Alert archive / West Virginia / Flash Flood Warnings in 1998

Flash Flood Warning 170, NWS Charleston, WV

July 2, 1998Braxton County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jul 2, 1998, 6:42 PM EDT for Braxton 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
Jul 2, 1998, 6:42 PM EDT (22:42 UTC)
Expired
Jul 2, 1998, 9:45 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Braxton County, WV

The radar

The Charleston,WV radar (KRLX), 97 km from the middle of the area, began a volume at 22:43 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

Pittsburgh, PA (KPIT), launched 12:00Z, 10.7 hours before the alert went out and 197 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 12:00Z on 1998-07-02Temperature 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 12:00Z on 1998-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
1646 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
0 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 022241
FFWCRW
WVC007-030145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
642 PM EDT THU JUL 2 1998

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BRAXTON COUNTY IN NORTH CENTRAL WEST VIRGINIA.

* UNTIL 945 PM EDT.

* AT 6:00 TO 6:30 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A BAND OF THUNDERSTORMS MOVING SOUTHEASTWARD OVER THE
  SAME AREA IN NORTHERN AND CENTRAL BRAXTON COUNTY. THESE
STORMS WERE MOVING SOUTHEAST AT AROUND 17 MPH.

* RADAR PRECIPITATION ESTIMATES 1 TO 2 INCHES OF RAIN IN THE PAST
  HOUR.

<<<CALL TO ACTION>>>DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD!

PLEASE REPORT ANY HIGH WATER OR FLOODING BY CALLING TOLL FREE AT
877-633-6772.

.END/ZINN

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, Jul 2, 5:40 PM EDT, 1 hour 2 minutes before
WVZ006-022300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
540 PM EDT THU JUL 2 1998

SHOWERS AND THUNDERSTORMS PRODUCING LOCALLY HEAVY RAINS OF 1.0 TO 1.5
INCHES AN HOUR WILL CROSS THE REGION THROUGH 7 PM. SOME OF THESE STORMS
MAY ALSO PRODUCE PEA TO MARBLE SIZE HAIL AS THEY MOVE TO THE SOUTHEAST
AT 20 MPH.

.END/PACKETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 6:34 PM EDTSevere Thunderstorm WarningRLXCabell, Lincoln, Wayne36 min

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; radar from the NEXRAD Level II archive.