Alert archive / Wisconsin / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 406
The Storm Prediction Center issued this severe thunderstorm watch at Jul 21, 2016, 4:26 PM CDT for 19 counties in Wisconsin. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 21, 2016, 4:26 PM CDT (21:26 UTC)
- Expired
- Jul 21, 2016, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 63 km from the middle of the area, began a volume at 21:28 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.
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
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 4:34 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 56 min |
| Jul 21, 4:50 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Green Lake, Marquette | 55 min |
| Jul 21, 5:13 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake | 62 min |
| Jul 21, 5:25 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Sauk | 65 min |
| Jul 21, 5:30 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Waukesha | 60 min |
| Jul 21, 6:03 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Jefferson, Rock | 42 min |
| Jul 21, 6:08 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Racine, Rock, Walworth, Washington, Waukesha | 67 min |
| Jul 21, 6:15 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 45 min |
| Jul 21, 6:36 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Rock, Walworth | 54 min |
| Jul 21, 6:37 PM CDT | Flash Flood Warning | MKX | Columbia, Dane, Jefferson, Sauk | 3 hr |
| Jul 21, 7:16 PM CDT | Flash Flood Warning | MKX | Rock, Walworth | 3 hr |
| Jul 21, 7:22 PM CDT | Flash Flood Warning | MKX | Dane, Iowa, Sauk | 3 hr |
| Jul 21, 7:39 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Sauk | 51 min |
| Jul 21, 7:51 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Iowa, Lafayette | 39 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 21, 12:32 AM CDT | Severe Thunderstorm Watch | SPC | Ashland, Barron, Bayfield, Burnett, Chippewa, Douglas and 8 more | 6 hr |
| Jul 21, 2:30 AM CDT | Mesoscale Discussion | SPC | Bayfield, Burnett, Douglas, Washburn | 2 hr |
| Jul 21, 3:54 AM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Burnett, Douglas, Florence, Forest and 8 more | 2 hr |
| Jul 21, 4:31 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Calumet, Door, Florence, Forest, Kewaunee and 12 more | 6 hr |
| Jul 21, 6:39 AM CDT | Mesoscale Discussion | SPC | Buffalo, Clark, Eau Claire, Florence, Forest, Jackson and 15 more | 2 hr |
| Jul 21, 8:28 AM CDT | Mesoscale Discussion | SPC | Calumet, Columbia, Dane, Dodge, Fond du Lac, Green and 16 more | 2 hr |
| Jul 21, 8:45 AM CDT | Severe Thunderstorm Watch | SPC | Columbia, Dodge, Fond du Lac, Green Lake, Jefferson, Marquette and 5 more | 7 hr |
| Jul 21, 11:19 AM CDT | Mesoscale Discussion | SPC | Milwaukee, Racine | 116 min |
| Jul 21, 3:20 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Columbia, Eau Claire, Iowa, Jackson and 9 more | 115 min |
| Jul 21, 5:42 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 12 more | 93 min |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2016Every severe thunderstorm watch in 2016
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.