Alert archive / Wisconsin / Severe Thunderstorm Watches in 2011
Severe Thunderstorm Watch 703
The Storm Prediction Center issued this severe thunderstorm watch at Jul 30, 2011, 2:04 PM EDT for 12 counties in Michigan; 33 counties in Wisconsin. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 30, 2011, 2:04 PM EDT (18:04 UTC)
- Expired
- Jul 30, 2011, 9:00 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 45 counties
Alger County, MI, Baraga County, MI, Delta County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Luce County, MI, Marquette County, MI, Menominee County, MI, Ontonagon County, MI, Schoolcraft County, MI, Barron County, WI, Brown County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Door County, WI, Dunn County, WI, Eau Claire County, WI, Florence County, WI, Forest County, WI, Jackson County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Portage County, WI, Price County, WI, Rusk County, WI, Saint Croix County, WI, Shawano County, WI, Taylor County, WI, Trempealeau County, WI, Vilas County, WI, Waupaca County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 130 km from the middle of the area, began a volume at 18:04 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
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 2:09 PM EDT | Severe Thunderstorm Warning | MQT | Ontonagon | 66 min |
| Jul 30, 2:50 PM EDT | Severe Thunderstorm Warning | MQT | Houghton, Iron, Ontonagon | 55 min |
| Jul 30, 2:56 PM EDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 68 min |
| Jul 30, 3:03 PM EDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Lincoln, Oneida | 42 min |
| Jul 30, 3:04 PM EDT | Severe Thunderstorm Warning | MPX | Dunn, Saint Croix | 41 min |
| Jul 30, 3:09 PM EDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon | 51 min |
| Jul 30, 3:19 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Iron | 56 min |
| Jul 30, 3:42 PM EDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Marinette, Oconto, Oneida | 58 min |
| Jul 30, 3:53 PM EDT | Severe Thunderstorm Warning | GRB | Langlade, Menominee, Oconto, Shawano | 58 min |
| Jul 30, 4:28 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson | 62 min |
| Jul 30, 4:54 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 47 min |
| Jul 30, 5:02 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 41 min |
| Jul 30, 5:10 PM EDT | Severe Thunderstorm Warning | MQT | Marquette | 37 min |
| Jul 30, 5:19 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 56 min |
| Jul 30, 5:22 PM EDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Manitowoc, Outagamie, Waushara, Winnebago | 38 min |
| Jul 30, 5:23 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Marquette | 52 min |
| Jul 30, 5:30 PM EDT | Severe Thunderstorm Warning | MQT | Alger | 60 min |
| Jul 30, 5:59 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Schoolcraft | 61 min |
| Jul 30, 6:57 PM EDT | Severe Thunderstorm Warning | MQT | Luce, Schoolcraft | 63 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 |
|---|---|---|---|---|
| Jul 30, 12:28 PM EDT | Mesoscale Discussion | SPC | Gogebic, Iron | 3 hr |
| Jul 30, 3:56 PM EDT | Mesoscale Discussion | SPC | Alger, Baraga, Benzie, Delta, Dickinson, Iron and 8 more | 2 hr |
| Jul 30, 6:31 PM EDT | Severe Thunderstorm Watch | SPC | Barron, Bayfield, Burnett, Douglas, Polk, Rusk and 3 more | 7 hr |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2011Severe Thunderstorm Watches in Michigan, 2011Every severe thunderstorm watch in 2011
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.