Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 76, NWS Pittsburgh, PA

October 15, 1992Beaver County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Oct 15, 1992, 4:28 PM EDT for Beaver County, Pennsylvania. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Oct 15, 1992, 4:28 PM EDT (20:28 UTC)
Expired
Oct 15, 1992, 5:30 PM EDT
In force
62 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Beaver County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.5 hours before the alert went out and 37 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 1992-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1992-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939587897Sfc1 km3 km6 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
7 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
126 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
Oct 15, 4:40 PM EDTSevere Thunderstorm WarningPBZButler65 min
Oct 15, 5:15 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion60 min
Oct 15, 5:50 PM EDTSevere Thunderstorm WarningPBZJefferson70 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 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.