Alert archive / West Virginia / Flash Flood Warnings in 1992

Flash Flood Warning 13, NWS Pittsburgh, PA

July 24, 1992Marshall County, Ohio County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jul 24, 1992, 7:25 AM EDT for Marshall County, Ohio County, West Virginia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 1992, 7:25 AM EDT (11:25 UTC)
Expired
Jul 24, 1992, 10:00 AM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Marshall County, WV, Ohio County, WV

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 00:00Z, 11.4 hours before the alert went out and 240 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, Huntington/Tri S, WV at 00:00Z on 1992-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2326 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, Huntington/Tri S, WV at 00:00Z on 1992-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
2326 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 241125
FFWPIT
PAC051-059-125-WVC051-069-241400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
725 AM EDT FRI JUL 24 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 1000 AM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

WESTERN PENNSYLVANIA...FAYETTE...GREENE AND WASHINGTON
PANHANDLE OF WEST VIRGINIA...MARSHALL AND OHIO

AT 725 AM RADAR INDICATED VERY HEAVY...SLOW MOVING THUNDERSTORMS
OVER THIS 5 COUNTY AREA. FLASH FLOODING IS VERY LIKELY.

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR IN PROGRESS.
IF YOU GET ANY INDICATION THAT FLOOD WATERS ARE APPROACHING..MOVE TO
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE THROUGH FLOODED AREAS.

Nearby

Flash Flood Warnings in West Virginia, 1992Every flash flood warning in 1992

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.