Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 42, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 28, 1994, 3:51 PM EDT for Crawford County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 28, 1994, 3:51 PM EDT (19:51 UTC)
- Expired
- Aug 28, 1994, 6:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.9 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
- 653 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 281950 FFWCLE PAC039-282200- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 351 PM EDT SUN AUG 28 1994 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN PENNSYLVANIA ...CRAWFORD COUNTY AT 350 PM NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE SEVERE THUNDERSTORMS ACROSS CRAWFORD COUNTY. RADAR ESTIMATED THAT 1 TO 2 INCHES OF RAIN HAD FALLEN IN THE MEADVILLE AREA AND POINTS SOUTH AND EAST...AND FURTHER RAINFALL WILL CAUSE FLOODING OF STREAMS AND URBAN AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER~ DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. GERARD
What forecasters said that day
The local office's own words before this flash flood 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, 5 hours 49 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, 5 hours 41 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, 5 hours 37 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, 4 hours 46 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, 3 hours 51 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, 3 hours 50 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, 12:53 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 52 min |
| 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 |
Nearby
Flash Flood Warnings in Pennsylvania, 1994Every flash flood 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.