Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 177, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 2, 1993, 8:18 PM EDT for Erie County, Pennsylvania. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Sep 2, 1993, 8:18 PM EDT (00:18 UTC)
- Expired
- Sep 2, 1993, 9:15 PM EDT
- In force
- 57 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Erie County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.3 hours before the alert went out and 146 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
- 873 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.7
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, Sep 2, 6:14 PM EDT, 2 hours 4 minutes before
OHZ002-011-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 614 PM EDT THU SEP 2 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO AND THE COUNTIES OF LUCAS...WOOD...HANCOCK AND PUTNAM IN NORTHWEST OHIO UNTIL 9 PM EDT. AT 610 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM THE ISLANDS THROUGH THE COUNTIES OF OTTAWA...SANDUSKY...SENECA AND WYANDOT. THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MPH. VERY HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE EAST. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. DIEFENDERFER
Special weather statement, Sep 2, 6:14 PM EDT, 2 hours 4 minutes before
OHZ002-011-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 614 PM EDT THU SEP 2 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO AND THE COUNTIES OF LUCAS...WOOD...HANCOCK AND PUTNAM IN NORTHWEST OHIO UNTIL 9 PM EDT. AT 610 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM THE ISLANDS THROUGH THE COUNTIES OF OTTAWA...SANDUSKY...SENECA AND WYANDOT. THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MPH. VERY HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE EAST. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENC,Y. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. DIEFENDERFER
Special weather statement, Sep 2, 6:19 PM EDT, 1 hour 59 minutes before
OHZ001-002-011-022300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE TOLEDO OH 619 PM EDT THU SEP 2 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO AND THE COUNTIES OF LUCAS...WOOD...HANCOCK AND PUTNAM IN NORTHWEST OHIO UNTIL 9 PM EDT. AT 610 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM THE ISLANDS THROUGH THE COUNTIES OF OTTAWA...SANDUSKY...SENECA AND WYANDOT. THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MPH. VERY HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE EAST. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES U6NLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. DIEFENDERFER CORRECTED HEADER
Special weather statement, Sep 2, 6:19 PM EDT, 1 hour 59 minutes before
OHZ001-002-011-022300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE TOLEDO OH 619 PM EDT THU SEP 2 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO AND THE COUNTIES OF LUCAS...WOOD...HANCOCK AND PUTNAM IN NORTHWEST OHIO UNTIL 9 PM EDT. AT 610 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM THE ISLANDS THROUGH THE COUNTIES OF OTTAWA...SANDUSKY...SENECA AND WYANDOT. THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MPH. VERY HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE EAST. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. DIEFENDERFER CORRECTED HEADER
Special weather statement, Sep 2, 6:32 PM EDT, 1 hour 46 minutes before
OHZ001-002-011-022300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE TOLEDO OH 632 PM EDT THU SEP 2 1993 A FLOOD WARNING IS IN EFFECT FOR LUCAS COUNTY OF NORTHWEST OHIO UNTIL 715 PM EDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO AND THE COUNTIES OF LUCAS...WOOD...HANCOCK AND PUTNAM IN NORTHWEST OHIO UNTIL 9 PM EDT. AT 610 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM THE ISLANDS THROUGH THE COUNTIES OF OTTAWA...SANDUSKY...SENECA AND WYANDOT. THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MPH. VERY HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE tEAST. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. DIEFENDERFER CORRECTED FOR FLOOD WARNING
Special weather statement, Sep 2, 6:32 PM EDT, 1 hour 46 minutes before
OHZ001-002-011-022300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE TOLEDO OH 632 PM EDT THU SEP 2 1993 A FLOOD WARNING IS IN EFFECT FOR LUCAS COUNTY OF NORTHWEST OHIO UNTIL 715 PM EDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO AND THE COUNTIES OF LUCAS...WOOD...HANCOCK AND PUTNAM IN NORTHWEST OHIO UNTIL 9 PM EDT. AT 610 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM THE ISLANDS THROUGH THE COUNTIES OF OTTAWA...SANDUSKY...SENECA AND WYANDOT. THE LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MPH. VERY HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE EAST. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. DIEFENDERFER CORRECTED FOR FLOOD WARNING
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 8:36 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 39 min |
| Sep 2, 8:29 PM EDT | Severe Thunderstorm Warning | CLE | McKean, Warren | 61 min |
| Sep 2, 10:27 PM EDT | Flash Flood Warning | CLE | McKean | 3 hr |
| Sep 3, 3:45 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 45 min |
| Sep 3, 3:50 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 40 min |
| Sep 3, 3:57 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 63 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm warning in 1993
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.