Alert archive / Michigan / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 468
The Storm Prediction Center issued this severe thunderstorm watch at Jun 14, 2004, 12:25 PM EDT for 48 counties in Michigan. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2004, 12:25 PM EDT (16:25 UTC)
- Expired
- Jun 14, 2004, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
All 48 counties
Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Benzie County, MI, Cheboygan County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Eaton County, MI, Genesee County, MI, Gladwin County, MI, Grand Traverse County, MI, Gratiot County, MI, Huron County, MI, Ingham County, MI, Ionia County, MI, Iosco County, MI, Isabella County, MI, Kalkaska County, MI, Kent County, MI, Lake County, MI, Lapeer County, MI, Leelanau County, MI, Livingston County, MI, Macomb County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Montmorency County, MI, Newaygo County, MI, Oakland County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Ottawa County, MI, Presque Isle County, MI, Roscommon County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 69 km from the middle of the area, began a volume at 16:28 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
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 12:48 PM EDT | Severe Thunderstorm Warning | GRR | Ionia, Montcalm | 42 min |
| Jun 14, 1:10 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 50 min |
| Jun 14, 1:19 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Eaton | 56 min |
| Jun 14, 1:53 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 52 min |
| Jun 14, 2:06 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 84 min |
| Jun 14, 2:18 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 57 min |
| Jun 14, 2:39 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 66 min |
| Jun 14, 2:50 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 85 min |
| Jun 14, 3:35 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 70 min |
| Jun 14, 4:00 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 75 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, 4.4 hours before the alert went out and 205 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
- 338 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 83 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 |
|---|---|---|---|---|
| Jun 13, 8:30 PM EDT | Mesoscale Discussion | SPC | Monroe | 90 min |
| Jun 14, 10:06 AM EDT | Mesoscale Discussion | SPC | Berrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 7 more | 54 min |
| Jun 14, 10:40 AM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 8 more | 7 hr |
| Jun 14, 11:22 AM EDT | Mesoscale Discussion | SPC | Branch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 9 more | 53 min |
| Jun 14, 11:51 AM EDT | Mesoscale Discussion | SPC | Arenac, Bay, Cheboygan, Clare, Crawford, Genesee and 21 more | 84 min |
| Jun 14, 1:29 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Barry, Bay and 52 more | 91 min |
| Jun 14, 4:28 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Bay, Benzie and 31 more | 92 min |
Nearby
Severe Thunderstorm Watches in Michigan, 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.