Alert archive / West Virginia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 40, NWS Charleston, WV

July 20, 1986Monongalia County, Preston County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 20, 1986, 5:30 PM EDT for Monongalia County, Preston County, West Virginia. It was in force for 75 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 20, 1986, 5:30 PM EDT (21:30 UTC)
Expired
Jul 20, 1986, 6:45 PM EDT
In force
75 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Monongalia County, WV, Preston County, WV

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 20, 6:15 PM EDTThunderstorm Wind 0Monongalia, WV
Jul 20, 6:15 PM EDTThunderstorm Wind 0Preston, WV

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.5 hours before the alert went out and 98 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 1986-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1369 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, Pittsburgh, PA at 12:00Z on 1986-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1369 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
938 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
52 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 202130
SVREKN
WVC033-061-077-202245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OFFICE ELKINS WV
530 PM EDT SUN JUL 20 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF 

NORTHERN WEST VIRGINIA...MONONGALIA AND PRESTON.

WEATHER RADAR AT 525 PM EDT SHOWED A LINE OF INTENSE TO SEVERE
THUNDERSTORMS MOVING INTO WESTERN AND NORTHERN MONONGALIA COUNTY
MOVING SOUTHEAST AT 20 MPH. THESE STORMS WILL MOVE INTO NORTHERN
PRESTON COUNTY AS WELL. INTENSE THUNDERSTORMS WERE ALSO SHOWN MOVING
INTO WESTERN MARION AND NORTHWEST HARRISON COUNTIES OF WEST VIRGINIA.

IF YOU ARE IN THE WARNED AREA GET TO A REINFORCED SHELTER AND PREPARE
FOR DAMAGING WINDS IN EXCESS OF 60 MPH..LARGE HAIL 3/4 INCH OR LARGER
IN DIAMETER..DANGEROUS LIGHTNING AND VERY HEAVY RAIN.


END

GILKERSON

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, Jul 20, 2:05 PM EDT, 3 hours 25 minutes before
^CRWSPSHTS
NATIONAL WEATHER SERVICE HUNTINGTON WV
SPECIAL WEATHER STATEMENT
TIME XM EXT DAY MTH 99 1983
Special weather statement, Jul 20, 2:21 PM EDT, 3 hours 9 minutes before
^CRWSPSHTS
NATIONAL WEATHER SERVICE HUNTINGTON WV
SPECIAL WEATHER STATEMENT
220 PM EDT SUN JUL 20 1986

...STRONG LINE THUNDERSTORMS MOVING SOUTHWARD INTO SOUTHERN OHIO...

AT 220 PM WEATHER RADAR SHOWED VERY STRONG THUNDERSTORMS FROM NEAR
ZANESVILLE TO CHILLICOTHE TO ABOUT 25 MILES EAST OF CINCINATTI OHIO.

THESE THUNDERSTORMS WILL MOVE SOUTHWARD AND WILL BE ALONG A LINE FROM
MEIGS...JACKSON...PIKE AND NORTHERN ADAMS COUNTIES OHIO BY 3 PM.
STRONG WINDS...DANGEROUS LIGHTNING...HEAVY DOWNPOURS...AND POSSIBLE
HAIL MAY ACCOMPANY THESE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF EXTREME EASTERN
OHIO AND ADJACENT WEST VIRGINIA AND PENNSYLVANIA UNTIL 8 PM.
IF YOU ARE IN OR CLOSE TO THE WATCH AREA YOU SHOULD STAY TUNED TO RADIO
OR TV FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
HANEY
Special weather statement, Jul 20, 3:06 PM EDT, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  CHARLESTON WV
305 PM EDT SUN JUL 20 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR NORTHERN WEST
VIRGINIA. THE WATCH INCLUDES SUCH TOWNS AS PARKERSBURG... MORGANTOWN...
CLARKSBURG AND ELKINS.

A LINE OF STRONG THUNDERSTORMS WERE DETECTED AT 300 PM FROM WHEELING
WEST VIRGINIA...THEN TO ZANESVILLE OHIO AND JUST SOUTH AND EAST OF
CHILLICOTHE OHIO. THESE THUNDERSTORMS CONTAIN GUSTY WINDS AND POSSIBLY
SOME HAIL. THESE THUNDERSTORMS SHOULD ENTER THE PARKERSBURG AREA BETWEEN
4 TO 430 PM.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR.

RESIDENTS IN THE WATCH AREA SHOULD BE ALERT FOR ANY SEVERE WEATHER AND
ST(AY TUNED FOR THE LATEST STATEMENTS OR WARNINGS BY NOAA WEATHER RADIO
OR COMMERCIAL BROADCASTS.
>
END ORCHANIAN
Special weather statement, Jul 20, 3:35 PM EDT, 1 hour 55 minutes before
^CRWSPSHTS
NATIONAL WEATHER SERVICE HUNTINGTON WV
SPECIAL WEATHER STATEMENT
220 PM EDT SUN JUL 20 1986

...STRONG LINE THUNDERSTORMS MOVING SOUTHWARD INTO SOUTHERN OHIO...

AT 330 PM WEATHER RADAR SHOWED VERY STRONG THUNDERSTORMS FROM NORTHERN
JACKSON...PIKE TO JUST NORTH WEST OF ADAMS COUNTIES OHIO. THESE STORMS
WILL CONTINUE SOUTHWARD AND MOVE TO NORTHERN LAWRENCE...SICOTO...ADAMS
COUNTIES BY 430 PM.

THESE ARE VERY STRONG THUNDERSTORMS AND MAY ;REQUIRE A WARNING IF THEY
STRENGTHEN FURTHER.

STRONG AND GUSTY WINDS...DOWNPOURS...DANGEROUS LIGHTING AND POSSIBLE
HAIL LIKLEY ACCOMPANY THESE STORMS.

YOU SHOULD STAY TUNED TO RADIO OR TV FOR LATER STATEMENTS OR POSSIBLE
WARNINGS.
HANEY
Special weather statement, Jul 20, 4:10 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BECKLEY WV
415 PM EDT SUN JUL 20 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
EFFECTIVE UNTIL 10 PM EDT FOR A LARGE PART OF WEST VIRGINIA THAT
INCLUDES THE FOLLOWING COUNTIES OF SOUTHERN WEST VIRGINIA..
MINGO..LOGAN..FAYETTE AND GREENBRIER.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE IN THENSE AREAS
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND STAY
TUNED FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS FROM THE NATIONAL
WEATHER SERVICE.

WALL
Special weather statement, Jul 20, 4:40 PM EDT, 50 minutes before
^CRWSPSEKN

SPECIAL WEATHER STATEMENT CORRECTION
NATIONAL WEATHER SERVICE - ELKINS, WV
440 PM EDT SUN JUL 20 1986

  ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR ALL OF
NORTH CENTRAL AND THE NORTHERN MOUNTAIN COUNTIES OF WEST VIRGINIA AND
GARRETT AND ALLEGANY COUNTIES OF WESTERN MARYLAND...

WEATHER RADAR AT 435 PM EDT SHOWED A LINE OF INTENSE TO SEVERE
THUNDERSTORMS EXTENDING FROM NOBLE COUNTY OHIO NORTHEAST THROUGH
MARSHALL COUNTY WEST VIRGINIA THROUGH NORTHERN GREEN COUNTY
PENNSYLVANIA TO LATROBE PENNSYLVANIA. THIS LINE IS MOVING SOUTHEAST
AROUND 20 MPH AND WILL START TO ENTER INTO MONONGALIA..NORTHWEST
HARRISON AND MARION COUNTIES OF WEST VIRGINIA DURING THE NEXT 1 TO 2
HOURS.

THESE STORMS ARE QUITE DANGEROUS AS SOME COULD CONTAIN DAMAGING
THUNDERSTORM WINDS...HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING.
FLOODING TO LOW LYING AND POOR DRAINAGE AREAS COULD RESULT IN THE
HEAVY RAINS. STAY ALERT AND TAKE SHELTER IF THRjEATENFING WEATHER
APPROACHES OR WARNINGS ARE ISSUED.

LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL BROADCAST FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS.

END

GILKERSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 5:45 PM EDTSevere Thunderstorm WarningRLXBarbour, Harrison45 min
Jul 20, 5:51 PM EDTSevere Thunderstorm WarningRLXJackson, Roane54 min
Jul 20, 6:10 PM EDTSevere Thunderstorm WarningRLXTucker80 min
Jul 20, 6:10 PM EDTSevere Thunderstorm WarningRLXUpshur80 min
Jul 20, 6:25 PM EDTSevere Thunderstorm WarningRLXRandolph85 min
Jul 20, 6:27 PM EDTSevere Thunderstorm WarningRLXGilmer48 min
Jul 20, 7:10 PM EDTSevere Thunderstorm WarningRLXHampshire, Hardy60 min
Jul 20, 7:12 PM EDTSevere Thunderstorm WarningRLXClay48 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1986Every severe thunderstorm warning in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.