Alert archive / Nevada / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 7, NWS Reno, NV

July 30, 1998Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 30, 1998, 6:55 PM PDT for Washoe County, Nevada. It was in force for 50 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, 1998, 6:55 PM PDT (01:55 UTC)
Expired
Jul 30, 1998, 7:45 PM PDT
In force
50 min
Issued by
NWS Reno, NV
Area
Whole counties

County Washoe County, NV

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 1.9 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 00:00Z on 1998-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 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 00:00Z on 1998-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
102 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
2317 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
147 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.

286 
WUUS1 KRNO 310157 RRA
SVRRNO
NVC031-310240-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
655 PM PDT THU JUL 30 1998

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL AND SOUTHEASTERN WASHOE COUNTY IN NORTHWESTERN NEVADA
  
* UNTIL 745 PM PDT

* AT 650 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PALOMINO/WARM SPRINGS VALLEY SOUTH OF PYRAMID
  LAKE.
  ..MOVING NORTH AT 12 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUTCLIFFE AND PYRAMID LAKE AT 715 PM


IF YOU ARE CAUGHT OUTSIDE...SEEK REFUGE FROM THE STORM IN A
STRONG BUILDING.  BOATERS ON AREA LAKES SHOULD TAKE SHELTER.
DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS
LIGHTNING ARE ALL LIKELY.  DO NOT SEEK SHELTER UNDER TREES OR OTHER
ISOLATED TALL OBJECTS.  THESE ATTRACT LIGHTNING.  DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

THE SEVERE THUNDERSTORMS WARNING FOR STOREY COUNTY HAS EXPIRED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 6:20 PM PDTSevere Thunderstorm WarningREVStorey, Washoe40 min

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.