Alert archive / Michigan / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 206
The Storm Prediction Center issued this severe thunderstorm watch at May 14, 2004, 12:05 PM EST for 20 counties in Indiana; 41 counties in Michigan; 8 counties in Ohio. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 14, 2004, 12:05 PM EST (17:05 UTC)
- Expired
- May 14, 2004, 7:00 PM EST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 69 counties
Adams County, IN, Allen County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Huntington County, IN, Kosciusko County, IN, LaGrange County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Alcona County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Clare County, MI, Clinton County, MI, Eaton County, MI, Genesee County, MI, Gladwin County, MI, Gratiot County, MI, Hillsdale County, MI, Huron County, MI, Ingham County, MI, Ionia County, MI, Iosco County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Monroe County, MI, Montcalm County, MI, Oakland County, MI, Ogemaw County, MI, Osceola County, MI, Roscommon County, MI, Saginaw County, MI, Saint Joseph County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH
The radar
The Grand Rapids radar (KGRR), 82 km from the middle of the area, began a volume at 17:07 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 12:10 PM EST | Severe Thunderstorm Warning | IWX | Cass | 50 min |
| May 14, 2:47 PM EST | Severe Thunderstorm Warning | DTX | Saginaw | 58 min |
| May 14, 2:47 PM EST | Severe Thunderstorm Warning | GRR | Gratiot | 43 min |
| May 14, 3:43 PM EST | Severe Thunderstorm Warning | DTX | Shiawassee | 62 min |
| May 14, 4:17 PM EST | Tornado Warning | DTX | Genesee | 58 min |
| May 14, 4:42 PM EST | Tornado Warning | DTX | Lapeer | 63 min |
| May 14, 5:13 PM EST | Tornado Warning | DTX | Sanilac | 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, 5.1 hours before the alert went out and 140 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
- 177 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 64 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 14, 11:38 AM EST | Mesoscale Discussion | SPC | DeKalb, Elkhart, Fulton, Kosciusko, LaGrange, LaPorte and 7 more | 2 hr |
| May 14, 2:52 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Carroll, Cass, DeKalb, Elkhart and 12 more | 113 min |
| May 14, 5:56 PM EST | Mesoscale Discussion | SPC | Huron, Lapeer, Macomb, Monroe, Oakland, Sanilac and 1 more | 64 min |
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.