Alert archive / Michigan / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 462
The Storm Prediction Center issued this severe thunderstorm watch at Aug 2, 2015, 3:59 PM EDT for 41 counties in Michigan; 39 counties in Wisconsin. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2015, 3:59 PM EDT (19:59 UTC)
- Expired
- Aug 2, 2015, 10:44 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 70 kt
All 80 counties
Alcona County, MI, Allegan County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Barry County, MI, Benzie County, MI, Calhoun County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Eaton County, MI, Gladwin County, MI, Grand Traverse County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Iosco County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kalkaska County, MI, Kent County, MI, Lake County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Missaukee County, MI, Montcalm County, MI, Montmorency County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Ottawa County, MI, Roscommon County, MI, Van Buren County, MI, Wexford County, MI, Adams County, WI, Brown County, WI, Calumet County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Grant County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Juneau County, WI, Kenosha County, WI, Kewaunee County, WI, Lafayette County, WI, Manitowoc County, WI, Marathon County, WI, Marquette County, WI, Milwaukee County, WI, Monroe County, WI, Outagamie County, WI, Ozaukee County, WI, Portage County, WI, Racine County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Shawano County, WI, Sheboygan County, WI, Vernon County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Milwaukee radar (KMKX), 87 km from the middle of the area, began a volume at 20:02 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 90%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 90%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
44 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 4:02 PM EDT | Severe Thunderstorm Warning | GRB | Brown, Oconto, Shawano | 58 min |
| Aug 2, 4:03 PM EDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Wood | 27 min |
| Aug 2, 4:05 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Roscommon | 55 min |
| Aug 2, 4:05 PM EDT | Severe Thunderstorm Warning | GRB | Kewaunee | 25 min |
| Aug 2, 4:28 PM EDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie, Portage, Shawano, Waupaca, Waushara and 1 more | 62 min |
| Aug 2, 4:31 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Grand Traverse, Kalkaska, Missaukee, Otsego and 2 more | 59 min |
| Aug 2, 4:33 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw | 57 min |
| Aug 2, 4:44 PM EDT | Severe Thunderstorm Warning | GRB | Brown, Door, Kewaunee, Oconto | 46 min |
| Aug 2, 5:00 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Iosco | 53 min |
| Aug 2, 5:00 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Crawford, Kalkaska, Montmorency, Oscoda and 1 more | 60 min |
| Aug 2, 5:01 PM EDT | Severe Thunderstorm Warning | GRB | Waupaca, Waushara, Winnebago | 59 min |
| Aug 2, 5:13 PM EDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Shawano, Waupaca | 32 min |
| Aug 2, 5:18 PM EDT | Severe Thunderstorm Warning | GRB | Brown, Kewaunee, Manitowoc | 42 min |
| Aug 2, 5:19 PM EDT | Severe Thunderstorm Warning | APX | Wexford | 26 min |
| Aug 2, 5:25 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Ogemaw, Roscommon | 65 min |
| Aug 2, 5:28 PM EDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake | 62 min |
| Aug 2, 5:31 PM EDT | Severe Thunderstorm Warning | APX | Missaukee | 29 min |
| Aug 2, 5:43 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 32 min |
| Aug 2, 5:50 PM EDT | Severe Thunderstorm Warning | GRB | Outagamie, Portage, Shawano, Waupaca | 25 min |
| Aug 2, 5:50 PM EDT | Severe Thunderstorm Warning | GRB | Calumet, Winnebago | 14 min |
| Aug 2, 5:56 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Arenac, Iosco | 64 min |
| Aug 2, 5:58 PM EDT | Severe Thunderstorm Warning | APX | Benzie, Manistee | 41 min |
| Aug 2, 6:01 PM EDT | Severe Thunderstorm Warning | GRR | Lake, Mason, Osceola | 44 min |
| Aug 2, 6:02 PM EDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Sheboygan | 58 min |
| Aug 2, 6:15 PM EDT | Severe Thunderstorm Warning | APX | Gladwin | 30 min |
| Aug 2, 6:19 PM EDT | Severe Thunderstorm Warning | APX | Wexford | 34 min |
| Aug 2, 6:19 PM EDT | Severe Thunderstorm Warning | GRB | Manitowoc | 26 min |
| Aug 2, 6:21 PM EDT | Severe Thunderstorm Warning | GRR | Clare | 84 min |
| Aug 2, 6:26 PM EDT | Severe Thunderstorm Warning | MKX | Fond du Lac | 34 min |
| Aug 2, 6:42 PM EDT | Severe Thunderstorm Warning | APX | Missaukee | 32 min |
| Aug 2, 6:52 PM EDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington | 38 min |
| Aug 2, 7:08 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 52 min |
| Aug 2, 7:29 PM EDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 31 min |
| Aug 2, 7:31 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Newaygo, Oceana | 59 min |
| Aug 2, 7:31 PM EDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 29 min |
| Aug 2, 7:48 PM EDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 42 min |
| Aug 2, 7:57 PM EDT | Severe Thunderstorm Warning | MKX | Ozaukee | 15 min |
| Aug 2, 8:05 PM EDT | Severe Thunderstorm Warning | GRR | Kent, Muskegon, Ottawa | 55 min |
| Aug 2, 8:53 PM EDT | Severe Thunderstorm Warning | MKX | Milwaukee, Waukesha | 48 min |
| Aug 2, 9:00 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Eaton, Ionia, Kent, Ottawa | 90 min |
| Aug 2, 9:04 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 23 min |
| Aug 2, 9:15 PM EDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 60 min |
| Aug 2, 9:49 PM EDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 41 min |
| Aug 2, 10:43 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 54 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:21 AM EDT | Mesoscale Discussion | SPC | Gogebic, Iron, Ontonagon | 2 hr |
| Aug 2, 8:51 AM EDT | Mesoscale Discussion | SPC | Antrim, Benzie, Charlevoix, Crawford, Delta, Dickinson and 13 more | 2 hr |
| Aug 2, 9:51 AM EDT | Severe Thunderstorm Watch | SPC | Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 19 more | 7 hr |
| Aug 2, 12:49 PM EDT | Mesoscale Discussion | SPC | Crawford, Iosco, Missaukee, Montmorency, Ogemaw, Oscoda and 2 more | 56 min |
| Aug 2, 1:09 PM EDT | Mesoscale Discussion | SPC | Delta, Dickinson, Iron, Menominee | 2 hr |
| Aug 2, 2:56 PM EDT | Mesoscale Discussion | SPC | Clinton, Genesee, Ingham, Lapeer, Livingston, Macomb and 6 more | 64 min |
| Aug 2, 3:00 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 13 more | 2 hr |
| Aug 2, 6:08 PM EDT | Mesoscale Discussion | SPC | Bay, Clinton, Genesee, Gladwin, Gratiot, Ingham and 15 more | 97 min |
| Aug 2, 6:27 PM EDT | Severe Thunderstorm Watch | SPC | Allegan, Barry, Bay, Calhoun, Clare, Clinton and 34 more | 6 hr |
| Aug 2, 1:55 AM EDT | Mesoscale Discussion | SPC | Adams, Chippewa, Clark, Eau Claire, Green Lake, Jackson and 16 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Michigan, 2015Severe Thunderstorm Watches in Wisconsin, 2015Every severe thunderstorm watch in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.