Alert archive / West Virginia / Flash Flood Warnings in 1990

Flash Flood Warning 65, NWS Charleston, WV

July 13, 1990Preston County, Tucker County, West Virginia; Garrett County, Maryland

NWS Charleston, WV issued this flash flood warning at Jul 13, 1990, 5:22 AM EDT for Preston County, Tucker County, West Virginia; Garrett County, Maryland. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 13, 1990, 5:22 AM EDT (09:22 UTC)
Expired
Jul 13, 1990, 8:30 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Garrett County, MD, Preston County, WV, Tucker 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, 9.4 hours before the alert went out and 126 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 1990-07-13Temperature 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 1990-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
49 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 KEKN 130922
FFWEKN
MDC023-WVC077-093-131230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKINS WV
522 AM EDT FRI JUL 13 1990
 
THE NATIONAL WEATHER SERVICE IN ELKINS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST MARYLAND
 
   ...SOUTHERN GARRETT COUNTY
 
 
IN NORTH WEST VIRGINIA
 
   ...SOUTHERN PRESTON COUNTY...NORTHERN TUCKER COUNTY
 
MODERATE RAINFALL HAS BEEN SHOWN OVER SOUTHERN GARRETT...NORTHERN
TUCKER..AND SOUTHERN PRESTON COUNTIES FOR THE PAST THREE HOURS.
REPORTS OF WATER OVER ROADWAYS HAVE BEEN RECEIVED FROM SOUTHERN
GARRETT AND NORTHERN TUCKER COUNTY. RADAR SHOWS THAT MODERATE RAINFALL
CONTINUES OVER THESE COUNTIES.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRvY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
END/MH
 
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 11:50 PM EDTFlash Flood WarningRLXPreston115 min
Jul 13, 2:48 AM EDTFlash Flood WarningRLXBarbour, Preston, Tucker117 min
Jul 13, 3:26 AM EDTFlash Flood WarningRLXCalhoun, Roane2 hr
Jul 13, 3:26 AM EDTFlash Flood WarningRLXJackson2 hr
Jul 13, 5:56 AM EDTFlash Flood WarningRLXJackson, Roane2 hr
Jul 13, 5:56 AM EDTFlash Flood WarningRLXCalhoun, Gilmer2 hr
Jul 13, 8:00 AM EDTFlash Flood WarningRLXCalhoun3 hr
Jul 13, 6:08 PM EDTFlash Flood WarningRLXUpshur3 hr
Jul 13, 6:34 PM EDTFlash Flood WarningRLXBarbour3 hr
Jul 12, 11:34 PM EDTFlash Flood WarningRLXGarrett116 min
Jul 12, 11:50 PM EDTFlash Flood WarningRLXAllegany115 min
Jul 13, 12:42 AM EDTFlash Flood WarningRLXAllegany, Garrett3 hr

Nearby

Flash Flood Warnings in West Virginia, 1990Flash Flood Warnings in Maryland, 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.