Alert archive / Michigan / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 657
The Storm Prediction Center issued this severe thunderstorm watch at Jul 6, 2003, 5:45 PM EST for 32 counties in Indiana; 40 counties in Michigan; 28 counties in Ohio. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2003, 5:45 PM EST (22:45 UTC)
- Expired
- Jul 6, 2003, 11:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 100 counties
Adams County, IN, Allen County, IN, Blackford County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Howard County, IN, Huntington County, IN, Jay County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Madison County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Randolph County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Allegan County, MI, Barry County, MI, Bay County, MI, Berrien 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, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Mason County, MI, Mecosta County, MI, Midland 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, Tuscola County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Champaign County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Franklin County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Lucas County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Grand Rapids radar (KGRR), 57 km from the middle of the area, began a volume at 22:45 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
32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 5:45 PM EST | Flash Flood Warning | IWX | White | 2 hr |
| Jul 6, 5:52 PM EST | Severe Thunderstorm Warning | IWX | Adams | 23 min |
| Jul 6, 5:56 PM EST | Severe Thunderstorm Warning | GRR | Kalamazoo, Mecosta | 34 min |
| Jul 6, 6:13 PM EST | Severe Thunderstorm Warning | GRR | Calhoun | 47 min |
| Jul 6, 6:31 PM EST | Severe Thunderstorm Warning | ILN | Mercer | 44 min |
| Jul 6, 6:42 PM EST | Severe Thunderstorm Warning | IWX | Hillsdale | 63 min |
| Jul 6, 6:42 PM EST | Severe Thunderstorm Warning | IWX | Henry | 48 min |
| Jul 6, 6:46 PM EST | Severe Thunderstorm Warning | DTX | Midland | 29 min |
| Jul 6, 6:48 PM EST | Severe Thunderstorm Warning | GRR | Kent | 42 min |
| Jul 6, 6:55 PM EST | Flash Flood Warning | ILN | Mercer | 2 hr |
| Jul 6, 6:59 PM EST | Severe Thunderstorm Warning | IWX | LaPorte | 46 min |
| Jul 6, 6:59 PM EST | Severe Thunderstorm Warning | GRR | Jackson | 46 min |
| Jul 6, 7:10 PM EST | Severe Thunderstorm Warning | GRR | Kent | 20 min |
| Jul 6, 7:26 PM EST | Severe Thunderstorm Warning | IWX | Saint Joseph | 64 min |
| Jul 6, 7:36 PM EST | Severe Thunderstorm Warning | IWX | White | 54 min |
| Jul 6, 7:42 PM EST | Severe Thunderstorm Warning | IND | Carroll, Tippecanoe | 33 min |
| Jul 6, 7:47 PM EST | Flash Flood Warning | IND | Carroll, Tippecanoe | 118 min |
| Jul 6, 7:51 PM EST | Severe Thunderstorm Warning | IWX | Elkhart | 54 min |
| Jul 6, 8:02 PM EST | Severe Thunderstorm Warning | IWX | LaPorte, Starke | 43 min |
| Jul 6, 8:17 PM EST | Severe Thunderstorm Warning | IWX | Marshall | 58 min |
| Jul 6, 8:38 PM EST | Severe Thunderstorm Warning | IWX | Fulton, Kosciusko, Miami | 52 min |
| Jul 6, 8:42 PM EST | Flash Flood Warning | IWX | White | 2 hr |
| Jul 6, 8:44 PM EST | Severe Thunderstorm Warning | IND | Tippecanoe | 31 min |
| Jul 6, 8:51 PM EST | Flash Flood Warning | IWX | Cass, Miami | 114 min |
| Jul 6, 9:00 PM EST | Severe Thunderstorm Warning | DTX | Genesee, Tuscola | 60 min |
| Jul 6, 9:11 PM EST | Severe Thunderstorm Warning | DTX | Lapeer | 64 min |
| Jul 6, 9:39 PM EST | Severe Thunderstorm Warning | IWX | Miami, Wabash | 66 min |
| Jul 6, 10:00 PM EST | Flash Flood Warning | IWX | Adams, Allen, Huntington, Wabash, Wells | 2 hr |
| Jul 6, 10:05 PM EST | Flash Flood Warning | IND | Boone, Clinton, Howard, Montgomery, Tipton | 3 hr |
| Jul 6, 10:31 PM EST | Flash Flood Warning | ILN | Mercer | 6 hr |
| Jul 6, 10:45 PM EST | Severe Thunderstorm Warning | IWX | Blackford, Jay | 60 min |
| Jul 6, 10:58 PM EST | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Madison, Randolph, Tipton | 62 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, 10.8 hours before the alert went out and 157 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1597 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 205 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 5, 7:20 PM EST | Mesoscale Discussion | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 42 more | 55 min |
| Jul 6, 11:45 AM EST | Tornado Watch | SPC | Jasper, Lake, Newton, Porter | 6 hr |
| Jul 6, 12:36 PM EST | Mesoscale Discussion | SPC | DeKalb, Elkhart, Fulton, Jasper, Kosciusko, LaGrange and 12 more | 114 min |
| Jul 6, 1:10 PM EST | Severe Thunderstorm Watch | SPC | Adams, Benton, Blackford, Boone, Carroll, Cass and 34 more | 5 hr |
| Jul 6, 1:25 PM EST | Severe Thunderstorm Watch | SPC | DeKalb, Elkhart, Kosciusko, LaGrange, LaPorte, Marshall and 4 more | 5 hr |
| Jul 6, 2:00 PM EST | Mesoscale Discussion | SPC | Benton, Carroll, Cass, Clinton, Elkhart, Fountain and 18 more | 2 hr |
| Jul 6, 5:28 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 46 more | 62 min |
| Jul 6, 6:00 PM EST | Severe Thunderstorm Watch | SPC | Benton, Jasper, Lake, Newton, Porter, Warren | 5 hr |
| Jul 5, 11:28 PM EST | Mesoscale Discussion | SPC | Belmont, Coshocton, Guernsey, Licking, Monroe, Morgan and 3 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Michigan, 2003Severe Thunderstorm Watches in Indiana, 2003Severe Thunderstorm Watches in Ohio, 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.