Alert archive / West Virginia / Flash Flood Warnings in 1990

Flash Flood Warning 82, NWS Charleston, WV

August 19, 1990Wood County, West Virginia

NWS Charleston, WV issued this flash flood warning at Aug 19, 1990, 1:41 AM EDT for Wood County, West Virginia. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 1990, 1:41 AM EDT (05:41 UTC)
Expired
Aug 19, 1990, 3:45 AM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Wood 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

Huntington/Tri S, WV (KHTS), launched 00:00Z, 5.7 hours before the alert went out and 127 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 1990-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1860 joules per kilogram.LCLEL10008507005003002001001 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 1990-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939Sfc1 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
1860 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1097 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 190546
FFWCRW
WVC107-190745-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
141 AM EDT SUN AUG 19 1990
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  345 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHWEST WEST VIRGINIA
 
   ...NORTHEASTERN WOOD COUNTY
 
A WEATHER OBSERVER IN WOOD COUNTY REPORTED 5.05 INCHES
OF RAIN BETWEEN 9 PM AND 1230 AM THIS EVENING IN THE
LAUREL CREEK AREA. ASHBY RIDGE ROAD AND WINDING ROAD
ARE UNDER WATER. SEVERAL OTHER ROADS ARE ALSO INPASSABLE.
 
 
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALGLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
LAPLANTE

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 18, 8:56 PM EDT, 4 hours 45 minutes before
WVZ002>009-012-190230-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CHARLESTON WV
855 PM EDT SAT AUG 18 1990

AT 845 PM...WEATHER SERVICE RADAR IN CHARLESTON SHOWED A LINE
OF THUNDERSTORMS...SOME HEAVY...MOVING FROM OHIO INTO NORTHWESTERN
WEST VIRGINIA ALONG THE OHIO RIVER.  THE STRONGEST THUNDERSTORMS
EXTENDED FROM 10 MILES NORTH OF PARKERSBURG TO 10 MILES WEST OF
NEW MARTINSVILLE.  OTHER THUNDERSTORMS WERE IN THE ATHENS OHIO AREA.
THESE THUNDERSTORMS WERE ACCOMPANIED BY LOCALLY HEAVY RAIN.

MOVEMENT WAS TO THE SOUTHEAST AT 25 MPH.  DURING THE NEXT HOUR THEY
WILL MOVE THROUGH NORTHERN WOOD AND PLEASANTS COUNTIES INTO WIRT...
RITCHIE..AND TYLER COUNTIES.  THEY ARE EXPECTED TO DECREASE IN
INTENSITY DURING THIS TIME...BUT WILL CONTINUE TO  PRODUCE LOCALLY
HEAVY RAIN.

END/REA

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 3:44 PM EDTSevere Thunderstorm WarningRLXFayette61 min
Aug 19, 4:14 PM EDTSevere Thunderstorm WarningRLXHampshire, Hardy61 min
Aug 19, 6:01 PM EDTFlash Flood WarningRLXPleasants, Wood3 hr
Aug 19, 7:17 PM EDTFlash Flood WarningRLXRitchie, Wirt3 hr
Aug 19, 7:56 PM EDTFlash Flood WarningRLXCalhoun3 hr

Nearby

Flash Flood Warnings in West Virginia, 1990Every flash flood 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.