Alert archive / West Virginia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 104, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Sep 6, 1990, 4:12 PM EDT for Calhoun County, Clay County, Roane County, West Virginia. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Sep 6, 1990, 4:12 PM EDT (20:12 UTC)
- Expired
- Sep 6, 1990, 5:15 PM EDT
- In force
- 63 min
- Issued by
- NWS Charleston, WV
- Area
- Whole counties
Counties Calhoun County, WV, Clay County, WV, Roane 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 12:00Z, 8.2 hours before the alert went out and 120 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.
- Mixed-layer CAPE
- 1259 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 991 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCRW 062016 SVRCRW WVC013-015-087-062115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON WV 412 PM EDT THU SEP 6 1990 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...S... IN NORTH CENTRAL WEST VIRGINIA ...SOUTHERN CALHOUN COUNTY IN WEST CENTRAL WEST VIRGINIA ...NORTHERN CLAY COUNTY...SOUTHERN ROANE COUNTY AT 410 PM...WEATHER SERVICE RADAR IN CHARLESTON INDICATED A SEVERE THUNDERSTORM WAS OVER SOUTHERN ROANE COUNTY. MOVEMENT WAS TO THE EAST AT 20 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUlILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Sep 6, 12:41 PM EDT, 3 hours 31 minutes before
WVZ004-006-007-061000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 1230 PM EDT THU SEP 6 1990 THE CENTRAL APPALACHIANS ARE COVERED BY A HOT UNSTABLE AIRMASS TODAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN WEST VIRGINIA THIS AFTERNOON AND EVENING. THE NORTHEAST HALF OF WEST VIRGINIA WAS COOLED BY RAIN YESTERDAY...AND COVERED BY CLOUDS THIS MORNING. THE REST OF WEST VIRGINIA RECEIVED NO RAIN...AND IS COVERED BY A HOT...HUMID...AND AN EXTREMELY UNSTABLE AIRMASS. SEPARATING THESE TWO AREAS OF WEST VIRGINIA IS A BOUNDARY. THIS BOUNDARY LIES ALONG A PARKERSBURG WV...SUTTON WV...LEWISBURG WV LINE. SUCH LOW-LEVEL ATMOSPHERIC BOUNDARIES ARE EFFECTIVE MECHANISMS FOR THUNDERSTORM FORMATION AND INTENSIFICATION. THESE BOUNDARIES ARE VISIBLE ON SATELLITE IMAGERY. EXPECT THUNDERSTORMS TO SOON DEVELOP ALONG THIS BOUNDARY AND SPREAD INTO OTHER AREAS...MOSTLY TO THE EAST. THE NATIONAL WEATHER SERVICE IS KEEPING A CLOSE WATCH ON THIS THUNDERSTORM SITUATION. LISTEN FOR LATER FORECASTS OR STATEMENTS. END/PARKE
Special weather statement, Sep 6, 1:18 PM EDT, 2 hours 54 minutes before
WVZ005-061815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKINS WV 118 PM EDT THU SEP 6 1990 ...THUNDERSTORMS DEVELOPING ACROSS NORTHERN WEST VIRGINIA... WEATHER RADAR AT 115 PM EDT INDICATED STRONG THUNDERSTORMS FORMING OVER WESTERN LEWIS COUNTY AND NEAR THE LEWIS-HARRISON COUNTY LINE. THESE STORMS ARE MOVING SLOWY TO THE SOUTHEAST. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...SMALL HAIL AND HEAVY DOWNPOURS MAY ACCOMPANY THE PASSAGE OF THESE THUNDERSTORMS. PONDING OF WATER ON HIGHWAYS AND POUR DRAINAGE AREAS COULD RESULT IN AREAS OF HEAVY DOWNPOURS. KEEP A WATCH ON THE SKY AND MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES. TO REPORT SEVERE WEATHER ASK YOUR LOCAL$ POLICE TO FORWARD YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL BROADCAST FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. GILKERSON NNNN
Special weather statement, Sep 6, 2:29 PM EDT, 1 hour 43 minutes before
WVZ005-009-061925- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKINS WV 225 PM EDT THU SEP 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT THIS EVENING FOR NORTHERN WEST VIRGINIA... WEATHER RADAR AT 220 PM EDT INDICATED STRONG THUNDERSTORMS ACROSS UPSHUR...NORTHEASTERN WEBSTER AND SOUTHWEST RANDOLPH COUNTIES OF OF WEST VIRGINIA. THESE STORMS ARE MOVING SOUTHEAST AT 20 TO 25 MPH. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HAIL AND HEAVY DOWNPOURS MAY ACCOMPANY THE PASSAGE OF THESE THUNDERSTORMS. PONDING OF WATER ON HIGHWAYS AND POUR DRAINAGE AREAS COULD RESULT IN AREAS OF HEAVY DOWNPOURS. KEEP A WATCH ON THE SKY AND MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES. TO REPORT SEVERE WEATHER ASK YOUR LOCAL POLICE TO FORWARD YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL BROADCAST FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. GILKERSON NNNN
Special weather statement, Sep 6, 3:42 PM EDT, 30 minutes before
WVZ004-006-007-061000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 1230 PM EDT THU SEP 6 1990 ...A SEVERE THUNDERSTORM WATCH FOR THE NORTHERN HALF OF WEST VIRGINIA... THUNDERSTORMS HAVE DEVELOPED OVER MAINLY CENTRAL WEST VIRGINIA... AND HAVE BEEN MOVING TO THE SOUTHEAST. SOME OF THE STORMS HAVE GROWN LARGE ENOUGH TO PRODUCE PEA SIZE HAIL... AS PER A REPORT FROM CLAY COUNTY. HOWEVER... NO THUNDERSTORMS ARE REPORTED AS BEING SEVERE. THIS HOT AND VERY MOIST AIR MASS IS PRIMED FOR THE DEVELOPMENT OF THUNDERSTORMS AND WITH THE AID OF A LOW-LEVEL BOUNDARY STRETCHING ACROSS THE STATE...THUNDERSTORM FORMATION AND INTENSIFICATION HAS A GREAT POSSIBILITY. THE SEVERE THUNDERSTORM WATCH WILL REMAIN IN EFFECT THROUGH 800 PM THIS EVENING. AT 325 PM... RADAR WAS SHOWING THUNDERSTORMS OVER MAINLY CENTRAL WEST VIRGINIA. THE MOST ACTIVE STORMS APPEARED OVER KANAWHA AND CLAY. PORTIONS OF PUTNAM..BRAXTON..LEWIS..HARRISON..AND ..RANDOLPH AND POCAHONTAS COUNTIES WERE SHOWING LESS ACTIVE THUNDERSTORMS AT PRESENT.. BUT STILL DEVELOPING. THEY MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR.
Special weather statement, Sep 6, 3:44 PM EDT, 28 minutes before
WVZ004-006-007-061000- SPECIAL WEATHER STATEMENT...CORRECTED FOR TIME NATIONAL WEATHER SERVICE CHARLESTON WV 345 PM EDT THU SEP 6 1990 ...A SEVERE THUNDERSTORM WATCH FOR THE NORTHERN HALF OF WEST VIRGINIA... THUNDERSTORMS HAVE DEVELOPED OVER MAINLY CENTRAL WEST VIRGINIA... AND HAVE BEEN MOVING TO THE SOUTHEAST. SOME OF THE STORMS HAVE GROWN LARGE ENOUGH TO PRODUCE PEA SIZE HAIL... AS PER A REPORT FROM CLAY COUNTY. HOWEVER... NO THUNDERSTORMS ARE REPORTED AS BEING SEVERE. THIS HOT AND VERY MOIST AIR MASS IS PRIMED FOR THE DEVELOPMENT OF THUNDERSTORMS AND WITH THE AID OF A LOW-LEVEL BOUNDARY STRETCHING ACROSS THE STATE...THUNDERSTORM FORMATION AND INTENSIFICATION HAS A GREAT POSSIBILITY. THE SEVERE THUNDERSTORM WATCH WILL REMAIN IN EFFECT THROUGH 800 PM THIS EVENING. AT 325 PM... RADAR WAS SHOWING THUNDERSTORMS OVER MAINLY CENTRAL WEST VIRGINIA. THE MOST ACTIVE STORMS APPEARED OVER KANAWHA AND CLAY. PORTIONS OF PUTNAM..BRA XTON..LEWIS..HARRISON..AND ..RANDOLPH AND POCAHONTAS COUNTIES WERE SHOWING LESS ACTIVE THUNDERSTORMS AT PRESENT.. BUT STILL DEVELOPING. THEY MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. END/BDG
The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 4:44 PM EDT | Severe Thunderstorm Warning | RLX | Gilmer | 46 min |
| Sep 6, 6:49 PM EDT | Severe Thunderstorm Warning | RLX | Monongalia, Preston | 116 min |
| Sep 6, 7:42 PM EDT | Severe Thunderstorm Warning | RLX | Marion, Taylor | 63 min |
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.