Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Elko, NV

August 31, 2012Eureka County, Lander County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 31, 2012, 3:26 PM PDT for Eureka County, Lander County, Nevada. It was in force for 28 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 31, 2012, 3:26 PM PDT (22:26 UTC)
Expired
Aug 31, 2012, 3:54 PM PDT
In force
28 min
Issued by
NWS Elko, NV
Area
Storm-based polygon

Counties Eureka County, NV, Lander County, NV

The radar

The Elko radar (KLRX), 159 km from the middle of the area, began a volume at 22:28 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

Reno, NV (KREV), launched 12:00Z, 10.4 hours before the alert went out and 156 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 2012-08-31Temperature 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 2012-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
3186 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
154 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.

652 
WUUS55 KLKN 312226
SVRLKN
NVC011-015-312315-
/O.NEW.KLKN.SV.W.0021.120831T2226Z-120831T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
326 PM PDT FRI AUG 31 2012

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN EUREKA COUNTY IN NORTH CENTRAL NEVADA...
  EXTREME SOUTHEASTERN LANDER COUNTY IN NORTH CENTRAL NEVADA...

* UNTIL 415 PM PDT

* AT 323 PM 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 OVER
  EXTREME SOUTHWESTERN EUREKA COUNTY...OR 19 MILES SOUTHEAST OF
  HICKISON SUMMIT...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RURAL EUREKA COUNTY SOUTH OF U.S. HIGHWAY 50...
  RURAL SOUTHWESTERN EUREKA COUNTY...
  RURAL SOUTHERN EUREKA 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.

&&

LAT...LON 3951 11642 3934 11611 3916 11650 3921 11660
TIME...MOT...LOC 2226Z 212DEG 18KT 3921 11654

$$

TURNER
2 follow-up statements
086 
WWUS55 KLKN 312243
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
343 PM PDT FRI AUG 31 2012

NVC011-015-312315-
/O.CON.KLKN.SV.W.0021.000000T0000Z-120831T2315Z/
EUREKA NV-LANDER NV-
343 PM PDT FRI AUG 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM PDT
FOR LANDER AND SOUTHWESTERN EUREKA COUNTIES...

AT 340 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 17 MILES SOUTHEAST OF HICKISON SUMMIT...MOVING NORTHEAST AT
20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RURAL SOUTHWEST EUREKA COUNTY SOUTH OF U.S. HIGHWAY 50...
  RURAL SOUTHERN EUREKA COUNTY...
  RURAL SOUTHEASTERN LANDER COUNTY...

&&

LAT...LON 3951 11642 3934 11611 3916 11650 3921 11660
TIME...MOT...LOC 2242Z 212DEG 18KT 3928 11649

$$

TURNER
682 
WWUS55 KLKN 312254
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
354 PM PDT FRI AUG 31 2012

NVC011-015-312303-
/O.CAN.KLKN.SV.W.0021.000000T0000Z-120831T2315Z/
EUREKA NV-LANDER NV-
354 PM PDT FRI AUG 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR LANDER AND SOUTHWESTERN EUREKA
COUNTIES IS CANCELLED...

THE STRONG LINE OF THUNDERSTORMS HAS WEAKENED SIGNIFICANTLY SINCE 
THE FIRST WARNING WAS ISSUED AND HAS DROPPED TO BELOW SEVERE 
THRESHOLDS. HEAVY RAIN AND FREQUENT LIGHTNING REMAIN LIKELY...BUT 
DUE TO ITS WEAKENING...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

&&

LAT...LON 3951 11642 3934 11611 3916 11650 3921 11660
TIME...MOT...LOC 2253Z 212DEG 18KT 3933 11645

$$

86/BAT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 6:47 PM PDTSpecial Weather StatementLKN43 min
Aug 31, 12:19 PM PDTSpecial Weather StatementLKN41 min
Aug 31, 12:36 PM PDTSpecial Weather StatementLKN39 min
Aug 31, 12:50 PM PDTSevere Thunderstorm WarningLKNNye55 min
Aug 31, 1:28 PM PDTSpecial Weather StatementLKN32 min
Aug 31, 1:35 PM PDTSevere Thunderstorm WarningLKNLander, Nye27 min
Aug 31, 1:46 PM PDTSpecial Weather StatementLKNLander44 min
Aug 31, 2:09 PM PDTSevere Thunderstorm WarningLKNLander23 min
Aug 31, 2:15 PM PDTSevere Thunderstorm WarningLKNNye45 min
Aug 31, 2:25 PM PDTSpecial Weather StatementLKN35 min
Aug 31, 2:48 PM PDTSevere Thunderstorm WarningLKNNye27 min
Aug 31, 3:37 PM PDTSpecial Weather StatementLKN23 min
Aug 31, 3:49 PM PDTSpecial Weather StatementLKN56 min
Aug 31, 3:54 PM PDTSevere Thunderstorm WarningLKNEureka, White Pine34 min
Aug 31, 3:59 PM PDTSpecial Weather StatementLKN46 min
Aug 31, 4:10 PM PDTSevere Thunderstorm WarningLKNNye, White Pine35 min
Aug 31, 4:21 PM PDTAreal Flood AdvisoryLKNElko, Eureka111 min
Aug 31, 4:33 PM PDTSpecial Weather StatementLKN57 min
Aug 31, 4:36 PM PDTSpecial Weather StatementLKNHumboldt39 min

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.