Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 80, NWS State College, PA

July 6, 1994McKean County, Potter County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 6, 1994, 4:10 PM EDT for McKean County, Potter County, Pennsylvania. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 6, 1994, 4:10 PM EDT (20:10 UTC)
Expired
Jul 6, 1994, 6:15 PM EDT
In force
2 hr
Issued by
NWS State College, PA
Area
Whole counties

Counties McKean County, PA, Potter County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.2 hours before the alert went out and 134 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, Buffalo Intl Airport, NY at 12:00Z on 1994-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 362 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, Buffalo Intl Airport, NY at 12:00Z on 1994-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
362 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1159 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

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
Jul 6, 4:26 PM EDTSevere Thunderstorm WarningCTPBradford, Tioga64 min
Jul 6, 5:24 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming, Sullivan66 min
Jul 6, 5:52 PM EDTSevere Thunderstorm WarningCTPUnion68 min
Jul 6, 6:11 PM EDTSevere Thunderstorm WarningCTPNorthumberland64 min
Jul 6, 6:45 PM EDTSevere Thunderstorm WarningCTPLebanon60 min
Jul 6, 7:03 PM EDTFlash Flood WarningCTPHuntingdon57 min
Jul 6, 7:03 PM EDTSevere Thunderstorm WarningCTPHuntingdon57 min
Jul 6, 7:25 PM EDTSevere Thunderstorm WarningCTPJuniata65 min
Jul 6, 7:25 PM EDTSevere Thunderstorm WarningCTPDauphin65 min
Jul 6, 7:37 PM EDTSevere Thunderstorm WarningCTPPerry68 min
Jul 6, 7:38 PM EDTSevere Thunderstorm WarningCTPBedford2 hr
Jul 6, 7:41 PM EDTSevere Thunderstorm WarningCTPLancaster64 min
Jul 6, 7:45 PM EDTSevere Thunderstorm WarningCTPCumberland, York60 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.