Alert archive / West Virginia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 108, NWS Charleston, WV

August 11, 1992Monongalia County, Preston County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Aug 11, 1992, 12:52 PM EDT for Monongalia County, Preston County, West Virginia. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Aug 11, 1992, 12:52 PM EDT (16:52 UTC)
Expired
Aug 11, 1992, 2:00 PM EDT
In force
68 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Monongalia County, WV, Preston County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.9 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 1992-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1238 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 1992-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
1238 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.4

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 3:48 PM EDTFlash Flood WarningRLXPreston57 min
Aug 11, 5:04 PM EDTSevere Thunderstorm WarningRLXBraxton, Webster56 min
Aug 11, 7:09 PM EDTSevere Thunderstorm WarningRLXLogan66 min
Aug 11, 7:27 PM EDTFlash Flood WarningRLXBoone2 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 1992Every severe thunderstorm warning in 1992

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.