Alert archive / West Virginia / Flash Flood Warnings in 1998

Flash Flood Warning 15, NWS Charleston, WV

March 20, 1998Braxton County, Webster County, West Virginia

NWS Charleston, WV issued this flash flood warning at Mar 20, 1998, 8:41 PM EST for Braxton County, Webster County, West Virginia. It was in force for 3 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
Mar 20, 1998, 8:41 PM EST (01:41 UTC)
Expired
Mar 21, 1998, 12:00 AM EST
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Braxton County, WV, Webster County, WV

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.7 hours before the alert went out and 182 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, Roanoke, VA at 00:00Z on 1998-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 440 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, Roanoke, VA at 00:00Z on 1998-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
440 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 210146
FFWCRW
WVC101-007-210500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
841 PM EST FRI MAR 20 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN CENTRAL WEST VIRGINIA
 
   ...WEBSTER COUNTY
 
IN NORTH CENTRAL WEST VIRGINIA
 
   ...BRAXTON COUNTY
 
NATIONAL WEATRHER SERVICE DOPPLER RADAR SHOWED AN AREA OF MODERATE TO
HEAVY RAIN MOVING NORTH THROUGH THE AREA. AS OF 830 PM...NO REPORTS OF
FLOODING HAVE BEEN RECIEVED...HOWEVER RAINFALL AMOUNTS BETWEEN 1 AND 2
INCHES HAVE BEEN REPORTED.
 
ADDITIONAL RAINFALL OF UP TO A QUARTER OF AN INCH AN HOUR IS EXPECTED.
THIS RAINFALL IS EXPECTED TO CAUSE SOME CREEKS AND STREAMS TO OVERFLOW
THEIR BANKS.
 
<< CALL TO ACTION >> BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS
HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH
FLOODINGA IS OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
.END/SITES

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 7:42 PM ESTFlash Flood WarningRLXClay, Fayette, Kanawha4 hr
Mar 20, 7:42 PM ESTFlash Flood WarningRLXRoane4 hr
Mar 20, 11:23 PM ESTFlash Flood WarningRLXMcDowell4 hr
Mar 21, 12:32 AM ESTFlash Flood WarningRLXFayette, Kanawha, Roane3 hr
Mar 21, 4:02 AM ESTFlash Flood WarningRLXKanawha, Roane3 hr
Mar 21, 4:02 AM ESTFlash Flood WarningRLXFayette3 hr
Mar 21, 4:02 AM ESTFlash Flood WarningRLXMcDowell3 hr
Mar 21, 4:12 AM ESTFlash Flood WarningRLXFayette, Kanawha, Roane3 hr
Mar 21, 4:12 AM ESTFlash Flood WarningRLXMcDowell3 hr

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.