Alert archive / Michigan / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 655
The Storm Prediction Center issued this severe thunderstorm watch at Jul 6, 2003, 1:25 PM EST for 10 counties in Indiana; 27 counties in Michigan; 8 counties in Ohio. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2003, 1:25 PM EST (18:25 UTC)
- Expired
- Jul 6, 2003, 6:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 45 counties
DeKalb County, IN, Elkhart County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Noble County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Hillsdale County, MI, Ingham County, MI, Ionia County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Ottawa County, MI, Saint Joseph County, MI, Shiawassee County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Defiance County, OH, Fulton County, OH, Henry County, OH, Lucas County, OH, Ottawa County, OH, Sandusky County, OH, Williams County, OH, Wood County, OH
The radar
The Grand Rapids radar (KGRR), 63 km from the middle of the area, began a volume at 18:25 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
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 2:16 PM EST | Severe Thunderstorm Warning | IWX | Saint Joseph | 59 min |
| Jul 6, 2:34 PM EST | Severe Thunderstorm Warning | DTX | Monroe | 41 min |
| Jul 6, 2:50 PM EST | Severe Thunderstorm Warning | IWX | Starke | 55 min |
| Jul 6, 3:39 PM EST | Severe Thunderstorm Warning | IWX | Saint Joseph | 51 min |
| Jul 6, 4:28 PM EST | Severe Thunderstorm Warning | IWX | Cass | 62 min |
| Jul 6, 4:30 PM EST | Severe Thunderstorm Warning | IWX | Berrien | 60 min |
| Jul 6, 4:31 PM EST | Severe Thunderstorm Warning | IWX | Pulaski, Starke | 59 min |
| Jul 6, 4:35 PM EST | Severe Thunderstorm Warning | IWX | Berrien | 55 min |
| Jul 6, 4:59 PM EST | Flash Flood Warning | IWX | Starke | 61 min |
| Jul 6, 5:02 PM EST | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 58 min |
| Jul 6, 5:56 PM EST | Severe Thunderstorm Warning | GRR | Kalamazoo, Mecosta | 34 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, 6.4 hours before the alert went out and 158 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, 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, 5:45 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Blackford, Carroll, Cass, Clinton and 26 more | 5 hr |
| 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.