Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 280, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 28, 1994, 12:53 PM EDT for Erie County, Pennsylvania. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Aug 28, 1994, 12:53 PM EDT (16:53 UTC)
- Expired
- Aug 28, 1994, 1:45 PM EDT
- In force
- 52 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Erie County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.9 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
- 498 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 322 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 281652 RRA SVRCLE PAC049-OHZ501-281745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 1253 PM EDT SUN AUG 28 1994 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN PENNSYLVANIA ...ERIE COUNTY AND THE ADJACENT WATERS OF LAKE ERIE AT 1250 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF POSSIBLE SEVERE THUNDERSTORMS JUST OFFSHORE ERIE COUNTY PENNSYLVANIA. THESE STORMS WERE MOVING EAST-SOUTHEAST AT 50 MILES AN HOUR. THESE STORMS HAVE THE POTENTIAL TO PRODUCE WIND GUSTS IN EXCESS OF 60 MILES AN HOUR...ESPECIALLY ALONG THE LAKESHORE FROM THE CITY OF ERIE NORTHEAST. SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS... FREQUENT LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE SYSTEMS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. GERARD
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 28, 10:02 AM EDT, 2 hours 51 minutes before
OHZ009>014-019-020-PAZ001-002-281530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1000 AM EDT SUN AUG 28 1994 THUNDERSTORMS WERE DEVELOPING OVER NORTHERN OHIO THIS MORNING. OTHER THUNDERSTORMS WERE MOVING INTO THE OHIO WATERS OF LAKE ERIE. AT 955 AM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED STRONG THUNDERSTORMS OVER LAKE ERIE 40 MILES NORTH OF FAIRPORT HARBOR MOVING SOUTHEAST AT 40 MILES AN HOUR AND WILL COME ONSHORE IN ASHTABULA COUNTY AND ERIE COUNTY PENNSYLVANIA BY 11 AM. A NEWLY DEVELOPED THUNDERSTORM WAS OVER ERIE COUNTY JUST NORTHEAST OF MILAN. THIS THUNDERSTORM WAS MOVING EAST AT 35 MILES AN HOUR. THIS THUNDERSTORMS WILL MOVE THROUGH LORAIN COUNTY AND ENTEZR WESTERN CUYAHOGA COUNTY BY 11 AM. THESE THUNDERSTORMS CAN PRODUCE STRONG GUSTY WINDS AND HEAVY DOWNPOURS. LW
Special weather statement, Aug 28, 10:10 AM EDT, 2 hours 43 minutes before
OHZ009>014-019-020-PAZ001-002-281530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1010 AM EDT SUN AUG 28 1994 A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST OHIO... NORTHWEST PENNSYLVANIA...AND THE ADJACENT WATERS OF LAKE ERIE UNTIL 500 PM EDT. SOME OF THE CITIES IN THE WATCH AREA ARE ERIE PENNSYLVANIA... AKRON...ASHTABULA...YOUNGSTOWN AND PAINESVILLE. THUNDERSTORMS WERE DEVELOPING OVER NORTHERN OHIO THIS MORNING. OTHER THUNDERSTORMS WERE MOVING INTO THE OHIO WATERS OF LAKE ERIE. AT 955 AM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED STRONG THUNDERSTORMS OVER LAKE ERIE 40 MILES NORTH OF FAIRPORT HARBOR MOVING SOUTHEAST AT 40 MILES AN HOUR AND WILL COME ONSHORE IN ASHTABULA COUNTY AND ERIE COUNTY PENNSYLVANIA BY 11 AM. A NEWLY DEVELOPED THUNDERSTORM WAS OVER ERIE COUNTY JUST NORTHEAST OF MILAN. THIS THUNDERSTORM WAS MOVING EAST AT 35 MILES AN HOUR. THIS THUNDERSTORMS WILL MOVE THROUGH LORAIN COUNTY AND ENTER WESTERN CUYAHOGA COUNTY BY 11 AM. THESE THUNDERSTORMS CAN PRODUCE STRONG GUSTY WINDS...HEAVY DOWNPOURS... HAIL AND DEADLY LIGHTNING. REMEMBER, THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE ADVANCE WARNING. LW
Special weather statement, Aug 28, 10:14 AM EDT, 2 hours 39 minutes before
OHZ009>014-019-020-PAZ001-002-281530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1010 AM EDT SUN AUG 28 1994 A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST OHIO... NORTHWEST PENNSYLVANIA...AND THE ADJACENT WATERS OF LAKE ERIE UNTIL 500 PM EDT. SOME OF THE CITIES IN THE WATCH AREA ARE ERIE PENNSYLVANIA... AKRON...ASHTABULA...YOUNGSTOWN AND PAINESVILLE. THUNDERSTORMS WERE DEVELOPING OVER NORTHERN OHIO THIS MORNING. OTHER THUNDERSTORMS WERE MOVING INTO THE OHIO WATERS OF LAKE ERIE. AT 955 AM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED STRONG THUNDERSTORMS OVER LAKE ERIE 40 MILES NORTH OF FAIRPORT HARBOR MOVING SOUTHEAST AT 40 MILES AN HOUR AND WILL COME ONSHORE IN ASHTABULA COUNTY AND ERIE COUNTY PENNSYLVANIA BY 11 AM. A NEWLY DEVELOPED THUNDERSTORM WAS OVER ERIE COUNTY JUST NORTHEAST OF MILAN. THIS THUNDERSTORM WAS MOVING EAST AT 35 MILES AN HOUR. THIS THUNDERSTORMS WILL MOVE THROUGH LORAIN COUNTY AND ENTER WESTERN CUYAHOGA COUNTY BY 11 AM. THESE THUNDERSTORMS CAN PRODUCE STRONG GUSTY WINDS...HEAVY DOWNPOURS... HAIL AND DEADLY LIGHTNING. REMEMBER, THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE ADVANCE WARNING. LW z
Special weather statement, Aug 28, 11:05 AM EDT, 1 hour 48 minutes before
OHZ009>014-019-020-PAZ001-002-281630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1105 AM EDT SUN AUG 28 1994 A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST OHIO... NORTHWEST PENNSYLVANIA...AND THE ADJACENT WATERS OF LAKE ERIE UNTIL 500 PM EDT. SOME OF THE CITIES IN THE WATCH AREA ARE ERIE PENNSYLVANIA... AKRON...ASHTABULA...YOUNGSTOWN AND PAINESVILLE. AT 1100 AM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THUNDERSTORMS OVER ERIE PENNSYLVANIA AND LAKE ERIE SHOWERS WERE COVERING ERIE AND CRAWFORD COUNTIES IN PENNSYLVANIA. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. OTHER SHOWERS AND POSSIBLE THUNDERSTORMS WERE NORTHWEST OF MANSFIELD AND A LITTLE WEST OF WELLINGTON IN LORAIN COUNTY THESE SHOWERS AND POSSIBLE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. THERE WERE SCATTERED SHOWERS OVER LAKE ERIE AND JUST NORTH OF TOLEDO WHICH WERE MOVING EAST AT 25 MILES AN HOUR. LW
Special weather statement, Aug 28, 12:00 PM EDT, 53 minutes before
OHZ010>014-020-PAZ001-002-281700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1200 PM EDT SUN AUG 28 1994 A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST OHIO... NORTHWEST PENNSYLVANIA...AND THE ADJACENT WATERS OF LAKE ERIE UNTIL 500 PM EDT. SOME OF THE CITIES IN THE WATCH AREA ARE ERIE PENNSYLVANIA... AKRON...ASHTABULA...YOUNGSTOWN AND PAINESVILLE. AT 1150 AM EDT DOPPLER RADAR IN CLEVELAND WAS SHOWING SCATTERED SHOWERS AND FEW THUNDERSTORMS OVER NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. THE STRONGEST THUNDERSTORMS WERE OVER NORTHERN SUMMIT AND NORTHERN GEAUGA COUNTIES IN NORTHEAST OHIO. THEY WERE MOVING EAST AROUND 40 MPH. RADAR WAS ALSO SHOWING STRONG THUNDERSTORMS OVER THE NORTHERN SECTIONS OF LAKE ERIE FROM NORTH OF CLEVELAND TO NORTH OF ERIE PENNSYLVANIA. THEY WERE MOVING EAST AROUND 40 TO 50 MPH. IF THESE THUNDERSTORMS HOLD TOGETHER THEY SHOULD REACH THE OHIO AND PENNSYLVANIA SHORELINE FROM THE CLEVELAND AREA EAST AROUND 1230 PM TO 130 PM. THESE THUNDERSTORMS AND TORNADOES ARE POSSIBLE THIS AFTERNOON IN NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. PEOPLE SHOULD BE ALERT TO THE CHANGING WEATHER CONDITIONS AND BE READY TO MOVE IN DOORS TO A PLACE OF SAFETY IF THREATENING WEATHER IS SIGHTED. WCR
Special weather statement, Aug 28, 12:01 PM EDT, 52 minutes before
OHZ010>014-020-PAZ001-002-281700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1200 PM EDT SUN AUG 28 1994 A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST OHIO... NORTHWEST PENNSYLVANIA...AND THE ADJACENT WATERS OF LAKE ERIE UNTIL 500 PM EDT. SOME OF THE CITIES IN THE WATCH AREA ARE ERIE PENNSYLVANIA... AKRON...ASHTABULA...YOUNGSTOWN AND PAINESVILLE. AT 1150 AM EDT DOPPLER RADAR IN CLEVELAND WAS SHOWING SCATTERED SHOWERS AND FEW THUNDERSTORMS OVER NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. THE STRONGEST THUNDERSTORMS WERE OVER NORTHERN SUMMIT AND NORTHERN GEAUGA COUNTIES IN NORTHEAST OHIO. THEY WERE MOVING EAST AROUND 40 MPH. RADAR WAS ALSO SHOWING STRONG THUNDERSTORMS OVER THE NORTHERN SECTIONS OF LAKE ERIE FROM NORTH OF CLEVELAND TO NORTH OF ERIE PENNSYLVANIA. THEY WERE MOVING EAST AROUND 40 TO 50 MPH. IF THESE THUNDERSTORMS HOLD TOGETHER THEY SHOULD REACH THE OHIO AND PENNSYLVANIA SHORELINE FROM THE CLEVELAND AREA EAST AROUND 1230 PM TO 130 PM. THESE THUNDERSTORMS AND TORNADOES ARE POSSIBLE THIS AFTERNOON IN NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. PEOPLE SHOULD BE ALERT TO THE CHANGING WEATHER CONDITIONS AND BE READY TO MOVE IN DOOR(S TO A PLACE OF SAFETY IF THREATENING WEATHER IS SIGHTED. WCR
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 1:49 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 41 min |
| Aug 28, 3:03 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 57 min |
| Aug 28, 3:25 PM EDT | Tornado Warning | CLE | Crawford | 50 min |
| Aug 28, 3:51 PM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
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.