Alert archive / Ohio / Tornado Watches in 2001
Tornado Watch 801
The Storm Prediction Center issued this tornado watch at Oct 24, 2001, 5:45 PM EST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 24, 2001, 5:45 PM EST (22:45 UTC)
- Expired
- Oct 24, 2001, 11:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 104 counties
Adams County, IN, Bartholomew County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Henry County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Pendleton County, KY, Robertson County, KY, Trimble County, KY, Lenawee County, MI, Monroe County, MI, Adams County, OH, Allen County, OH, Ashland County, OH, Ashtabula County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Geauga County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Scioto County, OH, Seneca County, OH, Shelby County, OH, Summit County, OH, Union County, OH, Van Wert County, OH, Vinton County, OH, Warren County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 60 km from the middle of the area, began a volume at 22:46 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Warnings issued inside it
63 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 5:45 PM EST | Severe Thunderstorm Warning | LMK | Washington | 35 min |
| Oct 24, 5:48 PM EST | Severe Thunderstorm Warning | DTX | Lenawee | 57 min |
| Oct 24, 5:50 PM EST | Severe Thunderstorm Warning | IWX | Defiance, Paulding | 60 min |
| Oct 24, 5:56 PM EST | Severe Thunderstorm Warning | IND | Decatur, Jennings | 34 min |
| Oct 24, 6:02 PM EST | Severe Thunderstorm Warning | IND | Henry, Randolph | 28 min |
| Oct 24, 6:04 PM EST | Severe Thunderstorm Warning | IWX | Henry, Putnam | 56 min |
| Oct 24, 6:04 PM EST | Severe Thunderstorm Warning | IWX | Fulton | 56 min |
| Oct 24, 6:07 PM EST | Severe Thunderstorm Warning | ILN | Wayne | 38 min |
| Oct 24, 6:07 PM EST | Severe Thunderstorm Warning | LMK | Clark, Floyd, Scott | 28 min |
| Oct 24, 6:14 PM EST | Severe Thunderstorm Warning | ILN | Mercer | 46 min |
| Oct 24, 6:18 PM EST | Severe Thunderstorm Warning | ILN | Franklin, Ripley | 57 min |
| Oct 24, 6:18 PM EST | Severe Thunderstorm Warning | ILN | Fayette, Union | 57 min |
| Oct 24, 6:22 PM EST | Severe Thunderstorm Warning | LMK | Jefferson | 38 min |
| Oct 24, 6:23 PM EST | Severe Thunderstorm Warning | IWX | Allen | 67 min |
| Oct 24, 6:36 PM EST | Severe Thunderstorm Warning | LMK | Oldham, Trimble | 34 min |
| Oct 24, 6:38 PM EST | Severe Thunderstorm Warning | ILN | Darke | 67 min |
| Oct 24, 6:39 PM EST | Tornado Warning | IWX | Paulding, Putnam | 41 min |
| Oct 24, 6:42 PM EST | Tornado Warning | ILN | Darke | 33 min |
| Oct 24, 6:45 PM EST | Severe Thunderstorm Warning | DTX | Monroe | 45 min |
| Oct 24, 6:54 PM EST | Severe Thunderstorm Warning | ILN | Dearborn, Ohio | 36 min |
| Oct 24, 6:56 PM EST | Severe Thunderstorm Warning | ILN | Butler, Preble | 49 min |
| Oct 24, 7:02 PM EST | Severe Thunderstorm Warning | ILN | Switzerland | 58 min |
| Oct 24, 7:02 PM EST | Severe Thunderstorm Warning | ILN | Campbell, Kenton | 58 min |
| Oct 24, 7:04 PM EST | Severe Thunderstorm Warning | ILN | Shelby | 41 min |
| Oct 24, 7:11 PM EST | Severe Thunderstorm Warning | ILN | Miami, Montgomery | 49 min |
| Oct 24, 7:13 PM EST | Severe Thunderstorm Warning | CLE | Hancock, Wood | 62 min |
| Oct 24, 7:16 PM EST | Severe Thunderstorm Warning | ILN | Gallatin, Grant | 44 min |
| Oct 24, 7:22 PM EST | Severe Thunderstorm Warning | CLE | Lucas | 38 min |
| Oct 24, 7:23 PM EST | Severe Thunderstorm Warning | ILN | Warren | 52 min |
| Oct 24, 7:28 PM EST | Severe Thunderstorm Warning | ILN | Clermont | 47 min |
| Oct 24, 7:30 PM EST | Severe Thunderstorm Warning | ILN | Logan | 45 min |
| Oct 24, 7:31 PM EST | Severe Thunderstorm Warning | ILN | Pendleton | 44 min |
| Oct 24, 7:36 PM EST | Severe Thunderstorm Warning | ILN | Clark, Greene | 39 min |
| Oct 24, 7:36 PM EST | Severe Thunderstorm Warning | ILN | Champaign | 39 min |
| Oct 24, 7:41 PM EST | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky | 64 min |
| Oct 24, 7:41 PM EST | Severe Thunderstorm Warning | CLE | Seneca | 64 min |
| Oct 24, 7:43 PM EST | Severe Thunderstorm Warning | ILN | Brown, Clinton, Highland | 47 min |
| Oct 24, 7:55 PM EST | Severe Thunderstorm Warning | ILN | Bracken, Robertson | 50 min |
| Oct 24, 8:02 PM EST | Severe Thunderstorm Warning | ILN | Fayette | 43 min |
| Oct 24, 8:04 PM EST | Severe Thunderstorm Warning | ILN | Madison, Union | 41 min |
| Oct 24, 8:10 PM EST | Severe Thunderstorm Warning | CLE | Marion | 50 min |
| Oct 24, 8:12 PM EST | Severe Thunderstorm Warning | ILN | Mason | 33 min |
| Oct 24, 8:15 PM EST | Severe Thunderstorm Warning | ILN | Pickaway, Ross | 45 min |
| Oct 24, 8:18 PM EST | Severe Thunderstorm Warning | ILN | Franklin | 57 min |
| Oct 24, 8:22 PM EST | Severe Thunderstorm Warning | ILN | Delaware | 38 min |
| Oct 24, 8:33 PM EST | Severe Thunderstorm Warning | ILN | Lewis | 57 min |
| Oct 24, 8:36 PM EST | Severe Thunderstorm Warning | CLE | Erie | 39 min |
| Oct 24, 8:38 PM EST | Severe Thunderstorm Warning | CLE | Huron | 52 min |
| Oct 24, 8:51 PM EST | Tornado Warning | CLE | Ashtabula, Geauga | 39 min |
| Oct 24, 8:55 PM EST | Severe Thunderstorm Warning | ILN | Fairfield, Licking | 50 min |
| Oct 24, 8:59 PM EST | Severe Thunderstorm Warning | ILN | Pike, Scioto | 46 min |
| Oct 24, 9:01 PM EST | Severe Thunderstorm Warning | ILN | Ross | 29 min |
| Oct 24, 9:03 PM EST | Severe Thunderstorm Warning | CLE | Knox | 42 min |
| Oct 24, 9:04 PM EST | Severe Thunderstorm Warning | ILN | Hocking | 41 min |
| Oct 24, 9:14 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton, Muskingum | 61 min |
| Oct 24, 9:22 PM EST | Severe Thunderstorm Warning | CLE | Ashland | 23 min |
| Oct 24, 9:28 PM EST | Severe Thunderstorm Warning | CLE | Ashtabula | 47 min |
| Oct 24, 9:35 PM EST | Severe Thunderstorm Warning | CLE | Holmes, Wayne | 40 min |
| Oct 24, 9:41 PM EST | Severe Thunderstorm Warning | CLE | Medina | 49 min |
| Oct 24, 10:02 PM EST | Severe Thunderstorm Warning | CLE | Cuyahoga | 43 min |
| Oct 24, 10:05 PM EST | Severe Thunderstorm Warning | CLE | Stark, Summit | 25 min |
| Oct 24, 10:29 PM EST | Severe Thunderstorm Warning | CLE | Geauga, Portage | 46 min |
| Oct 24, 10:57 PM EST | Severe Thunderstorm Warning | CLE | Ashtabula, Mahoning, Trumbull | 48 min |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.8 hours before the alert went out and 61 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 297 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
358 WWUS9 KMKC 242231 SEL1 SEL1 MKC WW 242223 INZ000-KYZ000-OHZ000-LEZ000-250400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 801 STORM PREDICTION CENTER NORMAN OK 623 PM EDT WED OCT 24 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF EASTERN INDIANA NORTHERN KENTUCKY WESTERN...CENTRAL AND NORTHERN OHIO LAKE ERIE EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 645 PM UNTIL MIDNIGHT EDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DAMAGING TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH SOUTHWEST OF CINCINNATI OHIO TO 50 MILES NORTHWEST OF CLEVELAND OHIO. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 797. WATCH NUMBER 797 WILL NOT BE IN EFFECT AFTER 645 PM EDT. CONTINUE...WW 798...WW 799...WW 800... DISCUSSION...SUPERCELLS EXPECTED TO CONTINUE DEVELOPING IN VERY HIGH SHEAR ENVIRONMENT AHEAD OF STRONG SHORTWAVE TROUGH EJECTING NEWD ACROSS THE MID MS/LWR OH VLYS. MAIN CONVECTIVE MODE EXPECTED TO BE A SQUALL LINE WITH NUMEROUS EMBEDDED SUPERCELLS. STRENGTH OF DEEP SHEAR /ON THE ORDER OF 70 KTS/ SUGGESTS CONTINUING THREAT FOR A COUPLE STRONG TORNADOES IN ADDITION TO DAMAGING BOW WINDS/HAIL. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23050. ...CORFIDI 415,0804 382,0825 382,0863 415,0842
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 11:45 AM EST | Tornado Watch | SPC | Adams, Allen, Bartholomew, Benton, Blackford, Boone and 75 more | 7 hr |
| Oct 24, 6:00 PM EST | Tornado Watch | SPC | Clark, Crawford, Floyd, Harrison, Perry | 5 hr |
| Oct 24, 1:45 PM EST | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Crittenden, Fulton and 11 more | 5 hr |
| Oct 24, 3:15 PM EST | Tornado Watch | SPC | Allegan, Barry, Bay, Berrien, Branch, Calhoun and 40 more | 6 hr |
Nearby
Tornado Watches in Ohio, 2001Tornado Watches in Indiana, 2001Tornado Watches in Kentucky, 2001Every tornado watch in 2001
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; radar from the NEXRAD Level II archive.