Alert archive / Ohio / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 234
The Storm Prediction Center issued this severe thunderstorm watch at May 21, 2004, 12:05 PM EST for 13 counties in Indiana; Branch County, Hillsdale County, Saint Joseph County, Michigan; 38 counties in Ohio. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 21, 2004, 12:05 PM EST (17:05 UTC)
- Expired
- May 21, 2004, 4:00 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Adams County, IN, Allen County, IN, Blackford County, IN, DeKalb County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, LaGrange County, IN, Noble County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, Whitley County, IN, Branch County, MI, Hillsdale County, MI, Saint Joseph County, MI, Allen County, OH, Ashland County, OH, Auglaize County, OH, Champaign County, OH, Coshocton County, OH, Crawford County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Morrow County, OH, Muskingum County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Northern Indiana radar (KIWX), 125 km from the middle of the area, began a volume at 17:06 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
41 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 12:05 PM EST | Severe Thunderstorm Warning | IWX | Noble, Whitley | 55 min |
| May 21, 12:19 PM EST | Severe Thunderstorm Warning | IWX | Steuben | 56 min |
| May 21, 12:21 PM EST | Severe Thunderstorm Warning | IWX | LaGrange | 54 min |
| May 21, 12:28 PM EST | Severe Thunderstorm Warning | IWX | DeKalb | 77 min |
| May 21, 12:38 PM EST | Severe Thunderstorm Warning | IWX | Williams | 52 min |
| May 21, 12:47 PM EST | Severe Thunderstorm Warning | IWX | Allen | 73 min |
| May 21, 12:54 PM EST | Severe Thunderstorm Warning | IWX | Defiance, Fulton | 66 min |
| May 21, 1:02 PM EST | Severe Thunderstorm Warning | CLE | Lucas | 58 min |
| May 21, 1:15 PM EST | Severe Thunderstorm Warning | IWX | Henry | 75 min |
| May 21, 1:17 PM EST | Severe Thunderstorm Warning | IWX | Paulding | 73 min |
| May 21, 1:26 PM EST | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky, Wood | 79 min |
| May 21, 1:55 PM EST | Severe Thunderstorm Warning | CLE | Hancock, Seneca | 65 min |
| May 21, 1:57 PM EST | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 78 min |
| May 21, 2:07 PM EST | Severe Thunderstorm Warning | CLE | Erie | 53 min |
| May 21, 2:14 PM EST | Severe Thunderstorm Warning | IWX | Adams | 61 min |
| May 21, 2:16 PM EST | Severe Thunderstorm Warning | CLE | Wyandot | 59 min |
| May 21, 2:22 PM EST | Severe Thunderstorm Warning | CLE | Crawford, Huron | 53 min |
| May 21, 2:25 PM EST | Flash Flood Warning | CLE | Hancock | 3 hr |
| May 21, 2:28 PM EST | Severe Thunderstorm Warning | CLE | Lorain | 62 min |
| May 21, 2:37 PM EST | Severe Thunderstorm Warning | ILN | Hardin | 38 min |
| May 21, 2:40 PM EST | Severe Thunderstorm Warning | ILN | Auglaize | 50 min |
| May 21, 2:43 PM EST | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina | 62 min |
| May 21, 2:44 PM EST | Severe Thunderstorm Warning | CLE | Marion | 61 min |
| May 21, 2:46 PM EST | Severe Thunderstorm Warning | CLE | Morrow, Richland | 59 min |
| May 21, 2:52 PM EST | Flash Flood Warning | CLE | Wyandot | 3 hr |
| May 21, 2:59 PM EST | Severe Thunderstorm Warning | CLE | Ashland | 61 min |
| May 21, 3:03 PM EST | Severe Thunderstorm Warning | CLE | Knox | 57 min |
| May 21, 3:04 PM EST | Severe Thunderstorm Warning | ILN | Logan | 41 min |
| May 21, 3:05 PM EST | Flash Flood Warning | CLE | Cuyahoga, Lorain, Medina | 4 hr |
| May 21, 3:06 PM EST | Severe Thunderstorm Warning | CLE | Summit, Wayne | 54 min |
| May 21, 3:07 PM EST | Tornado Warning | CLE | Richland | 38 min |
| May 21, 3:09 PM EST | Severe Thunderstorm Warning | ILN | Shelby | 51 min |
| May 21, 3:11 PM EST | Tornado Warning | CLE | Knox | 64 min |
| May 21, 3:20 PM EST | Severe Thunderstorm Warning | ILN | Delaware, Union | 55 min |
| May 21, 3:23 PM EST | Severe Thunderstorm Warning | CLE | Holmes, Stark | 67 min |
| May 21, 3:38 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton | 67 min |
| May 21, 3:43 PM EST | Flash Flood Warning | CLE | Knox, Marion, Morrow | 4 hr |
| May 21, 3:43 PM EST | Severe Thunderstorm Warning | ILN | Champaign, Logan | 62 min |
| May 21, 3:55 PM EST | Flash Flood Warning | CLE | Richland | 4 hr |
| May 21, 4:00 PM EST | Severe Thunderstorm Warning | IWX | Jay | 45 min |
| May 21, 4:00 PM EST | Severe Thunderstorm Warning | ILN | Licking | 60 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 9:05 PM EST | Severe Thunderstorm Watch | SPC | DeKalb, Elkhart, Fulton, Jasper, Kosciusko, LaGrange and 11 more | 5 hr |
| May 21, 9:40 AM EST | Mesoscale Discussion | SPC | Allen, DeKalb, Elkhart, Kosciusko, LaGrange, Lake and 8 more | 2 hr |
| May 21, 1:19 PM EST | Mesoscale Discussion | SPC | Allen, DeKalb, Fulton, Kosciusko, Marshall, Noble and 2 more | 116 min |
| May 21, 5:35 PM EST | Tornado Watch | SPC | Benton, Jasper, Lake, Newton, Porter | 5 hr |
| May 21, 10:55 AM EST | Severe Thunderstorm Watch | SPC | Barry, Bay, Calhoun, Clinton, Eaton, Genesee and 21 more | 5 hr |
| May 21, 1:40 AM EST | Mesoscale Discussion | SPC | Ashland, Carroll, Columbiana, Coshocton, Crawford, Cuyahoga and 20 more | 65 min |
| May 21, 3:45 AM EST | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Coshocton, Fairfield, Franklin and 12 more | 60 min |
| May 21, 2:15 PM EST | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Cuyahoga, Geauga and 10 more | 6 hr |
| May 21, 3:25 PM EST | Severe Thunderstorm Watch | SPC | Athens, Auglaize, Champaign, Clark, Clinton, Darke and 21 more | 6 hr |
| May 21, 5:35 PM EST | Severe Thunderstorm Watch | SPC | Gallia, Meigs | 4 hr |
Nearby
Severe Thunderstorm Watches in Ohio, 2004Severe Thunderstorm Watches in Indiana, 2004Severe Thunderstorm Watches in Michigan, 2004Every severe thunderstorm watch in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.