Alert archive / Nevada / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 10, NWS Reno, NV

September 9, 1998Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Sep 9, 1998, 4:25 PM PDT for Washoe County, Nevada. It was in force for 40 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
Sep 9, 1998, 4:25 PM PDT (23:25 UTC)
Expired
Sep 9, 1998, 5:05 PM PDT
In force
40 min
Issued by
NWS Reno, NV
Area
Whole counties

County Washoe County, NV

The radar

The Reno radar (KRGX), 103 km from the middle of the area, began a volume at 23:25 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, 11.4 hours before the alert went out and 174 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 1998-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 1998-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897117Sfc1 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
3 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1200 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

991 
WUUS1 KRNO 092329  RRA
SVRRNO
NVC031-100005-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV                                  
425 PM PDT WED SEP 9 1998

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

*    SEVERE THUNDERSTORM WARNING FOR...
     IN WESTERN NEVADA 
          SOUTHCENTRAL WASHOE COUNTY
          ...INCLUDING SUTCLIFFE...NIXON AND PYRAMID LAKE.

*    UNTIL 505 PM PDT 

*    DOPPLER RADAR INDICATE A STRONG THUNDERSTORM SOUTHWEST OF
     PYRAMID LAKE AND MOVING TOWARDS SUTCLIFFE.  THIS STORM WILL
     IS MOVING TO THE NORTHEAST AT 25 MPH.
     
*    THE SEVERE THUNDERSTORM WILL BE NEAR SUTCLIFFE BY 435 PM.

BOATERS ON PYRAMID LAKE SHOULD SEEK SAFE HARBOR IMMEDIATELY.
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 BUISNESS. 
HEAVY RAINS FLOOD ROADS QUICKLY.  DO NOT DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.

Nearby

Severe Thunderstorm Warnings in Nevada, 1998Every severe thunderstorm warning in 1998

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.