Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 147, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 31, 1993, 9:20 AM EDT for Crawford County, Pennsylvania. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1993, 9:20 AM EDT (13:20 UTC)
- Expired
- Aug 31, 1993, 9:45 AM EDT
- In force
- 25 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 1.3 hours before the alert went out and 142 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
- 1466 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1155 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KERI 311322 SVRCLE PAC039-311345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 920 AM EDT TUE AUG 31 1993 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 AM EDT FOR THE FOLLOWING LOCATION... IN NORTHWEST PENNSYLVANIA ...CRAWFORD COUNTY AT 915 AM...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM ALONG THE OHIO... PENNSYLVANIA BORDER NEAR PYMATUNING LAKE IN SOUTHWESTERN CRAWFORD COUNTY. THIS STORM HAS PRODUCED STRONG WINDS...HEAVY RAINS AND HAIL IN ASHTABULA COUNTY...OHIO. THE STORM DOWNED TREES NEAR ORWELL OHIO. THE STORM IS MOVING EAST AT 35 MILES AN HOUR AND WILL BE OVER PYMATUNING LAKE AT 930 AM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. NICK &
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 31, 6:43 AM EDT, 2 hours 37 minutes before
OHZ001-002-311130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 643 AM EDT TUE AUG 31 1993 THUNDERSTORMS CONTINUED OVER SECTIONS OF NORTHWEST OHIO THIS MORNING. AT 640 AM EDT WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS IN EASTERN LUCAS...WOOD AND NORTHWEST HANCOCK COUNTIES OF NORTHWEST OHIO. THE STRONGEST STORM WAS OVER NORTH CENTRAL HANCOCK COUNTY...JUST NORTH OF FINDLAY. AS THE STORMS PASSED OVER THE NATIONAL WEATHER SERVICE OFFICE AT THE TOLEDO EXPRESS AIRPORT...SHORTLY AFTER 6AM...ONE-QUARTER INCH HAIL FELL AND THERE WERE NUMEROUS CLOUD TO GROUND LIGHTNING STRIKES. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL EXTEND FROM NEAR PORT CLINTON TO FREMONT TO TIFFIN AROUND 715 AM. REMAIN INDOORS WHEN THUNDERSTORMS APPROACH. THESE STORMS WILL PRODUCE FREQUENT LIGHTNING. ALSO...WIND GUSTS TO 35 MILES AN HOUR AND PEA-SIZED HAIL MAY OCCUR. STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES. BARNES/MURPHY
Special weather statement, Aug 31, 6:45 AM EDT, 2 hours 35 minutes before
OHZ001-002-311130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 643 AM EDT TUE AUG 31 1993 THUNDERSTORMS CONTINUED OVER SECTIONS OF NORTHWEST OHIO THIS MORNING. AT 640 AM EDT WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS IN EASTERN LUCAS...WOOD AND NORTHWEST HANCOCK COUNTIES OF NORTHWEST OHIO. THE STRONGEST STORM WAS OVER NORTH CENTRAL HANCOCK COUNTY...JUST NORTH OF FINDLAY. AS THE STORMS PASSED OVER THE NATIONAL WEATHER SERVICE OFFICE AT THE TOLEDO EXPRESS AIRPORT...SHORTLY AFTER 6AM...ONE-QUARTER INCH HAIL FELL AND THERE WERE NUMEROUS CLOUD TO GROUND LIGHTNING STRIKES. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL EXTEND FROM NEAR PORT CLINTON TO FREMONT TO TIFFIN AROUND 715 AM. REMAIN INDOORS WHEN THUNDERSTORMS APPROACH. THESE STORMS WILL PRODUCE FREQUENT LIGHTNING. ALSO...WIND GUSTS TO 35 MILES AN HOUR AND PEA-SIZED HAIL MAY OCCUR. STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES. BARNES/MURPtHY
Special weather statement, Aug 31, 9:08 AM EDT, 12 minutes before
OHZ011-311415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 908 AM EDT TUE AUG 31 1993 SCATTERED SHOWERS AND THUNDERSTORMS WERE MOVING ACROSS PORTIONS OF NORTH CENTRAL OHIO THIS MORNING. AT 905 AM NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM NEAR LUCAS WHICH IS IN SOUTHEAST RICHLAND COUNTY. THIS STORM WAS MOVING NORTHEAST AT 30 MPH AND WILL REACH MIFFLIN IN WEST CENTRAL ASHLAND COUNTY BY 910 AM. THE THUNDERSTORM PRODUCED HEAVY RAIN AND PEA SIZE HAIL AS IT MOVED THROUGH BELLVILLE IN SOUTHERN RICHLAND COUNTY AT 850 AM. DOXEY NNNN
Special weather statement, Aug 31, 9:08 AM EDT, 12 minutes before
OHZ011-311415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 908 AM EDT TUE AUG 31 1993 SCATTERED SHOWERS AND THUNDERSTORMS WERE MOVING ACROSS PORTIONS OF NORTH CENTRAL OHIO THIS MORNING. AT 905 AM NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM NEAR LUCAS WHICH IS IN SOUTHEAST RICHLAND COUNTY. THIS STORM WAS MOVING NORTHEAST AT 30 MPH AND WILL REACH MIFFLIN IN WEST CENTRAL ASHLAND COUNTY BY 910 AM. THE THUNDERSTORM PRODUCED HEAVY RAIN AND PEA SIZE HAIL AS IT MOVED THROUGH BELLVILLE IN SOUTHERN RICHLAND COUNTY AT 850 AM. DOXEY NNNN
Special weather statement, Aug 31, 9:11 AM EDT, 9 minutes before
PAZ002-311400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 911 AM EDT TUE AUG 31 1993 AT 905 AM EDT RADAR AT THE ERIE INTERNATIONAL AIRPORT SHOWED A STRONG THUNDERSTORM NEAR THE PYMATUNING RESERVOIR ALONG THE PENNSYLVANIA AND OHIO BORDER. THIS THUNDERSTORM IS MOVING TO THE EAST AT 30 MILES PER HOUR AND WILL ENTER WESTERN CRAWFORD COUNTY IN THE NEXT 30 MINUTES. THIS STORM IS CAPABLE OF PRODUCING LOCALLY HEAVY DOWNPOURS AND STRONG GUSTY WINDS ARE ALSO POSSIBLE. BELK
Special weather statement, Aug 31, 9:11 AM EDT, 9 minutes before
PAZ002-311400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 911 AM EDT TUE AUG 31 1993 AT 905 AM EDT RADAR AT THE ERIE INTERNATIONAL AIRPORT SHOWED A STRONG THUNDERSTORM NEAR THE PYMATUNING RESERVOIR ALONG THE PENNSYLVANIA AND OHIO BORDER. THIS THUNDERSTORM IS MOVING TO THE EAST AT 30 MILES PER HOUR AND WILL ENTER WESTERN CRAWFORD COUNTY IN THE NEXT 30 MINUTES. THIS STORM IS CAPABLE OF PRODUCING LOCALLY HEAVY DOWNPOURS AND STRONG GUSTY WINDS ARE ALSO POSSIBLE. BELK
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 1:08 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 67 min |
| Aug 31, 1:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 69 min |
| Aug 31, 1:41 PM EDT | Severe Thunderstorm Warning | CLE | Potter | 64 min |
| Aug 31, 2:32 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 58 min |
| Aug 31, 2:35 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 55 min |
| Aug 31, 2:43 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 62 min |
| Aug 31, 3:59 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 61 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.