Alert archive / West Virginia / Flash Flood Warnings in 1998

Flash Flood Warning 5, NWS Pittsburgh, PA

January 7, 1998Wetzel County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jan 7, 1998, 9:23 PM EST for Wetzel County, West Virginia. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 7, 1998, 9:23 PM EST (02:23 UTC)
Expired
Jan 8, 1998, 4:00 AM EST
In force
7 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Wetzel County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 2.4 hours before the alert went out and 101 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 1998-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 1998-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 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
13 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
306 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 080225
FFWPIT
WVC103-080900-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
923 PM EST WED JAN 7 1998
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  400 AM EST
FOR THE FOLLOWING LOCATION...
 
IN NORTH WEST VIRGINIA
 
   ...WETZEL COUNTY
 
AT 915 PM EST...EMERGENCY MANAGEMENT OF WETZEL COUNTY REPORTED SMALL
CREEKS NEAR BANK FULL. RAIN IS LIKELY TO CONTINUE ACROSS WETZEL
COUNTY FOR MUCH OF THE NIGHT RESULTING IN FLOODING OF THESE STREAMS.
 
A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
PM

Nearby

Flash Flood Warnings in West Virginia, 1998Every flash flood 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.