Alert archive / Michigan / Mesoscale Discussions in 2005
Mesoscale Discussion 1841
The Storm Prediction Center issued this mesoscale discussion at Jul 24, 2005, 2:57 AM EDT for 31 counties in Michigan; 10 counties in Wisconsin. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2005, 2:57 AM EDT (06:57 UTC)
- Expired
- Jul 24, 2005, 5:00 AM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Antrim County, MI, Benzie County, MI, Clare County, MI, Delta County, MI, Dickinson County, MI, Gladwin County, MI, Gogebic County, MI, Grand Traverse County, MI, Gratiot County, MI, Ionia County, MI, Iron County, MI, Isabella County, MI, Kalkaska County, MI, Kent County, MI, Lake County, MI, Leelanau County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Menominee County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Ottawa County, MI, Saginaw County, MI, Schoolcraft County, MI, Wexford County, MI, Ashland County, WI, Bayfield County, WI, Door County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Kewaunee County, WI, Marinette County, WI, Oneida County, WI, Vilas County, WI
The radar
The Green Bay radar (KGRB), 97 km from the middle of the area, began a volume at 06:59 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 7.0 hours before the alert went out and 99 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
- 1000 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 12:02 AM EDT | Mesoscale Discussion | SPC | Antrim, Baraga, Benzie, Charlevoix, Cheboygan, Clare and 23 more | 118 min |
| Jul 24, 12:35 AM EDT | Severe Thunderstorm Watch | SPC | Baraga, Delta, Dickinson, Gogebic, Iron, Marquette and 2 more | 6 hr |
| Jul 24, 3:40 AM EDT | Severe Thunderstorm Watch | SPC | Alcona, Alpena, Antrim, Arenac, Bay, Benzie and 34 more | 7 hr |
| Jul 24, 5:59 AM EDT | Mesoscale Discussion | SPC | Antrim, Arenac, Barry, Bay, Benzie, Branch and 45 more | 91 min |
| Jul 24, 8:30 AM EDT | Severe Thunderstorm Watch | SPC | Barry, Branch, Calhoun, Clinton, Eaton, Genesee and 14 more | 4 hr |
| Jul 24, 10:22 AM EDT | Mesoscale Discussion | SPC | Arenac, Bay, Genesee, Gladwin, Gratiot, Huron and 15 more | 53 min |
| Jul 24, 4:46 PM EDT | Mesoscale Discussion | SPC | Arenac, Barry, Bay, Branch, Calhoun, Clinton and 25 more | 119 min |
| Jul 24, 7:26 PM EDT | Mesoscale Discussion | SPC | Crawford, Grant, Iowa, Lafayette, Richland | 64 min |
Nearby
Mesoscale Discussions in Michigan, 2005Mesoscale Discussions in Wisconsin, 2005Every mesoscale discussion in 2005
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.