Alert archive / Ohio / Flash Flood Warnings in 1991

Flash Flood Warning 14, NWS Cleveland, OH

August 19, 1991Ottawa County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 19, 1991, 5:28 PM EDT for Ottawa County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 1991, 5:28 PM EDT (21:28 UTC)
Expired
Aug 19, 1991, 7:30 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ottawa County, OH

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 9.5 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 1991-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Detroit, MI at 12:00Z on 1991-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
3 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
92 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 KTOL 192131
FFWTOL
OHC123-192330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
528 PM EDT MON AUG 19 1991
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  730 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTH CENTRAL OHIO
 
   ...OTTAWA COUNTY
 
AT 525 PM A THUNDERSTORM WITH VERY HEAVY RAIN CONTINUED OVER OTTAWA
COUNTY NEAR PORT CLINTON. THE THUNDERSTORM WAS NEARLY STATIONARY. THE
OTTAWA COUNTY SHERIFF REPORTED THAT MANY ROADS AND SMALL STREAMS IN
PORT CLINTON WERE 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.
 
CB

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 19, 2:41 PM EDT, 2 hours 47 minutes before
OHZ004-007-192000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
240 PM EDT MON AUG 19 1991

THUNDERSTORMS WERE CONTINUING TO RUMBLE THROUGH EASTERN OHIO
THIS AFTERNOON WITH HEAVY RAINS AND GUSTY WINDS.

AT 235 PM WEATHER RADAR INDICATED THUNDERSTORMS IN A LINE FROM
NEAR YOUNGSTOWN SOUTH TO MARIETTA. THIS LINE WAS MOVING TOWARD
THE EAST AT 25 MPH AND WILL BE OUT OF OHIO BY 4 PM.

HEAVIEST RAINFALL WAS OCCURRING IN BELMONT...MNOBLE...AND MONROE
COUNTIES. GUSTY WINDS AND SMALL HAIL COULD ALSO ACCOMPANY SOME
OF THESE STORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 6 PM FOR PARTS
OF NORTHEAST AND ALL OF EAST CENTRAL AND SOUTHEAST OHIO.

THOMPSON
Special weather statement, Aug 19, 2:47 PM EDT, 2 hours 41 minutes before
OHZALL-182000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
247 PM EDT MON AUG 19 1991

SEVERE THUNDERSTORM WATCH NUMBER 737 HAS BEEN CANCELLED FOR PART
OF OHIO.  THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING
COUNTIES...

...NORTHEAST INLAND...
CARROLL         COLUMBIANA      JEFFERSON       STARK
WAYNE

...CENTRAL...
DELAWARE        FAIRFIELD       FAYETTE         FRANKLIN
HOCKING         KNOX            LICKING         MADISON
PERRY           PICKAWAY        ROSS            UNION

THE WATCH REAMINS IN EFFECT FOR SOUTHEASTERN OHIO UNTIL
600 PM EDT.
JOHNSON
Special weather statement, Aug 19, 2:51 PM EDT, 2 hours 37 minutes before
OHZALL-192000-
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CLEVELAND OH
251 PM EDT MON AUG 19 1991

SEVERE THUNDERSTORM WATCH NUMBER 737 HAS BEEN CANCELLED FOR PART
OF OHIO.  THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING
COUNTIES...

...NORTHEAST INLAND...
CARROLL         COLUMBIANA      JEFFERSON       STARK
WAYNE

...CENTRAL...
DELAWARE        FAIRFIELD       FAYETTE         FRANKLIN
HOCKING         KNOX            LICKING         MADISON
PERRY           PICKAWAY        ROSS            UNION

THE WATCH REAMINS IN EFFECT FOR SOUTHEASTERN OHIO UNTIL
600 PM EDT.
JOHNSON/CORRECTED CODE.
Special weather statement, Aug 19, 3:08 PM EDT, 2 hours 20 minutes before
OHZ004-007-192000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
306 PM EDT MON AUG 19 1991

THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST OHIO HAS BEEN
CANCELLED BUT REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTHEAST
OHIO UNTIL 6PM EDT.

AT 3 PM EDT WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS IN
EXTREME EASTERN OHIO FROM EAST LIVERPOOL TO MARIETTA. THIS LINE
WAS MOVING EAST AT 25 MPH AND WILL BE ACROSS THE OHIO RIVER
BY 4PM.

HEAVY RAINS AND GUSTY WINDS CAN BE EXPECTED WITH THESE STORMS
OVER JEFFERSON...BELMONT...MONROE AND WASHINGTON COUNTIES UNTIL
4PM.

THOMPSON
Special weather statement, Aug 19, 3:54 PM EDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
345 PM EDT MON AUG 19 1991

...STRONG THUNDERSTORMS ARE DEVELOPING IN PARTS OF NORTHWEST PENNSYLVANIA...

AT 340 PM RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS IN WESTERN
PENNSYLVANIA REACHING NORTHWARD INTO CRAWFORD COUNTY.  THE STRONGEST
THUNDERSTORM WERE NEAR MEADVILLE. OTHER THUNDERSTORMS EXTENDED WESTWARD
ACROSS NORTHERN OHIO.

MOVEMENT OF THESE STORMS HAS BEEN ERATIC...BUT GENE'RALLY TOWARDS THE
NORTH NORTHWEST.

SOME OF THESE STORMS WILL PRODUCE DANGEROUS LIGHTNING...STRONG GUSTY WINDS
...SMALL HAIL AND HEAVY DOWNPOURS.

PARRISH
Special weather statement, Aug 19, 4:56 PM EDT, 32 minutes before
OHZ004-007-192200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
455 PM EDT MON AUG 19 1991

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EAST CENTRAL
AND SOUTHEAST OHIO UNTIL 6PM EDT.

AT 450 PM EDT WEATHER RADAR INDICATED SEVERAL THUNDERSTORMS IN
THE OHIO VALLEY FROM MARIETTA TO 30 MILES NORTHEAST OF MARIETTA
NEAR NEW MARTINSVILLE WEST VIRGINIA. THE THUNDERSTORMS WERE
MOVING NORTHEAST AT 25 MPH.

HEAVY RAINS AND GUSTWY WINDS CAN BE EXPECTED WITH THESE STORMS UNTIL
6 PM. LIGHTER RAIN WAS FALLING OVER MUCH OF SOUTHEAST OHIO SOUTH
OF INTERSTATE 70.

NIBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 11:58 AM EDTSevere Thunderstorm WarningCLEHolmes62 min
Aug 19, 4:30 PM EDTFlash Flood WarningCLEOttawa60 min
Aug 19, 4:33 PM EDTTornado WarningCLEGeauga42 min
Aug 19, 5:12 PM EDTFlash Flood WarningCLEErie, Huron2 hr
Aug 19, 7:51 PM EDTFlash Flood WarningCLEOttawa2 hr

Nearby

Flash Flood Warnings in Ohio, 1991Every flash flood warning in 1991

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.