Alert archive / Michigan / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 165
The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2004, 5:20 PM EST for 10 counties in Indiana; 11 counties in Michigan; 8 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 8, 2004, 5:20 PM EST (22:20 UTC)
- Expired
- May 8, 2004, 11:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 29 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, Branch County, MI, Calhoun County, MI, Cass County, MI, Hillsdale County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Monroe County, MI, Saint Joseph 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 Northern Indiana radar (KIWX), 71 km from the middle of the area, began a volume at 22:20 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 5:33 PM EST | Severe Thunderstorm Warning | IWX | Elkhart | 42 min |
| May 8, 6:53 PM EST | Severe Thunderstorm Warning | IWX | LaGrange | 67 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, 10.3 hours before the alert went out and 171 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
- 1735 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 323 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 |
|---|---|---|---|---|
| May 8, 4:00 PM EST | Mesoscale Discussion | SPC | Elkhart, LaGrange, LaPorte, Porter, Saint Joseph | 3 hr |
| May 8, 5:08 PM EST | Mesoscale Discussion | SPC | Bay, Clinton, Eaton, Genesee, Gratiot, Ingham and 16 more | 2 hr |
| May 8, 5:28 PM EST | Mesoscale Discussion | SPC | Ashtabula, Columbiana, Geauga, Lake, Mahoning, Trumbull | 3 hr |
Nearby
Severe Thunderstorm Watches in Michigan, 2004Severe Thunderstorm Watches in Indiana, 2004Severe Thunderstorm Watches in Ohio, 2004Every severe thunderstorm watch in 2004
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.