Alert archive / West Virginia / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 79, NWS Pittsburgh, PA

June 29, 1994Marshall County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 29, 1994, 5:54 AM EDT for Marshall County, West Virginia. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 5:54 AM EDT (09:54 UTC)
Expired
Jun 29, 1994, 6:45 AM EDT
In force
51 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Marshall County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 9.9 hours before the alert went out and 78 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 00:00Z on 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 00:00Z on 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.19395878Sfc1 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
17 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1244 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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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 Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 5:48 AM EDTSevere Thunderstorm WarningPBZWashington57 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1994Every severe thunderstorm warning in 1994

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.