Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 166, NWS State College, PA

November 1, 1994Lehigh County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Nov 1, 1994, 3:44 PM EST for Lehigh County, Pennsylvania. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Nov 1, 1994, 3:44 PM EST (20:44 UTC)
Expired
Nov 1, 1994, 4:30 PM EST
In force
46 min
Issued by
NWS State College, PA
Area
Whole counties

County Lehigh County, PA

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.7 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, Brookhaven, NY at 12:00Z on 1994-11-01Temperature 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, Brookhaven, NY at 12:00Z on 1994-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
-53 J/kg
Mixed-layer LCL
515 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
146 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 State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 1, 1:07 PM ESTSevere Thunderstorm WarningCTPFranklin53 min
Nov 1, 2:14 PM ESTSevere Thunderstorm WarningCTPYork46 min
Nov 1, 2:46 PM ESTSevere Thunderstorm WarningCTPLancaster, Lebanon, Schuylkill59 min
Nov 1, 3:16 PM ESTSevere Thunderstorm WarningCTPBerks44 min
Nov 1, 4:25 PM ESTSevere Thunderstorm WarningCTPMonroe50 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.