Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Elko, NV

August 21, 2012Eureka County, White Pine County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 21, 2012, 11:59 AM PDT for Eureka County, White Pine County, Nevada. It was in force for 46 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 21, 2012, 11:59 AM PDT (18:59 UTC)
Expired
Aug 21, 2012, 12:45 PM PDT
In force
46 min
Issued by
NWS Elko, NV
Area
Storm-based polygon

Counties Eureka County, NV, White Pine County, NV

The radar

The Elko radar (KLRX), 146 km from the middle of the area, began a volume at 19:03 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

Reno, NV (KREV), launched 12:00Z, 7.0 hours before the alert went out and 176 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, Reno, NV at 12:00Z on 2012-08-21Temperature 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, Reno, NV at 12:00Z on 2012-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.19395878Sfc1 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
3870 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
75 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.

454 
WUUS55 KLKN 211859
SVRLKN
NVC011-033-211945-
/O.NEW.KLKN.SV.W.0013.120821T1859Z-120821T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
1159 AM PDT TUE AUG 21 2012

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME WEST CENTRAL WHITE PINE COUNTY IN EASTERN NEVADA...
  SOUTH CENTRAL EUREKA COUNTY IN NORTH CENTRAL NEVADA...
  THIS INCLUDES THE CITIES OF...PINTO SUMMIT...EUREKA AIRPORT...
  EUREKA...DIAMOND VALLEY...

* UNTIL 1245 PM PDT

* AT 1153 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 22
  MILES WEST OF EUREKA...OR 21 MILES EAST OF HICKISON SUMMIT...AND
  MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EUREKA...
  EUREKA AIRPORT...
  PINTO SUMMIT...
  RURAL SOUTHERN EUREKA COUNTY...
  RURAL WESTERN WHITE PINE COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 3974 11604 3943 11587 3929 11631 3944 11647
TIME...MOT...LOC 1858Z 233DEG 15KT 3941 11632

$$

TURNER
3 follow-up statements
547 
WWUS55 KLKN 211914
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1214 PM PDT TUE AUG 21 2012

NVC011-033-211945-
/O.CON.KLKN.SV.W.0013.000000T0000Z-120821T1945Z/
WHITE PINE NV-EUREKA NV-
1214 PM PDT TUE AUG 21 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM PDT
FOR SOUTH CENTRAL EUREKA AND EXTREME WEST CENTRAL WHITE PINE
COUNTIES...

AT 1210 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED 18 MILES WEST OF EUREKA...MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RURAL EUREKA COUNTY WEST OF EUREKA AND SOUTH OF U.S. HIGHWAY 50
  EUREKA...
  EUREKA AIRPORT...
  RURAL SOUTHERN EUREKA COUNTY...
  RURAL WESTERN WHITE PINE COUNTY...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD 
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 3974 11604 3943 11587 3929 11631 3944 11647
TIME...MOT...LOC 1912Z 233DEG 15KT 3945 11626

$$

TURNER
136 
WWUS55 KLKN 211931
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1231 PM PDT TUE AUG 21 2012

NVC011-033-211945-
/O.CON.KLKN.SV.W.0013.000000T0000Z-120821T1945Z/
WHITE PINE NV-EUREKA NV-
1231 PM PDT TUE AUG 21 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM PDT
FOR SOUTH CENTRAL EUREKA AND EXTREME WEST CENTRAL WHITE PINE
COUNTIES...

AT 1226 PM PDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THIS STORM WAS LOCATED 13 MILES SOUTHWEST OF EUREKA AIRPORT...
MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EUREKA AIRPORT...
  EUREKA...
  PINTO SUMMIT...
  U.S. HIGHWAY 50 NEAR EUREKA...
  RURAL SOUTHERN EUREKA COUNTY...
  RURAL WESTERN WHITE PINE COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 3968 11601 3943 11587 3929 11631 3944 11647
TIME...MOT...LOC 1930Z 233DEG 15KT 3950 11618

$$

TURNER
663 
WWUS55 KLKN 211944
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1244 PM PDT TUE AUG 21 2012

NVC011-033-211954-
/O.EXP.KLKN.SV.W.0013.000000T0000Z-120821T1945Z/
WHITE PINE NV-EUREKA NV-
1244 PM PDT TUE AUG 21 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL EUREKA AND
EXTREME WEST CENTRAL WHITE PINE COUNTIES WILL EXPIRE AT 1245 PM
PDT...

&&

LAT...LON 3968 11601 3943 11587 3929 11631 3944 11647
TIME...MOT...LOC 1944Z 233DEG 15KT 3953 11612

$$
LW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 2:26 AM PDTFlash Flood WatchLKNElko, Nye, White Pine41 hr
Aug 21, 12:40 PM PDTTornado WarningLKNEureka, White Pine35 min
Aug 21, 1:06 PM PDTFlash Flood WarningLKNEureka, White Pine114 min
Aug 21, 1:07 PM PDTSevere Thunderstorm WarningLKNEureka, White Pine23 min
Aug 21, 1:18 PM PDTSevere Thunderstorm WarningLKNLander, Nye42 min
Aug 21, 1:32 PM PDTSpecial Weather StatementLKNWhite Pine43 min
Aug 21, 1:41 PM PDTSpecial Weather StatementLKN49 min
Aug 21, 2:26 PM PDTSpecial Weather StatementLKNWhite Pine34 min
Aug 21, 2:38 PM PDTFlash Flood WarningLKNLander, Nye3 hr
Aug 21, 3:34 PM PDTSpecial Weather StatementLKN41 min
Aug 21, 3:36 PM PDTAreal Flood AdvisoryLKNEureka, White Pine3 hr
Aug 21, 4:18 PM PDTSpecial Weather StatementLKNLander, White Pine57 min
Aug 21, 4:38 PM PDTAreal Flood AdvisoryLKNEureka, Nye, White Pine3 hr
Aug 21, 4:53 PM PDTAreal Flood AdvisoryLKNEureka, Lander, Nye3 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.