Alert archive / West Virginia / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 252, NWS Pittsburgh, PA

July 17, 1995Hancock County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 17, 1995, 1:51 AM EDT for Hancock County, West Virginia. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1995, 1:51 AM EDT (05:51 UTC)
Expired
Jul 17, 1995, 2:45 AM EDT
In force
54 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Hancock County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 5.9 hours before the alert went out and 42 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 1995-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1335 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, Pittsburgh, PA at 00:00Z on 1995-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1335 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1104 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 170552 RRA
SVRPIT
WVC029-170645-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
151 AM EDT MON JUL 17 1995
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 AM EDT
FOR THE FOLLOWING LOCATION...
 
IN THE WEST VIRGINIA PANHANDLE
 
   ...HANCOCK COUNTY
 
A SEVERE THUNDERSTORM CAUSING LARGE HAIL NEAR KNOXVILLE IN JEFFERSON
COUNTY OHIO WILL BE MOVING EASTWARD AT 20 MPH INTO HANCOCK COUNTY
WEST VIRGINIA...NEAR NEW CUMBERLAND.
 
THERE CAN ALSO BE DAMAGING WIND. TORRENTIAL DOWNPOURS CAN CAUSE FLOODING
QUICKLY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR SAFETY GO TO AN INTERIOR
ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING. HEAVY RAINS CAN
QUICKLY CAUSE FLOODING. DO NOT CROSS WHERE WATER COVERS YOUR RPATH.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 1:58 AM EDTSevere Thunderstorm WarningPBZBrooke, Ohio47 min
Jul 17, 2:02 AM EDTSevere Thunderstorm WarningPBZMarshall43 min
Jul 17, 1:13 PM EDTSevere Thunderstorm WarningPBZOhio32 min
Jul 17, 2:24 PM EDTSevere Thunderstorm WarningPBZWetzel36 min
Jul 17, 2:44 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio61 min
Jul 17, 3:54 PM EDTSevere Thunderstorm WarningPBZWetzel66 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1995Every severe thunderstorm warning in 1995

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.