Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 72, NWS Las Vegas, NV

October 12, 2012Lincoln County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Oct 12, 2012, 12:28 AM PDT for Lincoln County, Nevada. It was in force for 32 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
Oct 12, 2012, 12:28 AM PDT (07:28 UTC)
Expired
Oct 12, 2012, 1:00 AM PDT
In force
32 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon

County Lincoln County, NV

The radar

The Las Vegas radar (KESX), 157 km from the middle of the area, began a volume at 07:30 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, 7.5 hours before the alert went out and 99 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 2012-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 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 2012-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939587897Sfc1 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
305 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

309 
WUUS55 KVEF 120728
SVRVEF
NVC017-120800-
/O.NEW.KVEF.SV.W.0072.121012T0728Z-121012T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1228 AM PDT FRI OCT 12 2012

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 100 AM PDT.

* AT 1225 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.        
  THIS STORM WAS LOCATED OVER SOUTH CENTRAL LINCOLN COUNTY ABOUT 5   
  MILES NORTH OF COYOTE SPRINGS...OR 28 MILES NORTHWEST OF           
  MOAPA...AND WAS MOVING NORTH AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  U.S. HIGHWAY 95 IN SOUTHERN LINCOLN COUNTY...
  AND RURAL AREAS OF SOUTHERN LINCOLN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT OUTDOORS...SEEK
SHELTER IN A STURDY BUILDING UNTIL THE STORM PASSES.

&&

LAT...LON 3728 11476 3685 11491 3686 11507 3728 11507
TIME...MOT...LOC 0726Z 189DEG 32KT 3696 11499

$$

WOLCOTT
3 follow-up statements
910 
WUUS55 KVEF 120731 CCA
SVRVEF
NVC017-120800-
/O.COR.KVEF.SV.W.0072.121012T0728Z-121012T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
1228 AM PDT FRI OCT 12 2012

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 100 AM PDT.

* AT 1225 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.        
  THIS STORM WAS LOCATED OVER SOUTH CENTRAL LINCOLN COUNTY ABOUT 5   
  MILES NORTH OF COYOTE SPRINGS...OR 28 MILES NORTHWEST OF           
  MOAPA...AND WAS MOVING NORTH AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  U.S. HIGHWAY 93 IN SOUTHERN LINCOLN COUNTY...
  AND RURAL AREAS OF SOUTHERN LINCOLN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT OUTDOORS...SEEK
SHELTER IN A STURDY BUILDING UNTIL THE STORM PASSES.

&&

LAT...LON 3728 11476 3685 11491 3686 11507 3728 11507
TIME...MOT...LOC 0726Z 189DEG 32KT 3696 11499

$$

WOLCOTT
593 
WWUS55 KVEF 120750
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1250 AM PDT FRI OCT 12 2012

NVC017-120800-
/O.CON.KVEF.SV.W.0072.000000T0000Z-121012T0800Z/
LINCOLN NV-
1250 AM PDT FRI OCT 12 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM PDT
FOR SOUTH CENTRAL LINCOLN COUNTY...

AT 1244 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED OVER SOUTH CENTRAL LINCOLN COUNTY...OR
19 MILES SOUTHEAST OF ALAMO...AND WAS MOVING NORTH AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
U.S. HIGHWAY 93 BETWEEN MILE MARKERS 11 AND 27 IN SOUTHERN LINCOLN 
COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT OUTDOORS...SEEK
SHELTER IN A STURDY BUILDING UNTIL THE STORM PASSES.

&&

LAT...LON 3700 11486 3698 11507 3728 11507 3728 11476
TIME...MOT...LOC 0749Z 189DEG 32KT 3716 11495

$$

WOLCOTT
817 
WWUS55 KVEF 120759
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1259 AM PDT FRI OCT 12 2012

NVC017-120806-
/O.EXP.KVEF.SV.W.0072.000000T0000Z-121012T0800Z/
LINCOLN NV-
1259 AM PDT FRI OCT 12 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LINCOLN COUNTY 
WILL EXPIRE AT 100 AM PDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND NO LONGER POSES 
AN IMMEDIATE THREAT TO LIFE OR PROPERTY. BRIEF HEAVY RAIN...BREEZY 
WINDS...AND LIGHTNING ARE STILL POSSIBLE WITH THIS STORM. PLEASE 
REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE IN LAS 
VEGAS AT 1-800-240-4932.

LAT...LON 3700 11486 3698 11507 3728 11507 3728 11476
TIME...MOT...LOC 0756Z 189DEG 32KT 3722 11494

$$

WOLCOTT

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 5:25 PM PDTSevere Thunderstorm WarningVEFClark, Nye35 min
Oct 11, 5:52 PM PDTSevere Thunderstorm WarningVEFNye53 min
Oct 11, 6:45 PM PDTFlash Flood WarningVEFClark2 hr
Oct 11, 7:56 PM PDTFlash Flood WarningVEFClark80 min
Oct 11, 8:12 PM PDTSevere Thunderstorm WarningVEFClark48 min
Oct 11, 8:21 PM PDTFlash Flood WarningVEFClark114 min
Oct 11, 8:57 PM PDTSevere Thunderstorm WarningVEFClark48 min
Oct 11, 9:07 PM PDTFlash Flood WarningVEFClark113 min
Oct 11, 9:40 PM PDTSevere Thunderstorm WarningVEFClark27 min
Oct 11, 10:15 PM PDTFlash Flood WarningVEFClark2 hr
Oct 11, 10:42 PM PDTFlash Flood WarningVEFClark94 min
Oct 12, 12:03 AM PDTFlash Flood WarningVEFNye87 min
Oct 12, 1:43 PM PDTFlash Flood WarningVEFClark2 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.