Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 250, NWS State College, PA

December 1, 1996Bedford County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Dec 1, 1996, 7:04 PM EST for Bedford County, Pennsylvania. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 1, 1996, 7:04 PM EST (00:04 UTC)
Expired
Dec 1, 1996, 7:45 PM EST
In force
41 min
Issued by
NWS State College, PA
Area
Whole counties

County Bedford County, PA

The radar

The State College radar (KCCX), 110 km from the middle of the area, began a volume at 00:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 0.1 hours before the alert went out and 150 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, Washington/Dulle, VA at 00:00Z on 1996-12-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 1996-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 322 square meters per square second.1939587897117Sfc1 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
16 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
458 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
322 m²/s²
0-3 km storm-relative helicity
347 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Dec 1, 11:42 AM EST, 7 hours 22 minutes earlier.

Area forecast discussion, Dec 1, 11:42 AM EST, 7 hours 22 minutes before
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In the hours before

Special weather statement, Dec 1, 4:31 PM EST, 2 hours 33 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-
046-049>053-056>059-063>066-012200-

SPECIAL WEATHER STATEMENT...WIND ADVISORY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
430 PM EST SUN DEC 1 1996

...THE NATIONAL WEATHER SERVICE HAS ALLOWED THE WIND ADVISORY
THAT WAS IN EFFECT FOR PORTIONS OF CENTRAL PENNSYLVANIA TO
EXPIRE...

WINDS ARE EXPECTED TO REMAIN BRISK THROUGH THE EVENING AS A
STRONG COLD FRONT SWEEPS ACROSS THE REGION...BUT OVERALL WIND
SPEEDS ARE SHOWING SIGNS OF DIMINISHING AND BECOMING MORE
LOCALIZED IN NATURE.

LA CORTE

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 1, 8:25 PM ESTFlash Flood WarningCTPLancaster4 hr
Dec 1, 8:25 PM ESTFlash Flood WarningCTPFranklin4 hr
Dec 1, 8:43 PM ESTFlash Flood WarningCTPBedford, Blair, Fulton, Huntingdon4 hr
Dec 1, 9:13 PM ESTFlash Flood WarningCTPCentre, Clinton, Lycoming, Union4 hr
Dec 1, 9:13 PM ESTFlash Flood WarningCTPTioga4 hr
Dec 1, 9:34 PM ESTFlash Flood WarningCTPJuniata, Mifflin, Snyder4 hr
Dec 1, 10:37 PM ESTFlash Flood WarningCTPColumbia, Montour, Northumberland, Sullivan4 hr
Dec 1, 11:09 PM ESTFlash Flood WarningCTPSchuylkill3 hr
Dec 2, 12:29 AM ESTFlash Flood WarningCTPLancaster5 hr
Dec 2, 1:16 AM ESTFlash Flood WarningCTPHuntingdon5 hr
Dec 2, 2:05 AM ESTFlash Flood WarningCTPSchuylkill4 hr
Dec 2, 2:45 AM ESTFlash Flood WarningCTPColumbia3 hr
Dec 2, 3:21 AM ESTFlash Flood WarningCTPLycoming3 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.