Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 78, NWS State College, PA

September 22, 1992Adams County, Franklin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Sep 22, 1992, 4:59 PM EDT for Adams County, Franklin County, Pennsylvania. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Sep 22, 1992, 4:59 PM EDT (20:59 UTC)
Expired
Sep 22, 1992, 6:00 PM EDT
In force
61 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Adams County, PA, Franklin County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.0 hours before the alert went out and 231 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 1992-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 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 1992-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
111 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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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 State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 22, 6:28 PM EDTSevere Thunderstorm WarningCTPBerks62 min
Sep 22, 6:34 PM EDTSevere Thunderstorm WarningCTPLancaster41 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.