Alert archive / Ohio / Flash Flood Warnings in 1994

Flash Flood Warning 35, NWS Cleveland, OH

July 7, 1994Portage County, Summit County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 7, 1994, 9:07 PM EDT for Portage County, Summit County, Ohio. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 9:07 PM EDT (01:07 UTC)
Expired
Jul 8, 1994, 3:15 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Portage County, OH, Summit County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.1 hours before the alert went out and 134 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 1994-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1409 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1994-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1409 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1220 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCAK 080108
FFWCAK
OHC133-153-081000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AKRON OH
907 PM EDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS EXTENDED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...S...
 
IN NORTHEAST OHIO
 
   ...PORTAGE COUNTY...SUMMIT COUNTY
 
 
SERIOUS FLOODING WAS STILL OCCURRING IN SUMMIT AND PORTAGE COUNTIES.
 
AT 850 PM THE SUMMIT COUNTY SHERIFF REPORTED CARS WERE UNDER WATER
BETWEEN WATERLOO AND SWARTZ IN COVENTRY TOWNSHIP. WATERLOO AND MAIN
STREETS WERE ALSO FLOODED.
 
IN PORTAGE COUNTY RT. 303 BETWEEN HUNDSON AND STREETSBORO WERE UNDER
WATER.
 
FROST ROAD EAST OF RT. 43 WAS ALSO FLOODED.
 
 
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.
 
 
 
RLB

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, Jul 7, 6:00 PM EDT, 3 hours 7 minutes before
PAZ001>006-008>011-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
600 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

AT 600 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS CONTINUING OVER
PORTIONS OF NORTHWEST PENNSYLVANIA.

WEATHER RADAR FROM ERIE AND DOPPLER RADAR FROM BOTH PITTSBURGH AND STATE
COLLEGE SHOWED SLOW MOVING THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH
TO CAUSE FLOODING...LOCATED OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA
FROM NEAR MT JEWETT...SOUTH TO NEAR RIDGWAY AND EAST TO EMPORIUM AND
GALETON.

OTHER SLOW MOVING THUNDERSTORMS WERE LOCATED OVER WESTERN WARREN COUNTY.
IN THE VICINITY OF YOUNGSVILLE AND TIDIOUTE.

ANOTHER LARGE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING THROUGH
NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD COUNTIES OF
PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST-SOUTHEAST AT 10 TO
15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW
Special weather statement, Jul 7, 6:09 PM EDT, 2 hours 58 minutes before
PAZ001>006-008>011-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
600 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

AT 600 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS CONTINUING OVER
PORTIONS OF NORTHWEST PENNSYLVANIA.

WEATHER RADAR FROM ERIE AND DOPPLER RADAR FROM BOTH PITTSBURGH AND STATE
COLLEGE SHOWED SLOW MOVING THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH
TO CAUSE FLOODING...LOCATED OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA
FROM NEAR MT JEWETT...SOUTH TO NEAR RIDGWAY AND EAST TO EMPORIUM AND
GALETON.

OTHER SLOW MOVING THUNDERSTORMS WERE LOCATED OVER WESTERN WARREN COUNTY.
IN THE VICINITY OF YOUNGSVILLE AND TIDIOUTE.

ANOTHER LARGE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING THROUGH
NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD COUNTIES OF
PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST-SOUTHEAST AT 10 TO
15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW
Special weather statement, Jul 7, 7:00 PM EDT, 2 hours 7 minutes before
PAZ001>006-008>011-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
700 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

...SLOW MOVING THUNDERSTORMS CONTINUE TO PRODUCE LOCALLY HEAVY RAIN
   ACROSS PARTS OF NORTHWEST PENNSYLVANIA...

NATIONAL WEATHER SERVICE WEATHER SERVICE RADAR FROM ERIE SHOWED SLOW
THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH TO CAUSE FLOODING...LOCATED
OVER THE PORTION OF NORTHWEST PENNSYLVANIA...EASTWARD INTO THE NORTHERN
MOUNTAINS OF THE STATE.

THE THUNDERSTORMS WERE LOCATED FROM NEAR YOUNGSVILLE...EAST THROUGH
WARREN AND CLARENDON IN WARREN COUNTY.  OTHER THUNDERSTORMS WERE
OCCURRING OVER FOREST COUNTY NEAR THE TOWN OF MARIENVILLE...AND ALSO
OVER MCKEAN COUNTY IN THE VICINITY OF LUDLOW...KANE AND BRADFORD.

ANOTHER LARGE AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS WAS MOVING
THROUGH NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD
COUNTIES OF PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST AT 10 TO 15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW
Special weather statement, Jul 7, 7:05 PM EDT, 2 hours 2 minutes before
PAZ001>006-008>011-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
700 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

...SLOW MOVING THUNDERSTORMS CONTINUE TO PRODUCE LOCALLY HEAVY RAIN
   ACROSS PARTS OF NORTHWEST PENNSYLVANIA...

NATIONAL WEATHER SERVICE WEATHER SERVICE RADAR FROM ERIE SHOWED SLOW
THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH TO CAUSE FLOODING...LOCATED
OVER THE PORTION OF NORTHWEST PENNSYLVANIA...EASTWARD INTO THE NORTHERN
MOUNTAINS OF THE STATE.

THE THUNDERSTORMS WERE LOCATED FROM NEAR YOUNGSVILLE...EAST THROUGH
WARREN AND CLARENDON IN WARREN COUNTY.  OTHER THUNDERSTORMS WERE
OCCURRING OVER FOREST COUNTY NEAR THE TOWN OF MARIENVILLE...AND ALSO
OVER MCKEAN COUNTY IN THE VICINITY OF LUDLOW...KANE AND BRADFORD.

ANOTHER LARGE AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS WAS MOVING
THROUGH NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD
COUNTIES OF PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST AT 10 TO 15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AN&D STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW
Special weather statement, Jul 7, 7:10 PM EDT, 1 hour 57 minutes before
PAZ001>006-008>011-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
710 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

...SLOW MOVING THUNDERSTORMS CONTINUE TO PRODUCE LOCALLY HEAVY RAIN
   ACROSS PARTS OF NORTHWEST PENNSYLVANIA...

NATIONAL WEATHER SERVICE WEATHER SERVICE RADAR FROM ERIE SHOWED SLOW
THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH TO CAUSE FLOODING...LOCATED
OVER PORTIONS OF NORTHWEST PENNSYLVANIA...EASTWARD INTO THE NORTHERN
MOUNTAINS OF THE STATE.

THE THUNDERSTORMS WERE LOCATED FROM NEAR YOUNGSVILLE...EAST THROUGH
WARREN AND CLARENDON IN WARREN COUNTY.  OTHER THUNDERSTORMS WERE
OCCURRING OVER FOREST COUNTY NEAR THE TOWN OF MARIENVILLE...AND ALSO
OVER MCKEAN COUNTY IN THE VICINITY OF LUDLOW...KANE AND BRADFORD.

ANOTHER LARGE AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS WAS MOVING
THROUGH NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD
COUNTIES OF PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST AT 10 TO 15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.
FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE DEPTH OF
THE WATER MAY BE TOO GREAT TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW
Special weather statement, Jul 7, 7:14 PM EDT, 1 hour 53 minutes before
PAZ001>006-008>011-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
710 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

...SLOW MOVING THUNDERSTORMS CONTINUE TO PRODUCE LOCALLY HEAVY RAIN
   ACROSS PARTS OF NORTHWEST PENNSYLVANIA...

NATIONAL WEATHER SERVICE WEATHER SERVICE RADAR FROM ERIE SHOWED SLOW
THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH TO CAUSE FLOODING...LOCATED
OVER PORTIONS OF NORTHWEST PENNSYLVANIA...EASTWARD INTO THE NORTHERN
MOUNTAINS OF THE STATE.

THE THUNDERSTORMS WERE LOCATED FROM NEAR YOUNGSVILLE...EAST THROUGH
WARREN AND CLARENDON IN WARREN COUNTY.  OTHER THUNDERSTORMS WERE
OCCURRING OVER FOREST COUNTY NEAR THE TOWN OF MARIENVILLE...AND ALSO
OVER MCKEAN COUNTY IN THE VICINITY OF LUDLOW...KANE AND BRADFORD.

ANOTHER LARGE AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS WAS MOVING
THROUGH NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD
COUNTIES OF PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST AT 10 TO 15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.
FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE DEPTH OF6
THE WATER MAY BE TOO GREAT TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 10:09 PM EDTSevere Thunderstorm WarningCLELucas36 min
Jul 7, 10:59 PM EDTSevere Thunderstorm WarningCLETrumbull61 min
Jul 7, 11:06 PM EDTSevere Thunderstorm WarningCLEGeauga54 min
Jul 7, 11:14 PM EDTSevere Thunderstorm WarningCLEMahoning46 min

Nearby

Flash Flood Warnings in Ohio, 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.