Alert archive / Nevada / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Reno, NV

July 11, 2007Lyon County, Nevada; Mono County, California

NWS Reno, NV issued this severe thunderstorm warning at Jul 11, 2007, 3:38 PM PDT for Lyon County, Nevada; Mono County, California. It was in force for 37 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: Jul 11, 2007, 3:38 PM PDT (22:38 UTC)
Expired: Jul 11, 2007, 4:15 PM PDT
In force: 37 min
Issued by: NWS Reno, NV
Area: Counties, with a storm outline in the text

Counties Mono County, CA, Lyon County, NV

The radar

The Reno radar (KRGX), 138 km from the middle of the area, began a volume at 22:39 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, 10.6 hours before the alert went out and 151 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: 2922 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 237 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.

000 
WUUS55 KREV 112239
SVRREV
CAC051-NVC019-112315-
/O.NEW.KREV.SV.W.0021.070711T2238Z-070711T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
338 PM PDT WED JUL 11 2007

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MONO COUNTY IN CENTRAL CALIFORNIA...
  SOUTH CENTRAL LYON COUNTY IN WESTERN NEVADA...

* UNTIL 415 PM PDT

* AT 337 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 NEAR SWEETWATER SUMMIT...OR
  ABOUT 14 MILES SOUTHEAST OF COLEVILLE. THIS STORM WAS NEARLY
  STATIONARY.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SWEETWATER SUMMIT BY 415 PM PDT...

LAT...LON 3851 11938 3856 11938 3852 11932 3854 11931
      3855 11932 3863 11932 3858 11910 3837 11920
      3843 11941

$$

BRONG

2 follow-up statements

000 
WWUS55 KREV 112257
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
356 PM PDT WED JUL 11 2007

CAC051-NVC019-112315-
/O.CON.KREV.SV.W.0021.000000T0000Z-070711T2315Z/
MONO CA-LYON NV-
356 PM PDT WED JUL 11 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM PDT
FOR SOUTH CENTRAL LYON AND NORTHWESTERN MONO COUNTIES...

AT 351 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 SWEETWATER SUMMIT...OR
ABOUT 17 MILES EAST OF COLEVILLE. THIS STORM WAS NEARLY STATIONARY.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHERN LYON COUNTY AT 420 PM PDT

LAT...LON 3851 11938 3856 11938 3852 11932 3854 11931
      3855 11932 3863 11932 3858 11910 3837 11920
      3843 11941

$$

BENINATO

000 
WWUS55 KREV 112314
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
412 PM PDT WED JUL 11 2007

CAC051-NVC019-112322-
/O.EXP.KREV.SV.W.0021.000000T0000Z-070711T2315Z/
MONO CA-LYON NV-
412 PM PDT WED JUL 11 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LYON AND
NORTHWESTERN MONO COUNTIES EXPIRES AT 415 PM PDT...

THE THUNDERSTORM NEAR SWEETWATER SUMMIT HAS MOVED NORTHEAST AND 
WEAKENED. HOWEVER LOCALLY HEAVY RAIN...OCCASIONAL LIGHTNING AND WING 
GUSTS UP TO 50 MPH ARE STILL POSSIBLE IN THIS AREA AND ALONG STATE 
ROAD 338 SOUTH OF WELLINGTON UNTIL 445 PM PDT

LAT...LON 3851 11938 3856 11938 3852 11932 3854 11931
      3855 11932 3863 11932 3858 11910 3837 11920
      3843 11941

$$

BENINATO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 1:24 PM PDT	Severe Thunderstorm Warning	REV	Lyon	36 min
Jul 11, 2:23 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Mineral	37 min
Jul 11, 2:23 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Mineral	37 min
Jul 11, 3:39 PM PDT	Severe Thunderstorm Warning	REV	Churchill	51 min
Jul 11, 3:58 PM PDT	Severe Thunderstorm Warning	REV	Washoe	32 min
Jul 11, 4:21 PM PDT	Severe Thunderstorm Warning	REV	Douglas	24 min
Jul 11, 4:59 PM PDT	Severe Thunderstorm Warning	REV	Pershing	76 min
Jul 10, 5:41 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas	49 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2007 Severe Thunderstorm Warnings in California, 2007 Every severe thunderstorm warning in 2007

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.