Alert archive / Ohio / Flash Flood Warnings in 1991

Flash Flood Warning 15, NWS Cleveland, OH

August 19, 1991Ottawa County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 19, 1991, 7:51 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, 7:51 PM EDT (23:51 UTC)
Expired: Aug 19, 1991, 10:00 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, 11.9 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 192353
FFWTOL
OHC123-200200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
751 PM EDT MON AUG 19 1991
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1000 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTH CENTRAL OHIO
 
   ...OTTAWA COUNTY
 
AT 750 PM WEATHER RADAR INDICATED A THUNDERSTORM WITH TORRENTIAL RAINS
CONTINUING OVER EASTERN OTTAWA COUNTY EAST OF PORT CLINTON. THE OTTAWA
COUNTY SHERIFF REPORTED ABOUT 4 INCHES OF RAIN FELL IN PORT CLINTON
SINCE 4 PM. MANY STREETS AND SMALL STREAMS WERE FLOODED IN PORT
CLINTON. FLOODING WAS ALSO REPORTED IN MARBLEHEAD. THE STORM WAS
NEARLY STATIONARY.
 
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, 3:08 PM EDT, 4 hours 43 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, 3 hours 57 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, 2 hours 55 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

Special weather statement, Aug 19, 5:29 PM EDT, 2 hours 22 minutes before

OHZALL-192230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OHIO
530 PM EDT MON AUG 19 1991

THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL AND SOUTH CENTRAL
OHIO HAS BEEN CANCELLED.

Local storm report, Aug 19, 6:04 PM EDT, 1 hour 47 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE ERIE, PA
555 PM EDT MON AUG 19 1991

STORM REPORTS FOR MONDAY AUGUST 19 1991

TIME  EDT    EVENT
.........................................................................
1700 EDT     NUMEROUS LARGE TREES REPORTED DOWNED ALONG RT 198 AND 86 NW
             OF MEADVILLE IN CRAWFORD COUNTY...STATE POLICE REPORT.

1710 EDT     1 INCH OF RAIN IN 30 MINUTES AT LINESVILLE...WESTERN CRAWFORD
             COUNTY...MINOR URBAN FLOODING...SKYWARN.

1715 EDT     NUMEROUS LIMBS DOWNED IN BEAVER CENTER...NW CRAWFORD COUNTY...
             SKYWARN.

TP

Special weather statement, Aug 19, 6:43 PM EDT, 1 hour 8 minutes before

OHZALL-192345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OHIO
645 PM EDT MON AUG 19 1991

THE FLOOD WARNING FOR ERIE AND HURON COUNTIES HAS BEEN CANCELLED.
A FLOOD WARNING REMAINS IN EFFECT FOR OTTOWA COUNTY UNTIL 730 PM.

AT 625 PM WEATHER SERVICE RADAR SHOWED NEARLY STATIONARY THUNDERSTORMS
OVER SANDUSKY BAY AND PORT CLINTON. LAW ENFORCEMENT OFFICIALS REPORT
PLENTY OF STREET FLOODING AND THAT THE PORTAGE RIVER WAS OUT OF ITS
BANKS IN PORT CLINTON.

OTHER WIDELY SCATTERED THUNDERSTORMS WERE OVER NORTHERN OHIO AND A
LINE OF THUNDERSTORMS WAS ENTERING SOUTHWEST OHIO. THESE CELLS WERE
MOVING EAST AT 30.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA FOR THE
PLATEST INFORMATION AND STATEMENTS.

SJN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 11:58 AM EDT	Severe Thunderstorm Warning	CLE	Holmes	62 min
Aug 19, 4:30 PM EDT	Flash Flood Warning	CLE	Ottawa	60 min
Aug 19, 4:33 PM EDT	Tornado Warning	CLE	Geauga	42 min
Aug 19, 5:12 PM EDT	Flash Flood Warning	CLE	Erie, Huron	2 hr
Aug 19, 5:28 PM EDT	Flash Flood Warning	CLE	Ottawa	2 hr

Nearby

Flash Flood Warnings in Ohio, 1991 Every 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.