Alert archive / Virginia / Flash Flood Warnings in 1998

Flash Flood Warning 27, NWS Charleston, WV

April 19, 1998Buchanan County, Dickenson County, Virginia

NWS Charleston, WV issued this flash flood warning at Apr 19, 1998, 9:00 AM EDT for Buchanan County, Dickenson County, Virginia. It was in force for 6 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
Apr 19, 1998, 9:00 AM EDT (13:00 UTC)
Expired
Apr 19, 1998, 3:00 PM EDT
In force
6 hr
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Buchanan County, VA, Dickenson County, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 1.0 hours before the alert went out and 239 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 12:00Z on 1998-04-19Temperature 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, Roanoke, VA at 12:00Z on 1998-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 558 square meters per square second.1939587897Sfc1 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
492 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
558 m²/s²
0-3 km storm-relative helicity
654 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 191301
FFWCRW
VAC027-051-191900-
 
FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
900 AM EDT SUN APR 19 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTHWEST VIRGINIA
 
   ...BUCHANAN COUNTY...DICKENSON COUNTY
 
IFLOWS AUTOMATED RAIN GAGES..RADAR RAINFALL ESTIMATES AND LOCAL REPORTS
INDICATED THAT ENOUGH RAIN HAS FALLEN TO CAUSE FLOODING OF SMALL STREAMS
AND CREEKS.
 
<< CALL TO ACTION >> DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE
WATER COVERS THE ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW
YOUR CAR TO CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND. WATCH OUT FOR MUD SLIDES.
 
 
.END/SIKORA

Nearby

Flash Flood Warnings in 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.