Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 180, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 3, 1993, 3:45 PM EDT for Lawrence County, Pennsylvania. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Sep 3, 1993, 3:45 PM EDT (19:45 UTC)
- Expired
- Sep 3, 1993, 4:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Lawrence County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.8 hours before the alert went out and 68 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
- 757 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.8
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 3, 1:23 PM EDT, 2 hours 22 minutes before
OHZ004-007-091815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 123 PM EDT FRI SEP 3 1993 A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS WAS MOVING THROUGH NORTHEAST OHIO THIS AFTERNOON. AT 120 PM AKRON CANTON WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NORTHERN SUMMIT COUNTY SOUTHWEST THROUGH WAYNE COUNTY INTO WESTERN HOLMES COUNTY. THE STRONGEST THUNDERSTORM WITHIN THIS LINE WAS LOCATED 10 MILES WEST OF WOOSTER. THIS LINE WAS MOVING EAST AT 35 MPH AND...AT 2 PM...WILL BE LOCATED FROM RAVENNA THROUGH MASSILLON TO MILLERSBURG. THESE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. WIND GUSTS TO 35 MPH ARE ALSO POSSIBLE. THOMPSON
Special weather statement, Sep 3, 1:25 PM EDT, 2 hours 20 minutes before
OHZ004-007-091815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 123 PM EDT FRI SEP 3 1993 A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS WAS MOVING THROUGH NORTHEAST OHIO THIS AFTERNOON. AT 120 PM AKRON CANTON WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NORTHERN SUMMIT COUNTY SOUTHWEST THROUGH WAYNE COUNTY INTO WESTERN HOLMES COUNTY. THE STRONGEST THUNDERSTORM WITHIN THIS LINE WAS LOCATED 10 MILES WEST OF WOOSTER. THIS LINE WAS MOVING EAST AT 35 MPH AND...AT 2 PM...WILL BE LOCATED FROM RAVENNA THROUGH MASSILLON TO MILLERSBURG. THESE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING bAREAS. WIND GUSTS TO 35 MPH ARE ALSO POSSIBLE. THOMPSON
Special weather statement, Sep 3, 2:18 PM EDT, 1 hour 27 minutes before
OHZ004-007-091910- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 218 PM EDT FRI SEP 3 1993 A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS WAS MOVING THROUGH NORTHEAST OHIO THIS AFTERNOON. AT 215 PM AKRON CANTON WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NEAR RAVENNA SOUTHWEST THROUGH CANTON TO JUST WEST OF DOVER. THIS LINE WAS MOVING EAST AT 35 MPH. BRIEF HEAVY RAIN WILL CREATE NEAR ZERO VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. WIND GUSTS TO 45 MPH ARE ALSO LIKELY. BY 3 PM THIS LINE OF THUNDERSTORMS WILL EXTEND FROM NEAR YOUNGSTOWN SOUTH THROUGH CARROLL COUNTY. THOMPSON
Special weather statement, Sep 3, 2:20 PM EDT, 1 hour 25 minutes before
OHZ004-007-091910- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 218 PM EDT FRI SEP 3 1993 A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS WAS MOVING THROUGH NORTHEAST OHIO THIS AFTERNOON. AT 215 PM AKRON CANTON WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NEAR RAVENNA SOUTHWEST THROUGH CANTON TO JUST WEST OF DOVER. THIS LINE WAS MOVING EAST AT 35 MPH. BRIEF HEAVY RAIN WILL CREATE NEAR ZERO VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. WIND GUSTS TO 45 MPH ARE ALSO LIKELY. BY 3 PM THIS LINE OF THUNDERSTORMS WILL EXTEND FROM NEAR YOUNGSTOWN SOUTH THROUGH CARROLL COUNTY. THOMPSON
Special weather statement, Sep 3, 2:50 PM EDT, 55 minutes before
PAZ001-002-003-032000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 250 PM EDT FRI SEP 03 1993 ...SHOWERS AND THUNDERSTORMS MOVING INTO NORTHWEST PENNSYLVANIA... ...SEVERE THUNDERSTORM WATCH FOR ALL OF WESTERN PENNSYLVAINIA... ...EXCEPT ERIE COUNTY UNTIL 8 PM... ...FLASH FLOOD WATCH FOR WESTERN PENNSYLVANIA EXCEPT THE ERIE COUNTY... ...LAKESHORE UNTIL 11 PM... AT 245 PM WEATHER RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM SOUTHWEST ERIE COUNTY SOUTHWEST THROUGH EASTERN OHIO. THIS LINE IS MOVING EAST-WARD AT 35 MILES AN HOUR AND WILL BE MOVING ACROSS ERIE AND CRAWFORD COUNTIES. THUNDERSTORMS WILL PRODUCE DANGEROUS LIGHTNING...STRONG GUSTY WINDS...HAIL... AND HEAVY DOWNPOURS CAUSING ROADWAY AND LOWLAND FLOODING. PARRISH/BELK
Special weather statement, Sep 3, 2:59 PM EDT, 46 minutes before
PAZ001-002-003-032000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 250 PM EDT FRI SEP 03 1993 ...SHOWERS AND THUNDERSTORMS MOVING INTO NORTHWEST PENNSYLVANIA... ...SEVERE THUNDERSTORM WATCH FOR ALL OF WESTERN PENNSYLVAINIA... ...EXCEPT ERIE COUNTY UNTIL 8 PM... ...FLASH FLOOD WATCH FOR WESTERN PENNSYLVANIA EXCEPT THE ERIE COUNTY... ...LAKESHORE UNTIL 11 PM... AT 245 PM WEATHER RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM SOUTHWEST ERIE COUNTY SOUTHWEST THROUGH EASTERN OHIO. THIS LINE IS MOVING EAST-WARD AT 35 MILES AN HOUR AND WILL BE MOVING ACROSS ERIE AND CRAWFORD COUNTIES. THUNDERSTORMS WILL PRODUCE DANGEROUS LIGHTNING...STRONG GUSTY WINDS...HAIL... NAND HEAVY DOWNPOURS CAUSING ROADWAY AND LOWLAND FLOODING. PARRISH/BELK
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, 8:18 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 57 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, 3:50 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.