Alert archive / Ohio / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 674
The Storm Prediction Center issued this severe thunderstorm watch at Jul 7, 2003, 9:55 PM EDT for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2003, 9:55 PM EDT (01:55 UTC)
- Expired
- Jul 8, 2003, 1:00 AM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 89 counties
Boyd County, KY, Carter County, KY, Elliott County, KY, Greenup County, KY, Lewis County, KY, Ashland County, OH, Ashtabula County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Franklin County, OH, Gallia County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Lawrence County, OH, Licking County, OH, Lorain County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Ottawa County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Scioto County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Wyandot County, OH, Beaver County, PA, Lawrence County, PA, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Marshall County, WV, Mason County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 142 km from the middle of the area, began a volume at 01:55 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 10:12 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Summit | 63 min |
| Jul 7, 10:47 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 58 min |
| Jul 7, 10:49 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 56 min |
| Jul 7, 11:03 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 42 min |
| Jul 7, 11:11 PM EDT | Severe Thunderstorm Warning | CLE | Summit | 49 min |
| Jul 7, 11:20 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 55 min |
| Jul 7, 11:36 PM EDT | Severe Thunderstorm Warning | RLX | Washington | 24 min |
| Jul 7, 11:41 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 64 min |
| Jul 7, 11:56 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Summit | 49 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 00:00Z, 1.9 hours before the alert went out and 140 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
- 2731 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1167 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 11.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 12:57 AM EDT | Mesoscale Discussion | SPC | Boyd, Carter, Greenup | 63 min |
| Jul 8, 1:25 PM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyd, Boyle and 61 more | 95 min |
| Jul 8, 2:25 PM EDT | Severe Thunderstorm Watch | SPC | Boone, Bracken, Campbell, Carroll, Carter, Fleming and 17 more | 6 hr |
| Jul 8, 3:02 PM EDT | Mesoscale Discussion | SPC | Boyd | 28 min |
| Jul 8, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Boyd | 5 hr |
| Jul 8, 4:02 PM EDT | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Carroll, Carter, Fleming and 18 more | 88 min |
| Jul 8, 5:05 PM EDT | Mesoscale Discussion | SPC | Boyd | 115 min |
| Jul 8, 6:38 PM EDT | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Carroll, Fleming, Gallatin and 13 more | 37 min |
| Jul 8, 7:40 PM EDT | Severe Thunderstorm Watch | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 9 more | 5 hr |
| Jul 7, 9:30 PM EDT | Mesoscale Discussion | SPC | Adams, Ashland, Athens, Carroll, Coshocton, Crawford and 36 more | 60 min |
| Jul 7, 10:13 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Clark, Darke, Defiance and 13 more | 62 min |
| Jul 8, 12:00 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Champaign, Clark, Darke, Defiance and 18 more | 5 hr |
| Jul 8, 12:50 AM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Champaign, Clark, Darke, Defiance and 18 more | 85 min |
| Jul 8, 2:57 AM EDT | Mesoscale Discussion | SPC | Ashland, Athens, Belmont, Carroll, Champaign, Clark and 44 more | 63 min |
| Jul 8, 3:20 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Champaign, Clark and 51 more | 6 hr |
| Jul 8, 6:06 AM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more | 114 min |
| Jul 8, 11:05 AM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Darke, Defiance, Fulton, Hancock and 9 more | 25 min |
| Jul 8, 11:25 AM EDT | Severe Thunderstorm Watch | SPC | Allen, Crawford, Defiance, Fulton, Hancock, Henry and 10 more | 6 hr |
| Jul 8, 1:04 PM EDT | Mesoscale Discussion | SPC | Allen, Crawford, Defiance, Fulton, Hancock, Hardin and 11 more | 56 min |
| Jul 8, 3:30 PM EDT | Mesoscale Discussion | SPC | Allen, Crawford, Defiance, Fulton, Hancock, Henry and 9 more | 30 min |
| Jul 8, 4:20 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Crawford, Defiance, Fulton, Hancock, Henry and 10 more | 4 hr |
| Jul 8, 7:29 AM EDT | Mesoscale Discussion | SPC | Armstrong, Fayette, Indiana, Somerset, Westmoreland | 61 min |
| Jul 7, 8:25 PM EDT | Severe Thunderstorm Watch | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 7 more | 5 hr |
| Jul 7, 10:32 PM EDT | Mesoscale Discussion | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 6 more | 58 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in West Virginia, 2003Severe Thunderstorm Watches in Kentucky, 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.