Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 9, NWS Reno, NV

August 31, 2012Mineral County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Aug 31, 2012, 2:43 PM PDT for Mineral 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: Aug 31, 2012, 2:43 PM PDT (21:43 UTC)
Expired: Aug 31, 2012, 3:15 PM PDT
In force: 32 min
Issued by: NWS Reno, NV
Area: Storm-based polygon

County Mineral County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 9.7 hours before the alert went out and 107 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: 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.

769 
WUUS55 KREV 312143
SVRREV
NVC021-312215-
/O.NEW.KREV.SV.W.0009.120831T2143Z-120831T2215Z/

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

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MINERAL COUNTY IN WESTERN NEVADA...

* UNTIL 315 PM PDT

* AT 242 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 11 MILES SOUTH OF
  INDIAN HEAD PEAK...OR 37 MILES NORTHEAST OF BODIE...AND MOVING
  NORTHEAST AT 30 MPH.

* LOCATIONS AFFECTED INCLUDE...INDIAN HEAD PEAK AND MOUNT FERGUSON AS
  WELL AS HIGHWAY 95 BETWEEN HAWTHORNE AND MINA.

PREPARE NOW FOR HIGH WINDS...HAIL...HEAVY RAIN AND DEADLY LIGHTNING.
DURING A SEVERE THUNDERSTORM...SEEK SHELTER INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

LAT...LON 3880 11832 3867 11805 3834 11837 3844 11856
TIME...MOT...LOC 2143Z 214DEG 26KT 3846 11840

$$

JHW

2 follow-up statements

256 
WWUS55 KREV 312159
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
259 PM PDT FRI AUG 31 2012

NVC021-312215-
/O.CON.KREV.SV.W.0009.000000T0000Z-120831T2215Z/
MINERAL NV-
259 PM PDT FRI AUG 31 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM PDT
FOR CENTRAL MINERAL COUNTY...

AT 254 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED 6 MILES SOUTH OF INDIAN HEAD PEAK...OR
33 MILES SOUTHWEST OF GABBS...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS AFFECTED INCLUDE...INDIAN HEAD PEAK AND MOUNT FERGUSON.

LAT...LON 3880 11832 3867 11805 3834 11837 3844 11856
TIME...MOT...LOC 2158Z 214DEG 26KT 3855 11832

$$

DF

627 
WWUS55 KREV 312213
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
313 PM PDT FRI AUG 31 2012

NVC021-312222-
/O.EXP.KREV.SV.W.0009.000000T0000Z-120831T2215Z/
MINERAL NV-
313 PM PDT FRI AUG 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MINERAL COUNTY WILL
EXPIRE AT 315 PM PDT...

THE STORMS THAT EARLIER PROMPTED THE SEVERE THUNDERSTORM WARNING HAVE
WEAKENED...THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
HOWEVER...STRONG THUNDERSTORMS WILL REMAIN IN THE AREA THROUGH THIS 
EVENING...CAPABLE OF PRODUCING GUSTY WINDS...DEADLY LIGHTNING...AND 
BRIEF HEAVY RAINS.

LAT...LON 3880 11832 3867 11805 3834 11837 3844 11856
TIME...MOT...LOC 2212Z 214DEG 26KT 3863 11825

$$

DF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 1:56 PM PDT	Severe Thunderstorm Warning	REV	Churchill	34 min
Aug 31, 3:02 PM PDT	Special Weather Statement	REV	Churchill	28 min
Aug 31, 3:28 PM PDT	Special Weather Statement	REV		32 min
Aug 31, 3:42 PM PDT	Special Weather Statement	REV	Pershing	63 min

Nearby

Severe Thunderstorm Warnings in Nevada, 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.