Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 52, NWS Pittsburgh, PA

June 17, 1994Cambria County, Clearfield County, Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 17, 1994, 5:50 PM EDT for Cambria County, Clearfield County, Indiana County, Pennsylvania. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1994, 5:50 PM EDT (21:50 UTC)
Expired
Jun 17, 1994, 6:30 PM EDT
In force
40 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Cambria County, PA, Clearfield County, PA, Indiana County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.8 hours before the alert went out and 118 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 1994-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1058 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 1994-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1058 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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 16, 9:46 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver59 min
Jun 16, 10:29 PM EDTFlash Flood WarningPBZAllegheny, Beaver, Washington91 min
Jun 16, 10:29 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Washington21 min
Jun 17, 5:02 PM EDTSevere Thunderstorm WarningPBZClearfield58 min
Jun 17, 5:44 PM EDTSevere Thunderstorm WarningPBZCambria, Clearfield46 min
Jun 17, 6:14 PM EDTSevere Thunderstorm WarningPBZIndiana, Jefferson46 min
Jun 17, 7:06 PM EDTSevere Thunderstorm WarningPBZArmstrong69 min
Jun 17, 7:55 PM EDTSevere Thunderstorm WarningPBZButler50 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 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.