Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 151, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 28, 1994, 4:40 PM EDT for Elk County, Pennsylvania. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 28, 1994, 4:40 PM EDT (20:40 UTC)
- Expired
- Aug 28, 1994, 5:45 PM EDT
- In force
- 65 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Elk County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.7 hours before the alert went out and 166 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.
- Mixed-layer CAPE
- 653 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 282041 RRA SVRCTP PAC047-282145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 440 PM EDT SUN AUG 28 1994 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...ELK COUNTY AT 440 PM EDT... DOPPLER RADAR IN STATE COLLEGE SHOWED A SEVERE THUNDERSTORM IN EASTERN FOREST COUNTY NEAR PIGEON MOVING EAST AT 40 MPH. THIS STORM WILL MOVE INTO ELK COUNTY AND CROSS RIDGWAY BY 5 PM. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. NICOSIA
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, 11:49 AM EDT, 4 hours 51 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
Special weather statement, Aug 28, 2:05 PM EDT, 2 hours 35 minutes before
PAZ004>006-037-041-042-282005- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WARNING EXPIRATION NATIONAL WEATHER SERVICE STATE COLLEGE PA... CORRECTED 205 PM EDT SUN AUG 28 1994 ...SEVERE THUNDERSTORM WARNING FOR WARREN COUNTY HAS EXPIRED AT 2 PM EDT.. AT 155 PM EDT... DOPPLER RADAR SHOWED A WEAKENING AREA SHOWERS AND THUNDERSTORMS NEAR LANDER. THIS AREA OF SHOWERS AND THUNDERSTORMS WILL EXIT WARREN COUNTY SHORTLY. A LINE OF RAPIDLY DEVELOPING SEVERE THUNDERSTORMS HAVE FORMED ALONG THE ERIE LAKESHORE FROM ERIE PENNSYLVANIA SOUTHWEST INTO NORTHEAST OHIO. THIS LINE OF THUNDERSTORMS WAS MOVING EAST AND MAY AFFECT WARREN COUNTY BETWEEN 2 AND 3 PM. PERSONS IN WARREN COUNTY SHOULD KEEP ABREAST OF THE LATEST WEATHER INFORMATION CONCERNING THIS NEWLY DEVELOPED LINE OF THUNDERSTORMS. A TORNADO WATCH REMAINS IN EFFECT FOR NORTHWEST PENNSYLVANIA AND PARTS OF NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT.
Special weather statement, Aug 28, 2:30 PM EDT, 2 hours 10 minutes before
PAZ004>006-010-011-017-282130- SPECIAL WEATHER STATEMENT - TORNADO WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 230 PM EDT SUN AUG 28 1994 ...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT... A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT... WARREN... MCKEAN... POTTER... ELK... CAMERON AND CLEARFIELD AT 225 PM EDT... DOPPLER RADAR SHOWED THUNDERSTORMS FROM ERIE COUNTY SOUTHWEST INTO NORTHEAST OHIO. THESE THUNDERSTORMS WERE MOVING EAST-SOUTHEAST AND WILL AFFECT PARTS OF THE WATCH AREA BETWEEN 230 AND 4 PM. THERE WAS ALSO AN ISOLATED SHOWER IN EASTERN WARREN COUNTY NEAR SHEFFIELD BARNES. ANY THUNDERSTORM THAT MOVES INTO OR DEVELOPS IN THE WATCH AREA HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE HAIL. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE LATEST WEATHER INFORMATION. REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN AND NEAR THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE THE APPROACH OF THREATENING WEATHER. NICOSIA
Special weather statement, Aug 28, 2:31 PM EDT, 2 hours 9 minutes before
PAZ004>006-010-011-017-282130- SPECIAL WEATHER STATEMENT - TORNADO WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 230 PM EDT SUN AUG 28 1994 ...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT... A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT... WARREN... MCKEAN... POTTER... ELK... CAMERON AND CLEARFIELD AT 225 PM EDT... DOPPLER RADAR SHOWED THUNDERSTORMS FROM ERIE COUNTY SOUTHWEST INTO NORTHEAST OHIO. THESE THUNDERSTORMS WERE MOVING EAST-SOUTHEAST AND WILL AFFECT PARTS OF THE WATCH AREA BETWEEN 230 AND 4 PM. THERE WAS ALSO AN ISOLATED SHOWER IN EASTERN WARREN COUNTY NEAR SHEFFIELD BARNES. ANY THUNDERSTORM THAT MOVES INTO OR DEVELOPS IN THE WATCH AREA HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE HAIL. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE LATEST WEATHER INFORMATION. REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN AND NEAR THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE THE APPROACH OF THREATENING WEATHER. NICOSIA
Special weather statement, Aug 28, 3:42 PM EDT, 58 minutes before
PAZ004>006-010-011-017-282100-
SPECIAL WEATHER STATEMENT - TORNADO WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
342 PM EDT SUN AUG 28 1994
...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF
NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT...
A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF
NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT...
WARREN... MCKEAN... POTTER...
ELK... CAMERON AND CLEARFIELD
AT 335 PM EDT... DOPPLER RADAR SHOWED A LINE OF THUNDERSTORMS FROM
NORTHWEST MCKEAN COUNTY NEAR BRADFORD SOUTHWEST ACROSS NORTHERN AND
WESTERN WARREN COUNTY TO CRAWFORD COUNTY. THE THUNDERSTORMS IN
CRAWFORD COUNTY HAVE A HISTORY OF PRODUCING WIND DAMAGE. THE LINE OF
THUNDERSTORMS WILL MOVE ACROSS THE REMAINDER OF WARREN AND MCKEAN
COUNTIES BETWEEN 4 AND 5 PM. THE THUNDERSTORMS WILL ALSO MOVE INTO
NORTHERN ELK COUNTY BY AROUND 5 PM.
ANY THUNDERSTORM THAT MOVES ACROSS OR DEVELOPS IN THE WATCH AREA
HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE
HAIL.
PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE
LATEST WEATHER INFORMATION.
REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR. NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE
INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE
THE APPROACH OF THREATENING WEATHER.
NICOSIA
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,90400-Special weather statement, Aug 28, 3:43 PM EDT, 57 minutes before
PAZ004>006-010-011-017-282100- SPECIAL WEATHER STATEMENT - TORNADO WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 342 PM EDT SUN AUG 28 1994 ...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT... A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT... WARREN... MCKEAN... POTTER... ELK... CAMERON AND CLEARFIELD AT 335 PM EDT... DOPPLER RADAR SHOWED A LINE OF THUNDERSTORMS FROM NORTHWEST MCKEAN COUNTY NEAR BRADFORD SOUTHWEST ACROSS NORTHERN AND WESTERN WARREN COUNTY TO CRAWFORD COUNTY. THE THUNDERSTORMS IN CRAWFORD COUNTY HAVE A HISTORY OF PRODUCING WIND DAMAGE. THE LINE OF THUNDERSTORMS WILL MOVE ACROSS THE REMAINDER OF WARREN AND MCKEAN COUNTIES BETWEEN 4 AND 5 PM. THE THUNDERSTORMS WILL ALSO MOVE INTO NORTHERN ELK COUNTY BY AROUND 5 PM. ANY THUNDERSTORM THAT MOVES ACROSS OR DEVELOPS IN THE WATCH AREA HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE HAIL. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE LATEST WEATHER INFORMATION. REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN AND NEAR THE WAT*CH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE THE APPROACH OF THREATENING WEATHER. 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, 1:14 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 46 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, 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.