Alert archive / Ohio / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 863
The Storm Prediction Center issued this severe thunderstorm watch at Aug 16, 2003, 1:00 PM EST for 5 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2003, 1:00 PM EST (18:00 UTC)
- Expired
- Aug 16, 2003, 7:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 112 counties
Allen County, IN, DeKalb County, IN, Elkhart County, IN, LaGrange County, IN, Noble County, IN, Saint Joseph County, IN, Steuben County, IN, Allegan County, MI, Barry County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Gratiot County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lake County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Monroe County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oakland County, MI, Oceana County, MI, Ottawa County, MI, Saginaw County, MI, Saint Joseph County, MI, Shiawassee County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Ashland County, OH, Ashtabula County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Defiance County, OH, Delaware County, OH, Erie 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, Lake County, OH, Licking County, OH, Lorain County, OH, Lucas County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Monroe County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Ottawa County, OH, Paulding County, OH, Portage County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Van Wert County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH, Allegheny County, PA, Beaver County, PA, Crawford County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Washington County, PA, Barbour County, WV, Brooke County, WV, Doddridge County, WV, Hancock County, WV, Harrison County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Taylor County, WV, Tyler County, WV, Wetzel County, WV
The radar
The Detroit radar (KDTX), 68 km from the middle of the area, began a volume at 18:00 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:28 PM EST | Severe Thunderstorm Warning | PBZ | Carroll | 47 min |
| Aug 16, 1:42 PM EST | Severe Thunderstorm Warning | GRR | Eaton | 48 min |
| Aug 16, 2:19 PM EST | Severe Thunderstorm Warning | GRR | Ingham | 41 min |
| Aug 16, 2:29 PM EST | Severe Thunderstorm Warning | GRR | Eaton | 31 min |
| Aug 16, 2:30 PM EST | Severe Thunderstorm Warning | CLE | Ashland | 45 min |
| Aug 16, 2:32 PM EST | Severe Thunderstorm Warning | DTX | Lenawee | 43 min |
| Aug 16, 2:32 PM EST | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 73 min |
| Aug 16, 2:45 PM EST | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 60 min |
| Aug 16, 3:19 PM EST | Severe Thunderstorm Warning | IWX | Hillsdale | 56 min |
| Aug 16, 3:19 PM EST | Severe Thunderstorm Warning | PBZ | Tuscarawas | 56 min |
| Aug 16, 3:50 PM EST | Severe Thunderstorm Warning | PBZ | Beaver, Butler | 55 min |
| Aug 16, 4:32 PM EST | Severe Thunderstorm Warning | PBZ | Muskingum | 28 min |
| Aug 16, 4:37 PM EST | Severe Thunderstorm Warning | CLE | Lorain, Medina | 53 min |
| Aug 16, 5:23 PM EST | Severe Thunderstorm Warning | CLE | Wayne | 67 min |
| Aug 16, 6:28 PM EST | Severe Thunderstorm Warning | CLE | Holmes, Wayne | 62 min |
| Aug 16, 6:36 PM EST | Tornado Warning | CLE | Holmes, Wayne | 54 min |
| Aug 16, 6:49 PM EST | Severe Thunderstorm Warning | PBZ | Lawrence | 56 min |
| Aug 16, 6:50 PM EST | Severe Thunderstorm Warning | CLE | Ashtabula | 40 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, 6.0 hours before the alert went out and 72 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
- 727 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1056 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 12:24 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, DeKalb, Elkhart, Huntington and 8 more | 2 hr |
| Aug 16, 3:25 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Blackford, Carroll, Cass, DeKalb and 29 more | 6 hr |
| Aug 16, 6:14 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Cass, DeKalb, Delaware and 23 more | 91 min |
| Aug 16, 5:53 PM EST | Mesoscale Discussion | SPC | Hillsdale, Lenawee, Monroe, Washtenaw | 97 min |
| Aug 16, 11:51 AM EST | Mesoscale Discussion | SPC | Bradford, Cameron, Clarion, Clinton, Elk, Forest and 11 more | 114 min |
| Aug 16, 12:25 PM EST | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bradford, Butler, Cameron and 21 more | 6 hr |
| Aug 16, 5:26 PM EST | Mesoscale Discussion | SPC | Armstrong, Bradford, Cameron, Clarion, Clearfield, Clinton and 12 more | 64 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Michigan, 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.