Alert archive / Nevada / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 1, NWS Reno, NV

April 22, 2012Churchill County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Apr 22, 2012, 5:22 PM PDT for Churchill County, Nevada. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 22, 2012, 5:22 PM PDT (00:22 UTC)
Expired
Apr 22, 2012, 6:00 PM PDT
In force
38 min
Issued by
NWS Reno, NV
Area
Storm-based polygon

County Churchill County, NV

The radar

The Reno radar (KRGX), 63 km from the middle of the area, began a volume at 00:26 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.

What was reported inside it

TimeReportWhereRemark
Apr 22, 5:56 PM PDTTSTM WND GST 59Fallon, NV59 MPH WIND GUST MEASURED AT FALLON NAVAL AIR STATION.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 0.4 hours before the alert went out and 58 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 00:00Z on 2012-04-23Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 00:00Z on 2012-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 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
3936 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
91 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.

474 
WUUS55 KREV 230022
SVRREV
NVC001-230100-
/O.NEW.KREV.SV.W.0001.120423T0022Z-120423T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
522 PM PDT SUN APR 22 2012

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL CHURCHILL COUNTY IN WEST CENTRAL NEVADA...
  THIS INCLUDES THE CITY OF FALLON...

* UNTIL 600 PM PDT

* AT 517 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 10 MILES SOUTH OF FALLON...AND
  MOVING NORTH AT 15 MPH.

* LOCATIONS AFFECTED INCLUDE...FALLON.

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.

THIS STORM HAS DEVELOPED VERY QUICKLY...AND WILL PRODUCE A BURST OF
HIGH WINDS...HAIL...HEAVY RAIN...AND FREQUENT CLOUD TO GROUND
LIGHTNING. AREAS OF BLOWING DUST MAY RAPIDLY REDUCE VISIBILITIES TO
BELOW ONE MILE. SEEK SAFE SHELTER...AND STAY AWAY FROM WINDOWS AND
GLASS DOORS.

LAT...LON 3957 11899 3953 11862 3924 11872 3926 11895
TIME...MOT...LOC 0022Z 187DEG 11KT 3935 11882

$$

JHW
1 follow-up statement
735 
WWUS55 KREV 230039
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
539 PM PDT SUN APR 22 2012

NVC001-230100-
/O.CON.KREV.SV.W.0001.000000T0000Z-120423T0100Z/
CHURCHILL NV-
539 PM PDT SUN APR 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM PDT
FOR WEST CENTRAL CHURCHILL COUNTY...

AT 531 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 JUNCTION US 95 AND NV
120 (PASTURE RD)...OR 6 MILES SOUTH OF FALLON...MOVING NORTH AT 15
MPH.

* LOCATIONS AFFECTED INCLUDE...FALLON...FALLON STATION...FALLON
  MUNICIPAL AIRPORT...JUNCTION US 95 AND NV 120 (PASTURE RD)...
  JUNCTION US 50 AND NV 116 (STUART RD) AND JUNCTION US 50 AND NV 117
  (SHECKLER CUTOFF).

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.

THIS STORM HAS DEVELOPED VERY QUICKLY...AND WILL PRODUCE A BURST OF
HIGH WINDS...HAIL...HEAVY RAIN...AND FREQUENT CLOUD TO GROUND
LIGHTNING. AREAS OF BLOWING DUST MAY RAPIDLY REDUCE VISIBILITIES TO
BELOW ONE MILE. SEEK SAFE SHELTER...AND STAY AWAY FROM WINDOWS AND
GLASS DOORS.

LAT...LON 3957 11899 3953 11862 3924 11872 3926 11895
TIME...MOT...LOC 0039Z 187DEG 13KT 3942 11881

$$

JHW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 5:59 PM PDTSevere Thunderstorm WarningREVChurchill46 min
Apr 22, 6:52 PM PDTSpecial Weather StatementREV53 min
Apr 22, 8:52 PM PDTSpecial Weather StatementREVStorey38 min
Apr 22, 8:57 PM PDTSpecial Weather StatementREVStorey1 min
Apr 22, 8:57 PM PDTSevere Thunderstorm WarningREVLyon, Storey, Washoe48 min
Apr 23, 1:54 PM PDTSpecial Weather StatementREVStorey21 min
Apr 23, 3:08 PM PDTSpecial Weather StatementREV32 min
Apr 23, 4:16 PM PDTSpecial Weather StatementREV44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.