Alert archive / Ohio / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 666
The Storm Prediction Center issued this severe thunderstorm watch at Jul 7, 2003, 11:30 AM EST for 7 counties in Indiana; 49 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2003, 11:30 AM EST (16:30 UTC)
- Expired
- Jul 7, 2003, 5:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 56 counties
Fayette County, IN, Henry County, IN, Jay County, IN, Randolph County, IN, Rush County, IN, Union County, IN, Wayne County, IN, Allen County, OH, Ashland County, OH, Auglaize County, OH, Champaign County, OH, Clark County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Franklin County, OH, Geauga County, OH, Greene 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, Madison County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Perry County, OH, Pickaway County, OH, Portage County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Union County, OH, Van Wert County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 113 km from the middle of the area, began a volume at 16:32 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
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:02 PM EST | Flash Flood Warning | ILN | Mercer | 118 min |
| Jul 7, 12:16 PM EST | Severe Thunderstorm Warning | IWX | Henry | 29 min |
| Jul 7, 12:17 PM EST | Severe Thunderstorm Warning | IND | Henry | 43 min |
| Jul 7, 12:25 PM EST | Severe Thunderstorm Warning | CLE | Lucas, Wood | 65 min |
| Jul 7, 12:35 PM EST | Severe Thunderstorm Warning | ILN | Wayne | 40 min |
| Jul 7, 12:44 PM EST | Flash Flood Warning | ILN | Wayne | 2 hr |
| Jul 7, 12:53 PM EST | Severe Thunderstorm Warning | CLE | Hancock | 67 min |
| Jul 7, 1:04 PM EST | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky | 56 min |
| Jul 7, 1:08 PM EST | Severe Thunderstorm Warning | ILN | Auglaize, Mercer | 52 min |
| Jul 7, 1:11 PM EST | Severe Thunderstorm Warning | CLE | Erie, Huron | 49 min |
| Jul 7, 1:15 PM EST | Severe Thunderstorm Warning | ILN | Hardin, Logan, Shelby | 60 min |
| Jul 7, 1:18 PM EST | Severe Thunderstorm Warning | CLE | Seneca | 42 min |
| Jul 7, 1:28 PM EST | Severe Thunderstorm Warning | CLE | Wyandot | 62 min |
| Jul 7, 1:39 PM EST | Severe Thunderstorm Warning | CLE | Portage, Summit | 66 min |
| Jul 7, 1:43 PM EST | Severe Thunderstorm Warning | CLE | Lorain | 47 min |
| Jul 7, 1:51 PM EST | Severe Thunderstorm Warning | CLE | Crawford, Marion | 54 min |
| Jul 7, 1:58 PM EST | Tornado Warning | CLE | Portage | 32 min |
| Jul 7, 2:00 PM EST | Severe Thunderstorm Warning | CLE | Cuyahoga | 45 min |
| Jul 7, 2:05 PM EST | Severe Thunderstorm Warning | CLE | Erie, Huron | 40 min |
| Jul 7, 2:12 PM EST | Severe Thunderstorm Warning | CLE | Morrow, Richland | 63 min |
| Jul 7, 2:27 PM EST | Severe Thunderstorm Warning | CLE | Medina | 48 min |
| Jul 7, 2:29 PM EST | Tornado Warning | CLE | Summit | 61 min |
| Jul 7, 2:32 PM EST | Severe Thunderstorm Warning | CLE | Lorain | 28 min |
| Jul 7, 2:34 PM EST | Severe Thunderstorm Warning | CLE | Ashland | 41 min |
| Jul 7, 2:43 PM EST | Severe Thunderstorm Warning | ILN | Franklin | 47 min |
| Jul 7, 2:47 PM EST | Tornado Warning | CLE | Portage | 43 min |
| Jul 7, 2:48 PM EST | Severe Thunderstorm Warning | ILN | Delaware, Licking | 42 min |
| Jul 7, 2:54 PM EST | Severe Thunderstorm Warning | CLE | Knox | 51 min |
| Jul 7, 2:54 PM EST | Severe Thunderstorm Warning | CLE | Holmes, Wayne | 66 min |
| Jul 7, 2:59 PM EST | Severe Thunderstorm Warning | ILN | Fairfield | 46 min |
| Jul 7, 3:02 PM EST | Severe Thunderstorm Warning | CLE | Stark | 58 min |
| Jul 7, 3:03 PM EST | Severe Thunderstorm Warning | RLX | Perry | 42 min |
| Jul 7, 3:13 PM EST | Severe Thunderstorm Warning | CLE | Medina | 17 min |
| Jul 7, 3:14 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton | 61 min |
| Jul 7, 3:29 PM EST | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Summit | 61 min |
| Jul 7, 3:41 PM EST | Flash Flood Warning | CLE | Mahoning, Portage | 3 hr |
| Jul 7, 3:49 PM EST | Severe Thunderstorm Warning | RLX | Athens, Morgan, Perry | 26 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.5 hours before the alert went out and 112 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
- 41 J/kg
- Mixed-layer CIN
- -219 J/kg
- Mixed-layer LCL
- 1266 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:46 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Carroll, Cass and 32 more | 59 min |
| Jul 6, 11:10 PM EST | Severe Thunderstorm Watch | SPC | Bartholomew, Boone, Brown, Clinton, Dearborn, Decatur and 21 more | 3 hr |
| Jul 6, 11:51 PM EST | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clinton, Dearborn, Decatur and 21 more | 114 min |
| Jul 7, 8:30 AM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 39 more | 60 min |
| Jul 7, 8:45 AM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Benton, Blackford, Carroll, Cass and 29 more | 4 hr |
| Jul 7, 10:14 AM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 45 more | 61 min |
| Jul 7, 12:14 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 42 more | 61 min |
| Jul 7, 4:34 PM EST | Mesoscale Discussion | SPC | Allen, Benton, Blackford, Boone, Carroll, Cass and 44 more | 56 min |
| Jul 7, 5:30 PM EST | Tornado Watch | SPC | Adams, Allen, Blackford, Carroll, Cass, Clinton and 28 more | 6 hr |
| Jul 7, 1:56 PM EST | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Champaign, Clark, Columbiana and 42 more | 94 min |
| Jul 7, 2:10 PM EST | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Columbiana, Guernsey, Harrison and 12 more | 6 hr |
| Jul 7, 5:52 PM EST | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Gallia, Geauga and 15 more | 53 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Indiana, 2003Every severe thunderstorm watch in 2003
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.