Alert archive / Virginia / Flash Flood Warnings in 1997

Flash Flood Warning 135, NWS Charleston, WV

August 19, 1997Buchanan County, Virginia

NWS Charleston, WV issued this flash flood warning at Aug 19, 1997, 10:19 PM EDT for Buchanan County, Virginia. It was in force for 4 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
Aug 19, 1997, 10:19 PM EDT (02:19 UTC)
Expired
Aug 20, 1997, 2:15 AM EDT
In force
4 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Buchanan County, VA

The radar

The Jackson,KY radar (KJKL), 118 km from the middle of the area, began a volume at 02:20 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 2.3 hours before the alert went out and 225 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 1997-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 398 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, Roanoke, VA at 00:00Z on 1997-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.193958Sfc1 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
398 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1130 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
44 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 200220
FFWCRW
VAC027-WVC047-109-200615-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1019 PM EDT TUE AUG 19 1997
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  215 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTHWEST VIRGINIA
 
   ...BUCHANAN COUNTY
 
 
IN SOUTH CENTRAL WEST VIRGINIA
 
   ...MCDOWELL COUNTY...WYOMING COUNTY
 
WEATHER SERVICE RADAR AND SATELLITE IMAGERY SHOW LARGE...INTENSIFYING...
AND SLOW MOVING THUNDERSTORMS MOVING INTO THE WARNED AREAS. THE
THUNDERSSTORMS ARE PRODUCING RAINFALL RATES OF TWO AND A HALF INCHES PER
HOUR. OTHER THUNDERSTORMS ARE FOLLOWING CLOSELY BEHIND THESE...AND ARE
APT TO MAINTAIN THESE RAINFALL INTENSITIES IN SOME AREAS.
 
SUCH RAINFALLS ARE MORE THAN SUFFICIENT TO CAUSE WIDESPREAD FLASH
FLOODING IN THE WARNED AREAS.
 
<< 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.
 
.EOM

Nearby

Flash Flood Warnings in Virginia, 1997Every flash flood warning in 1997

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; radar from the NEXRAD Level II archive.