Alert archive / Wisconsin / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 494
The Storm Prediction Center issued this severe thunderstorm watch at Sep 4, 2014, 7:42 AM CDT for 4 counties in Michigan; 16 counties in Wisconsin. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 4, 2014, 7:42 AM CDT (12:42 UTC)
- Expired
- Sep 4, 2014, 12:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Dickinson County, MI, Gogebic County, MI, Iron County, MI, Menominee County, MI, Ashland County, WI, Bayfield County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Price County, WI, Sawyer County, WI, Shawano County, WI, Vilas County, WI
The radar
The Duluth radar (KDLH), 189 km from the middle of the area, began a volume at 12:46 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
- 40%
- 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
- 80%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 7:58 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Price, Sawyer, Washburn | 47 min |
| Sep 4, 8:26 AM CDT | Severe Thunderstorm Warning | DLH | Sawyer, Washburn | 19 min |
| Sep 4, 8:33 AM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Burnett, Douglas, Sawyer, Washburn | 42 min |
| Sep 4, 8:43 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Iron, Price | 47 min |
| Sep 4, 8:50 AM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 55 min |
| Sep 4, 9:13 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Iron, Price, Sawyer, Washburn | 62 min |
| Sep 4, 9:38 AM CDT | Severe Thunderstorm Warning | GRB | Forest, Lincoln, Oneida, Vilas | 52 min |
| Sep 4, 10:09 AM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Oneida | 53 min |
| Sep 4, 10:23 AM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest, Langlade, Lincoln, Oneida, Vilas | 52 min |
| Sep 4, 11:48 AM CDT | Flash Flood Warning | MQT | Dickinson | 3 hr |
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 |
|---|---|---|---|---|
| Sep 4, 7:21 AM CDT | Mesoscale Discussion | SPC | Menominee | 114 min |
| Sep 4, 10:25 AM CDT | Mesoscale Discussion | SPC | Iron, Menominee | 65 min |
| Sep 4, 12:49 PM CDT | Mesoscale Discussion | SPC | Antrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet and 13 more | 56 min |
| Sep 3, 8:00 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Chippewa, Clark, Dunn, Eau Claire and 5 more | 90 min |
| Sep 3, 8:22 PM CDT | Severe Thunderstorm Watch | SPC | Barron, Chippewa, Clark, Dunn, Eau Claire, Polk and 5 more | 3 hr |
| Sep 3, 10:41 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Clark, Crawford, Eau Claire, Jackson and 11 more | 79 min |
| Sep 4, 4:43 AM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Polk, Rusk, Sawyer, Washburn | 2 hr |
| Sep 4, 5:02 AM CDT | Severe Thunderstorm Watch | SPC | Barron, Burnett, Douglas, Polk, Rusk, Washburn | 5 hr |
| Sep 4, 5:04 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Clark, Columbia, Crawford and 29 more | 86 min |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2014Severe Thunderstorm Watches in Michigan, 2014Every severe thunderstorm watch in 2014
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.