Alert archive / Wisconsin / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 271

May 14, 20078 counties in Michigan; 10 counties in Minnesota; 15 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at May 14, 2007, 4:24 PM EDT for 8 counties in Michigan; 10 counties in Minnesota; 15 counties in Wisconsin. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 14, 2007, 4:24 PM EDT (20:24 UTC)
Expired
May 14, 2007, 11:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 33 counties

Baraga County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Marquette County, MI, Menominee County, MI, Ontonagon County, MI, Aitkin County, MN, Carlton County, MN, Chisago County, MN, Cook County, MN, Isanti County, MN, Kanabec County, MN, Lake County, MN, Mille Lacs County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Oneida County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Vilas County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 108 km from the middle of the area, began a volume at 20:27 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
10%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 14, 4:28 PM EDTSevere Thunderstorm WarningDLHSaint Louis32 min
May 14, 4:52 PM EDTSevere Thunderstorm WarningDLHLake, Saint Louis23 min
May 14, 5:14 PM EDTSevere Thunderstorm WarningDLHSaint Louis46 min
May 14, 5:53 PM EDTSevere Thunderstorm WarningDLHBayfield, Douglas52 min
May 14, 6:39 PM EDTSevere Thunderstorm WarningDLHAshland, Iron66 min
May 14, 6:43 PM EDTSevere Thunderstorm WarningDLHBayfield, Douglas47 min
May 14, 6:50 PM EDTSevere Thunderstorm WarningMQTBaraga40 min
May 14, 6:55 PM EDTSevere Thunderstorm WarningMQTMarquette20 min
May 14, 7:04 PM EDTSevere Thunderstorm WarningMQTGogebic86 min
May 14, 7:21 PM EDTSevere Thunderstorm WarningMQTMarquette69 min
May 14, 7:26 PM EDTSevere Thunderstorm WarningDLHBayfield34 min
May 14, 7:32 PM EDTSevere Thunderstorm WarningMQTBaraga28 min
May 14, 7:39 PM EDTSevere Thunderstorm WarningDLHAshland, Iron36 min
May 14, 7:50 PM EDTSevere Thunderstorm WarningDLHSawyer25 min
May 14, 7:56 PM EDTTornado WarningMQTGogebic49 min
May 14, 8:04 PM EDTSevere Thunderstorm WarningGRBVilas56 min
May 14, 8:32 PM EDTSevere Thunderstorm WarningMQTMarquette28 min
May 14, 8:45 PM EDTSevere Thunderstorm WarningMQTIron75 min
May 14, 8:46 PM EDTSevere Thunderstorm WarningMQTGogebic14 min
May 14, 8:46 PM EDTSevere Thunderstorm WarningDLHPrice44 min
May 14, 8:56 PM EDTSevere Thunderstorm WarningGRBForest, Vilas34 min
May 14, 9:13 PM EDTSevere Thunderstorm WarningGRBFlorence47 min
May 14, 9:23 PM EDTSevere Thunderstorm WarningMQTMarquette22 min
May 14, 9:48 PM EDTSevere Thunderstorm WarningMQTDickinson57 min
May 14, 10:17 PM EDTSevere Thunderstorm WarningMQTMarquette28 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.

IssuedProductOfficeCountiesLasted
May 14, 12:01 PM EDTMesoscale DiscussionSPCAlger, Baraga, Gogebic, Houghton, Luce, Marquette and 1 more59 min
May 14, 3:31 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Ontonagon119 min
May 13, 8:03 PM EDTMesoscale DiscussionSPCAitkin, Becker, Beltrami, Carlton, Cass, Clay and 9 more87 min
May 14, 6:34 PM EDTMesoscale DiscussionSPCAitkin, Cass, Crow Wing, Hubbard, Itasca, Saint Louis and 1 more116 min
May 14, 6:49 PM EDTMesoscale DiscussionSPCAitkin, Cass, Crow Wing, Hubbard, Itasca, Saint Louis and 1 more116 min
May 14, 7:32 PM EDTMesoscale DiscussionSPCAitkin, Cass, Crow Wing, Hubbard, Itasca, Saint Louis and 1 more118 min

Nearby

Severe Thunderstorm Watches in Wisconsin, 2007Severe Thunderstorm Watches in Minnesota, 2007Severe Thunderstorm Watches in Michigan, 2007Every severe thunderstorm watch in 2007

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.