Alert archive / Ohio / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 635
The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2003, 3:05 PM EDT for 53 counties in Ohio; 24 counties in Pennsylvania; Brooke County, Hancock County, Ohio County, West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 4, 2003, 3:05 PM EDT (19:05 UTC)
- Expired
- Jul 4, 2003, 9:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 80 counties
Allen County, OH, Ashland County, OH, Auglaize County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Franklin County, OH, Fulton County, OH, Geauga County, OH, Guernsey County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Henry County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Portage County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Van Wert County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Blair County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clarion County, PA, Clearfield County, PA, Crawford County, PA, Elk County, PA, Forest County, PA, Huntingdon County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV
The radar
The Cleveland radar (KCLE), 42 km from the middle of the area, began a volume at 19:05 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
42 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:07 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Trumbull | 38 min |
| Jul 4, 3:10 PM EDT | Severe Thunderstorm Warning | ILN | Union | 50 min |
| Jul 4, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Jul 4, 3:18 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina | 57 min |
| Jul 4, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Jul 4, 3:27 PM EDT | Severe Thunderstorm Warning | CLE | Summit | 63 min |
| Jul 4, 3:33 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 4, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 56 min |
| Jul 4, 3:42 PM EDT | Severe Thunderstorm Warning | CLE | Wayne | 63 min |
| Jul 4, 3:52 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Knox | 53 min |
| Jul 4, 3:54 PM EDT | Severe Thunderstorm Warning | CLE | Portage | 66 min |
| Jul 4, 4:03 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 57 min |
| Jul 4, 4:10 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Jul 4, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Jul 4, 4:12 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 63 min |
| Jul 4, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 67 min |
| Jul 4, 4:31 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 59 min |
| Jul 4, 4:32 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Trumbull | 58 min |
| Jul 4, 4:32 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jul 4, 4:46 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana | 59 min |
| Jul 4, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 63 min |
| Jul 4, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 61 min |
| Jul 4, 5:17 PM EDT | Severe Thunderstorm Warning | IWX | Paulding | 58 min |
| Jul 4, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 58 min |
| Jul 4, 5:21 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 54 min |
| Jul 4, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 54 min |
| Jul 4, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Jul 4, 6:01 PM EDT | Severe Thunderstorm Warning | IWX | Defiance | 59 min |
| Jul 4, 6:07 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 4, 6:11 PM EDT | Severe Thunderstorm Warning | IWX | Van Wert | 64 min |
| Jul 4, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 4, 6:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jul 4, 6:30 PM EDT | Severe Thunderstorm Warning | IWX | Williams | 60 min |
| Jul 4, 6:31 PM EDT | Severe Thunderstorm Warning | IWX | Williams | 59 min |
| Jul 4, 6:39 PM EDT | Tornado Warning | IWX | Van Wert | 36 min |
| Jul 4, 6:59 PM EDT | Severe Thunderstorm Warning | ILN | Mercer | 46 min |
| Jul 4, 7:12 PM EDT | Tornado Warning | ILN | Mercer | 33 min |
| Jul 4, 7:12 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 4, 7:34 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Shelby | 56 min |
| Jul 4, 8:00 PM EDT | Severe Thunderstorm Warning | ILN | Hardin, Logan | 45 min |
| Jul 4, 8:11 PM EDT | Severe Thunderstorm Warning | ILN | Miami | 64 min |
| Jul 4, 8:26 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark | 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
Detroit, MI (KDTX), launched 12:00Z, 7.1 hours before the alert went out and 225 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
- 849 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:50 AM EDT | Severe Thunderstorm Watch | SPC | Williams | 3 hr |
| Jul 4, 10:28 AM EDT | Mesoscale Discussion | SPC | Ashtabula, Cuyahoga, Defiance, Erie, Fulton, Geauga and 12 more | 2 hr |
| Jul 4, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Cuyahoga, Defiance and 20 more | 5 hr |
| Jul 4, 1:04 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Defiance, Erie and 25 more | 116 min |
| Jul 4, 2:45 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Columbiana, Crawford and 33 more | 60 min |
| Jul 4, 4:29 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Belmont, Carroll, Champaign and 43 more | 2 hr |
| Jul 4, 6:07 PM EDT | Mesoscale Discussion | SPC | Brown, Butler, Clermont, Clinton, Greene, Hamilton and 3 more | 53 min |
| Jul 4, 6:50 PM EDT | Severe Thunderstorm Watch | SPC | Brown, Butler, Champaign, Clark, Clermont, Clinton and 13 more | 5 hr |
| Jul 4, 7:29 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Belmont, Carroll, Champaign and 51 more | 61 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Pennsylvania, 2003Severe Thunderstorm Watches in West Virginia, 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.