Alert archive / West Virginia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 9, NWS Jackson, KY

June 9, 1990Mason County, West Virginia

NWS Jackson, KY issued this severe thunderstorm warning at Jun 9, 1990, 3:00 AM EDT for Mason County, West Virginia. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jun 9, 1990, 3:00 AM EDT (07:00 UTC)
Expired
Jun 9, 1990, 3:30 AM EDT
In force
30 min
Issued by
NWS Jackson, KY
Area
Whole counties

County Mason 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

Huntington/Tri S, WV (KHTS), launched 00:00Z, 7.0 hours before the alert went out and 61 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, Huntington/Tri S, WV at 00:00Z on 1990-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1187 joules per kilogram.LCLLFCEL10008507005003002001001 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, Huntington/Tri S, WV at 00:00Z on 1990-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1187 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1561 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHTS 090701
SVRHTS
WVC053-090730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTINGTON WV
300 AM EDT SAT JUN 9 1990
 
THE NATIONAL WEATHER SERVICE IN HUNTINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN WEST WEST VIRGINIA
          ...MASON
 
AT 0250 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
SEVERE THUNDERSTORM IN EASTERN MASON COUNTY. THE THUNDERSTORM WAS
MOVING EAST AT 40 MILES AN HOUR. MASON COUNTY SHERIFF REPORTED TREES
DOWNED WITH THE PASSAGE OF THIS THUNDERSTORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEA.DLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
END/YOUNG

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 8, 11:33 PM EDT, 3 hours 27 minutes before
KYZ008-090435-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1135 PM EDT FRI JUN 8 1990

AT 1130 PM EDT...THUNDERSTORMS WERE MOVING INTO SOUTHEAST KENTUCKY.
ONE THUNDERSTORM WAS MOVING INTO THE WESTERN PART OF MORGAN COUNTY...
30 MILES NORTH OF JACKSON. THIS THUNDERSTORM WAS MOVING EAST AT 30
MILES AN HOUR.

THIS THUNDERSTORM WILL BE ACCOMPANIED BY BRIEF HEAVY RAIN...OCCASIONAL
LIGHTNING...GUSTY WIND AND POSSIBLE SMALL HAIL. IF YO,U ARE IN THE PATH
OF THIS STORM...TAKE SHELTER INSIDE A BUILDING AND STAY AWAY FROM ANY
WINDOWS UNTIL THE STORM HAS PASSED.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
HUDGINS
Special weather statement, Jun 9, 12:29 AM EDT, 2 hours 31 minutes before
KYZ008-090535-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
1235 AM EDT SAT JUN 9 1990

AT 1230 AM EDT...THE THUNDERSTORMS HAD MOVED OUT OF SOUTHEAST KENTUCKY.
SKIES REMAINED PARTLY CLOUTDY IN MOST AREAS WITH ONLY A FEW SCATTERED
RAINSHOWERS.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
HUDGINS

Nearby

Severe Thunderstorm Warnings in West Virginia, 1990Every severe thunderstorm 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.