Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 150, NWS State College, PA

August 28, 1994Warren County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 28, 1994, 1:14 PM EDT for Warren County, Pennsylvania. It was in force for 46 min.

The area

The counties it named.

The facts

Issued: Aug 28, 1994, 1:14 PM EDT (17:14 UTC)
Expired: Aug 28, 1994, 2:00 PM EDT
In force: 46 min
Issued by: NWS State College, PA
Area: Whole counties

County Warren County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.2 hours before the alert went out and 133 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 498 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 277 m²/s²
0-3 km storm-relative helicity: 322 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

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.

In the hours before

Special weather statement, Aug 28, 10:29 AM EDT, 2 hours 45 minutes before

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Special weather statement, Aug 28, 11:49 AM EDT, 1 hour 25 minutes before

PAZ004>006-010>012-017>019-024>028-033>035-037-041-042-045-046-
049>053-281750-

SPECIAL WEATHER STATEMENT - TORNADO WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1149 AM EDT SUN AUG 28 1994

...A TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHWEST AND
NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT...

A TORNADO WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES OF
NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT...

WARREN... MCKEAN... POTTER...

ELK... CAMERON AND CLEARFIELD

AT 1145 AM EDT... DOPPLER RADAR INDICATED INTENSE THUNDERSTORMS MOVING
ACROSS NORTHERN LAKE ERIE WATERS TOWARD NORTHWEST PENNSYLVANIA AND
SOUTHWEST NEW YORK STATE. THESE THUNDERSTORMS WILL MOVE INTO WARREN
AND MCKEAN COUNTIES BETWEEN 1 AND 3 PM THIS AFTERNOON.

TORNADOES... DAMAGING WINDS... LARGE HAIL... FREQUENT LIGHTNING AND
HEAVY RAINFALL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE INTO THE
WATCH AREA.

PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE
LATEST WEATHER INFORMATION.

DO NOT USE YOUR CAR TO OUTRUN A TORNADO.  CARS ARE EASILY TOSSED
AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

NICOSIA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 8:07 PM EDT	Severe Thunderstorm Warning	CTP	Perry	68 min
Aug 28, 4:40 PM EDT	Severe Thunderstorm Warning	CTP	Elk	65 min
Aug 28, 5:00 PM EDT	Tornado Warning	CTP	Elk, McKean	45 min
Aug 28, 5:28 PM EDT	Severe Thunderstorm Warning	CTP	Cameron	47 min
Aug 28, 7:16 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	59 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994 Every 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.