Alert archive / West Virginia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 21, NWS Pittsburgh, PA

June 8, 1990Marshall County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 8, 1990, 7:25 AM EDT for Marshall County, West Virginia. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1990, 7:25 AM EDT (11:25 UTC)
Expired
Jun 8, 1990, 8:30 AM EDT
In force
65 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Marshall County, WV

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 11.4 hours before the alert went out and 78 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, Pittsburgh, PA at 00:00Z on 1990-06-08Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1990-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.19395878Sfc1 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
1595 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
79 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 KPIT 081126 RRA
SVRPIT
PAC003-WVC051-081230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
725 AM EDT FRI JUN 8 1990
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 AM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN WEST PENNSYLVANIA
 
   ...ALLEGHENY COUNTY
 
 
IN THE WEST VIRGINIA PANHANDLE
 
   ...MARSHALL COUNTY
 
AT 724 AM EDT WEATHER SERVICE RADAR SHOWED SEVERE THUNDERSTORMS NEAR
MOUNDSVILLE WEST VIRGINIA...AND JUST WEST OF THE GREATER PITTSBURGH
HEADING FOR ALLEGHENY COUNTY. THESE STORMS WILL PRODUCE DAMAGING
WINDS...HAIL...HEAVY RAINS AND DANGEROUS LIGHTNING. THE HEAVY RAIN
COULD CAUSE FLOODING ALSO.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD= MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 6:59 AM EDTSevere Thunderstorm WarningPBZBrooke, Hancock61 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1990Every severe thunderstorm warning in 1990

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.