Alert archive / West Virginia / Flash Flood Warnings in 1990

Flash Flood Warning 49, NWS Charleston, WV

July 1, 1990Mineral County, West Virginia; Garrett County, Maryland

NWS Charleston, WV issued this flash flood warning at Jul 1, 1990, 2:05 AM EDT for Mineral County, West Virginia; Garrett County, Maryland. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1990, 2:05 AM EDT (06:05 UTC)
Expired
Jul 1, 1990, 3:00 AM EDT
In force
55 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Garrett County, MD, Mineral 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, 6.1 hours before the alert went out and 134 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 1990-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1515 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1990-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
1515 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1023 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEKN 010605
FFWEKN
MDC023-WVC057-010700-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKINS WV
205 AM EDT SUN JUL 1 1990
 
THE NATIONAL WEATHER SERVICE IN ELKINS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST MARYLAND
 
   ...GARRETT COUNTY
 
 
IN EAST WEST VIRGINIA
 
   ...MINERAL COUNTY
 
THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING FOR
GARRETT COUNTY MARYLAND AND HAS ISSUED A FLASH FLOOD WARNING FOR
MINERAL COUNTY OF WEST VIRGINIA. INTENSE THUNDERSTORMS WITH HEAVY
RAIN CONTINUE TO MOVE INTO THESE COUNTIES. MORE RAINS WILL OCCUR
DURING THE NEXT HOUR AS A LINE OF THUNDERSTORMS PASS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURIN<G THREATENING RAINS.
 
GILKERSON
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 8:27 PM EDTSevere Thunderstorm WarningRLXWood63 min
Jun 30, 8:28 PM EDTSevere Thunderstorm WarningRLXPocahontas62 min
Jun 30, 8:47 PM EDTSevere Thunderstorm WarningRLXPreston58 min
Jun 30, 9:08 PM EDTSevere Thunderstorm WarningRLXCalhoun, Doddridge, Gilmer, Ritchie67 min
Jun 30, 9:20 PM EDTSevere Thunderstorm WarningRLXLewis55 min
Jun 30, 9:20 PM EDTSevere Thunderstorm WarningRLXHampshire55 min
Jun 30, 9:20 PM EDTSevere Thunderstorm WarningRLXMonongalia55 min
Jun 30, 9:26 PM EDTSevere Thunderstorm WarningRLXBraxton, Gilmer64 min
Jun 30, 9:51 PM EDTSevere Thunderstorm WarningRLXMineral69 min
Jun 30, 11:04 PM EDTFlash Flood WarningRLXRandolph116 min
Jun 30, 11:17 PM EDTFlash Flood WarningRLXPreston3 hr
Jun 30, 11:17 PM EDTSevere Thunderstorm WarningRLXPreston3 hr
Jul 1, 5:45 AM EDTFlash Flood WarningRLXRandolph60 min
Jul 1, 7:55 AM EDTSevere Thunderstorm WarningRLXBoone35 min
Jul 1, 11:37 AM EDTSevere Thunderstorm WarningRLXMonongalia, Preston53 min
Jul 1, 12:37 PM EDTSevere Thunderstorm WarningRLXWetzel38 min
Jul 1, 12:43 PM EDTSevere Thunderstorm WarningRLXMarion62 min
Jul 1, 1:38 PM EDTSevere Thunderstorm WarningRLXBarbour, Harrison, Lewis67 min
Jul 1, 1:57 PM EDTSevere Thunderstorm WarningRLXUpshur63 min
Jul 1, 2:18 PM EDTSevere Thunderstorm WarningRLXRandolph57 min
Jul 1, 3:18 PM EDTSevere Thunderstorm WarningRLXNicholas42 min
Jul 1, 5:06 PM EDTSevere Thunderstorm WarningRLXRaleigh, Summers69 min
Jun 30, 8:28 PM EDTSevere Thunderstorm WarningRLXAllegany62 min

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.