Alert archive / Wisconsin / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 196
The Storm Prediction Center issued this severe thunderstorm watch at May 20, 2013, 7:48 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 20, 2013, 7:48 PM CDT (00:48 UTC)
- Expired
- May 21, 2013, 1:26 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 78 counties
Allamakee County, IA, Buchanan County, IA, Cedar County, IA, Chickasaw County, IA, Clayton County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Jackson County, IA, Jones County, IA, Mitchell County, IA, Muscatine County, IA, Scott County, IA, Winneshiek County, IA, Boone County, IL, Bureau County, IL, Carroll County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Henry County, IL, Iroquois County, IL, Jo Daviess County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Fillmore County, MN, Houston County, MN, Mower County, MN, Winona County, MN, Adams County, WI, Buffalo 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, Jackson County, WI, Jefferson County, WI, Juneau County, WI, Kenosha County, WI, La Crosse County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Monroe County, WI, Ozaukee County, WI, Racine County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Trempealeau County, WI, Vernon County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI
The radar
The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 00:50 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
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 20, 8:29 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 61 min |
| May 20, 8:55 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 35 min |
| May 20, 9:12 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 78 min |
| May 20, 9:41 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 49 min |
| May 20, 9:58 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Will | 62 min |
| May 20, 10:22 PM CDT | Flash Flood Warning | LOT | Cook | 4 hr |
| May 20, 10:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Ford, Grundy, Iroquois, Kankakee and 2 more | 66 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 |
|---|---|---|---|---|
| May 20, 7:17 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DeWitt, DuPage and 25 more | 58 min |
| May 20, 7:39 PM CDT | Tornado Watch | SPC | Randolph | 6 hr |
| May 20, 8:07 PM CDT | Mesoscale Discussion | SPC | Calhoun, Pike | 23 min |
| May 20, 8:53 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 27 more | 67 min |
| May 20, 10:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Champaign, Clark, Clay, Coles, Crawford and 33 more | 65 min |
| May 20, 10:56 PM CDT | Tornado Watch | SPC | Alexander, Champaign, Clark, Clay, Coles, Crawford and 29 more | 6 hr |
| May 21, 2:59 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more | 91 min |
| May 20, 9:33 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Davis, Grundy and 17 more | 57 min |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2013Severe Thunderstorm Watches in Illinois, 2013Severe Thunderstorm Watches in Iowa, 2013Every severe thunderstorm watch in 2013
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.