Alert archive / West Virginia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 21, NWS Pittsburgh, PA

April 23, 1996Marion County, Monongalia County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Apr 23, 1996, 3:14 PM EDT for Marion County, Monongalia County, West Virginia. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 23, 1996, 3:14 PM EDT (19:14 UTC)
Expired
Apr 23, 1996, 4:00 PM EDT
In force
46 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Marion County, WV, Monongalia County, WV

The radar

The Pittsburgh radar (KPBZ), 107 km from the middle of the area, began a volume at 19:15 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.

What was reported inside it

TimeReportWhereRemark
Apr 23, 3:20 PM EDTThunderstorm WindFairmont, WV

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.2 hours before the alert went out and 93 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 12:00Z on 1996-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1996-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.19395878Sfc1 km3 km6 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
833 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
150 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 231914
SVRPIT
PAC059-WVC049-061-232000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
314 PM EDT TUE APR 23 1996
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN WEST PENNSYLVANIA
 
   ...GREENE COUNTY
 
 
IN NORTH WEST VIRGINIA
 
   ...MARION COUNTY...MONONGALIA COUNTY
 
AT 314 PM DOPPLER WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
ENTERING GREEN COUNTY IN EXTREME SOUTHWEST PA. THE STORMS EXTENDED SOUTH
INTO WETZEL COUNTY WEST VIRGINIA AND WILL MOVE THROUGH GREENE COUNTY PA
AND MARION AND MONONGALIA COUNTIES WV BY 400 PM. THESE STORMS HAVE A
HISTORY OF DAMAGING WINDS.
 
TAKE SHELTER INSIDE A STRONG BUILDING.  DO NOT STAND BY WINDOWS.
DON'T USE TELEPHONES OR APPLIANCES UNLESS IT'S AN EMERGENCY UNTIL THE
STORM HAS PASSED.  DO NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 2:40 PM EDTSevere Thunderstorm WarningPBZMarshall, Wetzel65 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.