Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 228, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 25, 1994, 7:03 PM EDT for McKean County, Potter County, Pennsylvania. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1994, 7:03 PM EDT (23:03 UTC)
- Expired
- Jul 25, 1994, 8:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties McKean County, PA, Potter County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.1 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.
- Mixed-layer CAPE
- 91 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1176 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KERI 252304 RRA SVRERI PAC083-105-260000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 703 PM EDT MON JUL 25 1994 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM EDT FOR THE FOLLOWING LOCATIONS... IN NORTHWEST PENNSYLVANIA ...MCKEAN COUNTY...POTTER COUNTY AT 655 PM ERIE WEATHER RADAR AND STATE COLLEGE DOPPLER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM IN EASTERN MCKEAN COUNTY IN THE NORTH CENTRAL PENNSYLVANIA MOUNTAINS. THIS SEVERE STORM WAS 10 TO 15 MILES EAST OF MT JEWETT MOVING TOWARDS THE EAST AT 25 MILES AN HOUR. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN lA STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Jul 25, 3:06 PM EDT, 3 hours 57 minutes before
OHZ021-022-031-032-038-039-040-048-049-050-058-059-068-069-076-252005- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 306 PM EDT MON JUL 25 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHERN HALF OF OHIO...GENERALLY THE AREA AROUND INTERSTATE 70 AND POINTS SOUTH UNTIL 8 PM EDT. AT 300 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS ALONG AND TO THE WEST OF A MERCER PENNSYLVANIA..SALEM OHIO...DOVER...CAMBRIDGE...BEVERLY LINE. THE STRONGEST STORMS WERE BETWEEN WASHINGTON COURTHOUSE AND MCCONNELSVILLE. ALL THE STORMS WERE MOVING EAST AROUND 30 MPH. THE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 45 MPH...VERY HEAVY RAINS...FREQUENT LIGHTNING AND SMALL HAIL. THE HEAVY RAINS WILL LIKELY CAUSE PONDING AND STANDING OF WATER ON ROADWAYS AND SOME LOCALIZED FLOODING. > IF A STORM APPROACHES MOVE TO A PLACE OF SAFETY UNTIL THE STORM HAS PASSED. IK ...CORRECTED TYPO IN SECOND PARAGRAPH...
Special weather statement, Jul 25, 3:07 PM EDT, 3 hours 56 minutes before
OHZ021-022-031-032-038-039-040-048-049-050-058-059-068-069-076-252005- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 306 PM EDT MON JUL 25 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHERN HALF OF OHIO...GENERALLY THE AREA AROUND INTERSTATE 70 AND POINTS SOUTH UNTIL 8 PM EDT. AT 300 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS ALONG AND TO THE WEST OF A MERCER PENNSYLVANIA..SALEM OHIO...DOVER...CAMBRIDGE...BEVERLY LINE. THE STRONGEST STORMS WERE BETWEEN WASHINGTON COURTHOUSE AND MCCONNELSILLE. ALL THE STORMS WERE MOVING EAST AROUND 30 MPH. THE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 45 MPH...VERY HEAVY RAINS..n.FREQUENT LIGHTNING AND SMALL HAIL. THE HEAVY RAINS WILL LIKELY CAUSE PONDING AND STANDING OF WATER ON ROADWAYS AND SOME LOCALIZED FLOODING. > IF A STORM APPROACHES MOVE TO A PLACE OF SAFETY UNTIL THE STORM HAS PASSED. IK
Special weather statement, Jul 25, 3:14 PM EDT, 3 hours 49 minutes before
OHZ021-022-031-032-038-039-040-048-049-050-058-059-068-069-076-252005- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 306 PM EDT MON JUL 25 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHERN HALF OF OHIO...GENERALLY THE AREA AROUND INTERSTATE 70 AND POINTS SOUTH UNTIL 8 PM EDT. AT 300 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS ALONG AND TO THE WEST OF A MERCER PENNSYLVANIA..SALEM OHIO...DOVER...CAMBRIDGE...BEVERLY LINE. THE STRONGEST STORMS WERE BETWEEN WASHINGTON COURTHOUSE AND MCCONNELSVILLE. ALL THE STORMS WERE MOVING EAST AROUND 30 MPH. THE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 45 MPH...VERY HEAVY RAINS...FREQUENT LIGHTNING AND SMALL HAIL. THE HEAVY RAINS WILL LIKELY CAUSE PONDING AND STANDING OF WATER ON ROADWAYS AND SOME LOCALIZED FLOODING. > IF A STORM APPROACHES MOVE TO A PLACE OF SAFETY UNTIL THE STORM HAS PASSED. IK ...CORRECTED TYPO IN SECOND PARAGRAPH...
Local storm report, Jul 25, 5:23 PM EDT, 1 hour 40 minutes before
STORM REPORT NATIONAL WEATHER SERVICE AKRON OH 522 PM EDT MON JUL 1994 WASHINGTON COUNTY... BUNCH OF POWER LINES AND SOME TREES DOWN DUE TO WINDS. WIDESPREAD IN AN AREA MAINLY ALONG THE OHIO RIVER. OCCURRING BETWEEN 1600 AND 1610 EDT. IK
Special weather statement, Jul 25, 6:39 PM EDT, 24 minutes before
PAZ005-006-260045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE PA 639 PM EDT MON JUL 25 1994 ...SEVERE THUNDERSTORM WATCH INCLUDES POTTER COUNTY UNTIL 9 PM... AT 635 PM ERIE WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN MCKEAN COUNTY IN THE NORTH CENTRAL MOUNTAINS OF PENNSYLVANIA. THE STRONGEST THUNDERSTORMS WERE OCCURRING FROM MT JEWETT TO NEAR PORT ALLEGENY. THESE THUNDERSTORMS ARE MOVING TOWARDS THE EAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HAIL AND HEAVY DOWNPOURS.
Special weather statement, Jul 25, 6:42 PM EDT, 21 minutes before
PAZ005-006-260045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE PA 639 PM EDT MON JUL 25 1994 ...SEVERE THUNDERSTORM WATCH INCLUDES POTTER COUNTY UNTIL 9 PM... AT 635 PM ERIE WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN MCKEAN COUNTY IN THE NORTH CENTRAL MOUNTAINS OF PENNSYLVANIA. THE STRONGEST THUNDERSTORMS WERE OCCURRING FROM MT JEWETT TO NEAR PORT ALLEGENY. THESE THUNDERSTORMS ARE MOVING TOWARDS THE EAST AT 25 MILES AN FHOUR. THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HAIL AND HEAVY DOWNPOURS.
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 2:19 PM EDT | Severe Thunderstorm Warning | CLE | Potter | 56 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.