Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 277, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 27, 1994, 5:37 PM EDT for Lawrence County, Pennsylvania. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Aug 27, 1994, 5:37 PM EDT (21:37 UTC)
- Expired
- Aug 27, 1994, 6:45 PM EDT
- In force
- 68 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Lawrence County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.6 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
- 949 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Aug 27, 1:18 PM EDT, 4 hours 19 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-271810- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 110 PM EDT SAT AUG 27 1994 SCATTERED THUNDERSTORMS HAVE DEVELOPED ACROSS SOUTHEAST OHIO EARLY THIS AFTERNOON. AT 100 PM EDT NATIONAL WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS TO THE SOUTH OF A CROOKSVILLE...CAMBRIGDE...WHEELING WEST VIRGINIA. THE STRONGEST STORM WAS OVER MONROE COUNTY. ALL THE STORMS WERE MOVING TO THE SOUTHEAST AROUND 20 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 35 MPH...VERY HEAVY DOWNPOURS...FREQUENT LIGHTNING AND EVEN SMALL HAIL. IF A STORM APPROACHES MOVE TO A PLACE OF SAFETY UNTIL THE STORM HAS PASSED. IK h ...CORRECTED HEADER AND A TYPO...
Special weather statement, Aug 27, 2:15 PM EDT, 3 hours 22 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-271915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 215 PM EDT SAT AUG 27 1994 THUNDERSTORMS WERE MOVING ACROSS EASTERN OHIO THIS AFTERNOON. AT 206 PM EDT NATIONAL WEATHER RADAR INDICATED WIDELY SCATTERED THUNDERSTORMS TO THE EAST OF A LORAIN...MINERVA...ZANESVILLE...ATHENS LINE. THE STRONGEST STORMS WERE OVER THE CARROLL/COLUMBIANA BORDER AND ALONG THE OHIO RIVER IN SOUTHEASTERN MONROE COUNTY. ALL THE STORMS WERE MOVING EASTERLY AT AROUND 15 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 35 MPH...VERY HEAVY DOWNPOURS...FREQUENT LIGHTNING AND EVEN SMALL HAIL. THE HEAVY RAINS MAY CAUSE SOME PONDING AND STANDING OF WATERS ON ROADWAYS. IF A STORM APPROACHES MOVE TO A PLACE OF SAFETY UNTIL THE STORM HAS PASSED. IK
Special weather statement, Aug 27, 2:39 PM EDT, 2 hours 58 minutes before
OHZ010>014-020>023-031>033-PAZ001>003-272000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 240 PM EDT SAT AUG 27 1994 THUNDERSTORMS WITH HEAVY RAIN HAD DEVELOPED ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. AT 240 PM...DOPPLER RADAR IN CLEVELAND INDICATED A LINE OF THUNDERSTORMS OVER NORTHWEST PENNSYLVANIA THAT EXTENDED WESTWARD THROUGH NORTHERN CRAWFORD COUNTY. THE LINE STRETCHED FROM NEAR CENTERVILLE...WEST THROUGH CAMBRIDGE SPRINGS TO JUST EAST OF CONNEAUTVILLE. THESE STORMS WERE MOVING SOUTHEAST AROUND 10 MPH. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS. SOME STREET FLOODING IS LIKELY WHERE THE STORMS PERSIST. OTHER THUNDERSTORMS HAD DEVELOPED IN THE CLEVELAND AREA. A BAND OF THUNDERSTORMS WITH HEAVY RAIN EXTENDED FROM JUST EAST OF ELYRIA IN LORAIN COUNTY...EAST ACROSS SOUTHERN CUYAHOGA COUNTY TO NEAR BEDFORD. THESE STORMS WERE DRIFTING SOUTHEAST AND WILL ALSO PRODUCE LOCALLY HEAVY DOWNPOURS AND SOME STREET FLOODING. GABRIC
Special weather statement, Aug 27, 2:40 PM EDT, 2 hours 57 minutes before
OHZ010>014-020>023-031>033-PAZ001>003-272000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 240 PM EDT SAT AUG 27 1994 THUNDERSTORMS WITH HEAVY RAIN HAD DEVELOPED ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. AT 240 PM...DOPPLER RADAR IN CLEVELAND INDICATED A LINE OF THUNDERSTORMS OVER NORTHWEST PENNSYLVANIA THAT EXTENDED WESTWARD THROUGH NORTHERN CRAWFORD COUNTY. THE LINE STRETCHED FROM NEAR CENTERVILLE...WEST THROUGH CAMBRIDGE SPRINGS TO JUST EAST OF CONNEAUTVILLE. THESE STORMS WERE MOVING SOUTHEAST AROUND 10 MPH. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS. SOME STREET FLOODING IS LIKELY WHERE THE STORMS PERSIST. OTHER THUNDERSTORMS HAD DEVELOPED IN THE CLEVELAND AREA. A BAND OF THUNDERSTORMS WITH HEAVY RAIN EXTENDED FROM JUST EAST OF ELYRIA IN LORAIN COUNTY...EAST ACROSS SOUTHERN CUYAHOGA COUNTY TO NEAR BEDFORD. THESE STORMS WERE DRIFTING SOUTHEAST AND WILL ALSO PRODUCE LOCALLY HEAVY DOWNPOURS AND SOME STREET FLOODING. GABRIC
Special weather statement, Aug 27, 5:20 PM EDT, 17 minutes before
OHZ020>023-031>033-PAZ001>003-272230- SPECIAL WEATHER STATEMENT AND FLOOD STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 520 PM EDT SAT AUG 27 1994 A URBAN AND SMALL STREAM FLOOD WARNING IS IN EFFECT FOR WAYNE COUNTY UNTIL 6 PM EDT. AT 520 PM EDT DOPPLER RADAR IN CLEVELAND SHOWED SCATTERED STRONG THUNDERSTORMS OVER NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. SOME OF THE STRONGEST THUNDERSTORMS WERE OVER TRUMBULL COUNTY...THE NORTHWEST PORTION AND THE CENTRAL PART OF THE COUNTY NEAR WARREN. OTHER STRONG THUNDERSTORMS WERE OVER CRAWFORD COUNTY PENNSYLVANIA...MAINLY THE SOUTHERN HALF. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MPH. THE THUNDERSTORMS CAN PRODUCE HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADS AND HAIL IS ALSO POSSIBLE WITH THESE THUNDERSTORMS. IF THREATENING WEATHER IS OBSERVED MOVE TO A PLACE OF SAFETY. MONITOR NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR ADDITIONAL INFORMATION. KIELTYKA
Special weather statement, Aug 27, 5:22 PM EDT, 15 minutes before
OHZ020>023-031>033-PAZ001>003-272230- SPECIAL WEATHER STATEMENT AND FLOOD STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 520 PM EDT SAT AUG 27 1994 A URBAN AND SMALL STREAM FLOOD WARNING IS IN EFFECT FOR WAYNE COUNTY UNTIL 6 PM EDT. AT 520 PM EDT DOPPLER RADAR IN CLEVELAND SHOWED SCATTERED STRONG THUNDERSTORMS OVER NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. SOME OF THE STRONGEST THUNDERSTORMS WERE OVER TRUMBULL COUNTY...THE NORTHWEST PORTION AND THE CENTRAL PART OF THE COUNTY NEAR WARREN. OTHER STRONG THUNDERSTORMS WERE OVER CRAWFORD COUNTY PENNSYLVANIA...MAINLY THE SOUTHERN HALF. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MPH. THE THUNDERSTORMS CAN PRODUCE HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADS AND HAIL IS ALSO POSSIBLE WITH THESE THUNDERSTORMS. IF THREATENING WEATHER IS OBSERVED MOVE TO A PLACE OF SAFETY. MONITOR NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR ADDITIONAL INFORMATION. KIELTYKA
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 3:15 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 60 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.