Alert archive / Wisconsin / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 461

June 11, 2005Iron County, Michigan; 23 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 11, 2005, 3:55 PM CDT for Iron County, Michigan; 23 counties in Wisconsin. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 2005, 3:55 PM CDT (20:55 UTC)
Expired
Jun 11, 2005, 11:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 24 counties

Iron County, MI, Brown County, WI, Calumet County, WI, Florence County, WI, Fond du Lac County, WI, Forest County, WI, Iron County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Price County, WI, Shawano County, WI, Sheboygan County, WI, Vilas County, WI, Waupaca County, WI, Winnebago County, WI

The radar

The Green Bay radar (KGRB), 108 km from the middle of the area, began a volume at 20:58 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 11, 4:56 PM CDTSevere Thunderstorm WarningDLHPrice27 min
Jun 11, 5:01 PM CDTSevere Thunderstorm WarningGRBOneida59 min
Jun 11, 5:15 PM CDTSevere Thunderstorm WarningGRBWaupaca32 min
Jun 11, 5:24 PM CDTSevere Thunderstorm WarningGRBVilas66 min
Jun 11, 5:43 PM CDTSevere Thunderstorm WarningGRBBrown55 min
Jun 11, 5:44 PM CDTSevere Thunderstorm WarningGRBForest, Langlade, Menominee, Oconto, Shawano63 min
Jun 11, 6:08 PM CDTSevere Thunderstorm WarningGRBFlorence, Marinette82 min
Jun 11, 6:09 PM CDTTornado WarningGRBBrown27 min
Jun 11, 6:44 PM CDTSevere Thunderstorm WarningGRBOconto17 min
Jun 11, 6:49 PM CDTSevere Thunderstorm WarningMQTIron56 min
Jun 11, 7:13 PM CDTSevere Thunderstorm WarningGRBOconto39 min
Jun 11, 7:22 PM CDTSevere Thunderstorm WarningGRBMarinette38 min
Jun 11, 9:46 PM CDTSevere Thunderstorm WarningGRBMarathon47 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.9 hours before the alert went out and 110 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2005-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2005-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
117 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
916 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 11:33 AM CDTMesoscale DiscussionSPCClare, Clinton, Crawford, Gladwin, Gratiot, Ionia and 9 more87 min
Jun 11, 3:38 PM CDTMesoscale DiscussionSPCBaraga, Dickinson, Iron, Menominee97 min
Jun 11, 6:34 PM CDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Iron, Menominee, Ontonagon86 min
Jun 11, 12:39 PM CDTMesoscale DiscussionSPCAdams, Barron, Brown, Buffalo, Burnett, Calumet and 44 more2 hr
Jun 11, 1:10 PM CDTSevere Thunderstorm WatchSPCAdams, Barron, Buffalo, Burnett, Chippewa, Clark and 30 more6 hr
Jun 11, 5:04 PM CDTMesoscale DiscussionSPCBayfield, Burnett, Douglas, Sawyer, Washburn86 min

Nearby

Severe Thunderstorm Watches in Wisconsin, 2005Severe Thunderstorm Watches in Michigan, 2005Every severe thunderstorm watch in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.