Alert archive / Ohio / Flash Flood Warnings in 1991
Flash Flood Warning 1, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Apr 9, 1991, 7:52 PM EDT for Ashtabula County, Ohio. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 9, 1991, 7:52 PM EDT (23:52 UTC)
- Expired
- Apr 9, 1991, 11:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Ashtabula County, OH
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 hours before the alert went out and 174 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
- 91 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 581 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 092356 FFWCLE OHC007-100300- FLOOD WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 752 PM EDT TUE APR 9 1991 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1100 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OHIO ...ASHTABULA COUNTY AT 745 PM WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS OVER NORTHERN GEAUGA AND ASHTABULA COUNTIES. THE LINE WAS MOVING EAST AT 30 MPH AND WILL REMAIN OVER ASHTABULA COUNTY UNTIL 9 PM. THESE STORMS HAVE PRODUCED LARGE HAIL...STRONG WINDS AND HEAVY RAIN. FLOODING ALONG SMALL STREAMS AND IN LOW LYING AREAS OF URBAN STREETS HAS BEEN REPORTED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. SJN
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, Apr 9, 2:29 PM EDT, 5 hours 23 minutes before
OHZALL-091930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 229 PM EDT TUE APR 9 1991 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR MUCH OF WESTERN OHIO UNTIL NINE O'CLOCK THIS EVENING. THE WATCH IS WEST OF A LINE FROM CLEVELAND TO WEST UNION AND INCLUDES CINCINNATI... DAYTON... COLUMBUS... LIMA... TOLEDO... UPPER SANDUSKY... MANSFIELD... SANDUSKY AND CLEVELAND. AT 2:25 THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS SCATTERED OVER NORTHWEST OHIO WITH OTHER STORMS DEVELOPING OVER SOUTHEASTERN INDIANA. THESE STORMS WERE MOVING NORTHEAST AT 30 MPH. PEOPLE IN THE WESTERN HALF OF OHIO SHOULD KEEP ABREAST OF THE WEATHER CONDITIONS THIS AFTERNOON AND BE PREPARED TO MOVE TO SAFETY IN A MOMENTS NOTICE. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATIONS FOR MORE INFORMATION ON THIS DEVELOPING WEATHER SITUATION. ECKERT
Special weather statement, Apr 9, 5:11 PM EDT, 2 hours 41 minutes before
OHZ006-011-092300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 510 PM EDT TUE APR 9 1991 ...A TORNADO WATCH IS IN EFFECT UNTIL 9M EDT... AT 505 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS OVER MORROW AND KNOX COUNTIES...EXTENDING SOUTH ACROSS COLUMBUS. THEY WERE MOVING EASTNORTHEAST AT 40 MPH. ALTHOUGH THE HEAVIEST ACTIVITY APPEARED TO BE OVER THE COLUMBUS AREA AND SOUTH OF COLUMBUS A THUNDERSTORM OVER CENTERBURG IN THE SOUTHWEST PART OF KNOX COUNTY PRODUCED 1/4 (QUARTER) INCH HAIL AT 5 PM EDT. PEOPLE IN THE WATCH AREA SHOULD KEEP ABREAST OF THE WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATEbNING WEATHER APPROACHES. BANYAS
Special weather statement, Apr 9, 6:04 PM EDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 604 PM EDT TUE APR 9 1991 TORNADO WATCH NUMBER 107 HAS BEEN CANCELLED FOR PART OF OHIO. THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... ...NORTHWEST... DEFIANCE FULTON HANCOCK HENRY LUCAS PAULDING PUTNAM WILLIAMS WOOD ...WEST CENTRAL... ALLEN AUGLAIZE HARDIN LOGAN MERCER SHELBY VAN WERT ECKERT
Special weather statement, Apr 9, 7:09 PM EDT, 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 709 PM EDT TUE APR 9 1991 TORNADO WATCH NUMBER 107 HAS BEEN CANCELLED FOR SOUTHWEST OHIO. THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... ...MIAMI VALLEY... CHAMPAIGN CLARK DARKE GREENE MIAMI MONTGOMERY PREBLE ...SOUTHWEST... ADAMS BROWN BUTLER CLERMONT CLINTON HAMILTON HIGHLAND B WARREN ECKERT
Special weather statement, Apr 9, 7:47 PM EDT, 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 744 PM EDT TUE APR 9 1991 TORNADO WATCH NUMBER 110 HAS BEEN CANCELLED FOR SOUTHERN OHIO. THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... ...SOUTH CENTRAL... ATHENS GALLIA JACKSON LAWRENCE MEIGS PIKE SCIOTO VINTON ECKERT
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Wayne | 61 min |
| Apr 9, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Coshocton | 61 min |
| Apr 9, 5:59 PM EDT | Severe Thunderstorm Warning | CLE | Carroll, Harrison, Tuscarawas | 61 min |
| Apr 9, 6:11 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 64 min |
| Apr 9, 6:14 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 61 min |
| Apr 9, 6:24 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 66 min |
| Apr 9, 6:58 PM EDT | Severe Thunderstorm Warning | CLE | Carroll, Harrison, Jefferson, Tuscarawas | 62 min |
| Apr 9, 6:58 PM EDT | Severe Thunderstorm Warning | CLE | Belmont | 62 min |
| Apr 9, 7:08 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 52 min |
| Apr 9, 7:34 PM EDT | Severe Thunderstorm Warning | CLE | Columbiana | 41 min |
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.