Alert archive / West Virginia / Flash Flood Warnings in 1990

Flash Flood Warning 97, NWS Charleston, WV

August 23, 1990Doddridge County, West Virginia

NWS Charleston, WV issued this flash flood warning at Aug 23, 1990, 1:02 AM EDT for Doddridge County, West Virginia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 23, 1990, 1:02 AM EDT (05:02 UTC)
Expired
Aug 23, 1990, 4:00 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Doddridge 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

Pittsburgh, PA (KPIT), launched 00:00Z, 5.0 hours before the alert went out and 137 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 1990-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
35 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 KCRW 230505
FFWCRW
WVC017-230800-
 
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
102 AM EDT THU AUG 23 1990
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED AN
URBAN AND SMALL STREAM FLOOD WARNING EFFECTIVE UNTIL  400 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTH CENTRAL WEST VIRGINIA
 
   ...EASTERN DODDRIDGE COUNTY
 
WEATHER RADAR INDICATES THAT MODERATE RAINS CAN BE EXPECTED ACROSS
EASTERN PORTIONS OF THE COUNTY FOR THE NEXT COUPLE OF HOURS. THIS WILL
CAUSE SMALL STREAMS AND CREEKS IN THAT AREA TO RUN HIGH WITH SOME
COMING OUT OF THEIR BANKS. PERSONS SHOULD BE ESPECIALLY CAREFUL NOT TO
TRY AND CROSS WATER OVER ROADWAYS.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 10:18 PM EDTFlash Flood WarningRLXHarrison117 min
Aug 23, 12:22 AM EDTFlash Flood WarningRLXHarrison, Marion3 hr
Aug 23, 12:22 AM EDTFlash Flood WarningRLXLewis3 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.