5:28 PM PDTSevere Thunderstorm WarningVEFNye19 min
Aug 3, 5:48 PM PDTSevere Thunderstorm WarningVEFNye42 min
Aug 3, 5:51 PM PDTFlash Flood WarningVEFNye50 min
Aug 3, 5:56 PM PDTFlash Flood WarningVEFNye65 min
Aug 3, 5:58 PM PDTSevere Thunderstorm WarningVEFNye47 min
Aug 3, 6:25 PM PDTSevere Thunderstorm WarningVEFNye50 min
Aug 3, 7:13 PM PDTFlash Flood WarningVEFNye2 hr

Nearby

Severe Thunderstorm Warnings in Nevada, 2012Every 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.