Alert archive / Nevada / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 12, NWS Reno, NV

July 30, 1997Storey County, Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 30, 1997, 4:30 PM PDT for Storey County, Washoe County, Nevada. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 30, 1997, 4:30 PM PDT (23:30 UTC)
Expired
Jul 30, 1997, 5:30 PM PDT
In force
60 min
Issued by
NWS Reno, NV
Area
Whole counties

Counties Storey County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 35 km from the middle of the area, began a volume at 23:34 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, 11.5 hours before the alert went out and 131 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 1997-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 1997-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
2 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
1998 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
92 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 
TTAA00 KRNO 302337 RRA
SVRRNO
NVC029-031-310030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
430 PM PDT WED JUL 30 1997

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A SEVERE
THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 530 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WESTERN NEVADA 
     SOUTHERN WASHOE COUNTY 
     ...INCLUDING SUTCLIFFE..NIXON...WADSWORTH...
        THE GREATER RENO-SPARKS METROPOLITAN AREA.

     ALL STOREY COUNTY 
     ...INCLUDING MUSTANG...PATRICK...VIRGINIA CITY AND GOLD 
        HILL.

SEVERE THUNDERSTORMS ARE MOVING FROM NEAR DAYTON NORTH TOWARD
VIRGINIA CITY AND THE RENO AREA. THESE STORMS HAVE A HISTORY OF
LOCALLY HEAVY DOWNPOURS...GOLF-BALL SIZE HAIL...AND GUSTY
WIND...AND ARE EXPECTED TO REACH VIRGINIA CITY BY 445 PM AND THE
RENO-SPARKS AREA BY 515 PM.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
HEAVY RAIN...AND DEADLY LIGHTNING.  FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.  

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  IT IS DIFFICULT TO JUDGE HOW DEEP THE WATER IS AND THE
ROAD MAY NOT BE INTACT.  VEHICLES CAUGHT IN RISING WATER SHOULD
BE ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 1:26 PM PDTFlash Flood WarningREVWashoe59 min
Jul 30, 1:26 PM PDTSevere Thunderstorm WarningREVWashoe59 min
Jul 30, 3:02 PM PDTFlash Flood WarningREVChurchill63 min
Jul 30, 3:02 PM PDTSevere Thunderstorm WarningREVChurchill63 min
Jul 30, 4:30 PM PDTFlash Flood WarningREVStorey, Washoe60 min

Nearby

Severe Thunderstorm Warnings in Nevada, 1997Every severe thunderstorm warning in 1997

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.