Alert archive / West Virginia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 33, NWS Charleston, WV

July 17, 1986Grant County, Tucker County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 17, 1986, 4:05 PM EDT for Grant County, Tucker County, West Virginia. It was in force for 70 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1986, 4:05 PM EDT (20:05 UTC)
Expired
Jul 17, 1986, 5:15 PM EDT
In force
70 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Grant 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 12:00Z, 8.1 hours before the alert went out and 157 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 1986-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1743 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 1986-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
1743 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 17, 1:45 PM EDT, 2 hours 20 minutes before
^CRWSPSEKN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE - ELKINS, WV
145 PM EDT THU JUL 17 1986

WEATHER RADAR AT 140 PM EDT SHOWED A STRONG THUNDERSTORM OVER
NORTHEAST MONONGALIA WEST VIRGINIA JUST TO THE EAST AND NORTH OF
MORGANTOWN. THIS STORM WILL MOVE SOUTHEAST INTO NORTHWEST PRESTON
COUNTY.

STRONG GUSTY WINDS..HEAVY RAIN..DANGEROUS LIGHTNING AND POSSIBLE SMALL
HAIL WILL ACCOMPANY THIS STORM. IF THREATENING WEATHER APPROACHES TAKE
SMHELTER..DON'T BE CAUGHT OUTSIDE IN A THUNDERSTORM.

END

GILKERSON
Special weather statement, Jul 17, 2:28 PM EDT, 1 hour 37 minutes before
^CRWSPSEKN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE - ELKINS, WV
228 PM EDT THU JUL 17 1986

WEATHER RADAR AT 224 PM EDT CONTINUED TO SHOW A STRONG THUNDERSTORM
OVER NORTHWEST PRESTON COUNTY WEST VIRGINIA BETWEEN MASONTOWN AND
MORGANTOWN.

STRONG GUSTY WINDS..HEAVY RAIN..DANGEROUS LIGHTNING AND POSSIBLE SMALL
HAIL WILL ACCOMPANY THIS STORM. LOCALIZED FLOODING TO POOR DRAINAGE
AREAS IS ALSO POSSIBLE WITH THE HEAVY RAIN. IF THREATENING WlEATHER
APPROACHES TAKE SHELTER..DON'T BE CAUGHT OUTSIDE IN A THUNDERSTORM.

END

GILKERSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 2:45 PM EDTSevere Thunderstorm WarningRLXPreston45 min
Jul 17, 3:30 PM EDTSevere Thunderstorm WarningRLXPreston45 min
Jul 17, 6:20 PM EDTSevere Thunderstorm WarningRLXMonongalia, Preston60 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; the sounding from the Mesonet's radiosonde archive.