Alert archive / Ohio / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 35, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Apr 9, 1991, 7:34 PM EDT for Columbiana County, Ohio. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 9, 1991, 7:34 PM EDT (23:34 UTC)
- Expired
- Apr 9, 1991, 8:15 PM EDT
- In force
- 41 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Columbiana County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 7:45 PM EDT | Thunderstorm Wind 0 | Columbiana, OH |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 11.6 hours before the alert went out and 70 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 5 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 23 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 30 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, 25 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
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, 7:52 PM EDT | Flash Flood Warning | CLE | Ashtabula | 3 hr |
| Apr 9, 7:29 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 61 min |
| Apr 9, 7:49 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 51 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1991Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.