Alert archive / Wisconsin / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 540

June 27, 20057 counties in Minnesota; 12 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 27, 2005, 5:45 PM CDT for 7 counties in Minnesota; 12 counties in Wisconsin. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 27, 2005, 5:45 PM CDT (22:45 UTC)
Expired
Jun 27, 2005, 9:00 PM CDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Anoka County, MN, Chisago County, MN, Isanti County, MN, Kanabec County, MN, Pine County, MN, Ramsey County, MN, Washington County, MN, Barron County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 116 km from the middle of the area, began a volume at 22:44 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

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

IssuedProductOfficeCountiesLasted
Jun 27, 5:53 PM CDTSevere Thunderstorm WarningMPXIsanti52 min
Jun 27, 6:32 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn43 min
Jun 27, 6:34 PM CDTSevere Thunderstorm WarningMPXAnoka41 min
Jun 27, 6:40 PM CDTTornado WarningMPXAnoka, Ramsey35 min
Jun 27, 6:51 PM CDTSevere Thunderstorm WarningDLHBurnett54 min
Jun 27, 7:05 PM CDTTornado WarningMPXPolk25 min
Jun 27, 7:06 PM CDTSevere Thunderstorm WarningMPXRusk54 min
Jun 27, 7:25 PM CDTSevere Thunderstorm WarningMPXPierce50 min
Jun 27, 7:30 PM CDTSevere Thunderstorm WarningMPXBarron, Polk60 min
Jun 27, 7:33 PM CDTSevere Thunderstorm WarningDLHWashburn57 min
Jun 27, 7:44 PM CDTSevere Thunderstorm WarningMPXSaint Croix46 min
Jun 27, 8:03 PM CDTSevere Thunderstorm WarningMPXDunn57 min
Jun 27, 8:06 PM CDTSevere Thunderstorm WarningDLHSawyer39 min
Jun 27, 8:13 PM CDTSevere Thunderstorm WarningMPXRusk62 min
Jun 27, 8:32 PM CDTSevere Thunderstorm WarningMPXChippewa58 min
Jun 27, 8:34 PM CDTSevere Thunderstorm WarningDLHBayfield, Douglas41 min
Jun 27, 8:49 PM CDTSevere Thunderstorm WarningDLHSawyer31 min
Jun 27, 8:56 PM CDTSevere Thunderstorm WarningMPXDunn64 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

Minneapolis, MN (KMPX), launched 12:00Z, 10.8 hours before the alert went out and 171 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, Minneapolis, MN at 12:00Z on 2005-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 768 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, Minneapolis, MN at 12:00Z on 2005-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
768 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 7:08 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Hubbard, Lake of the Woods and 9 more2 hr
Jun 26, 7:40 PM CDTMesoscale DiscussionSPCAitkin, Carlton, Cass, Crow Wing, Itasca2 hr
Jun 26, 8:15 PM CDTSevere Thunderstorm WatchSPCClay, Kittson, Norman, Traverse, Wilkin8 hr
Jun 26, 9:58 PM CDTMesoscale DiscussionSPCClay, Kittson, Norman, Traverse, Wilkin92 min
Jun 26, 10:20 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Cass, Clearwater, Hubbard, Itasca and 8 more115 min
Jun 26, 11:45 PM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Cass, Clay, Clearwater, Hubbard and 11 more6 hr
Jun 27, 1:51 AM CDTMesoscale DiscussionSPCClay, Kittson, Marshall, Norman, Polk, Wilkin54 min
Jun 27, 2:59 AM CDTMesoscale DiscussionSPCHubbard, Koochiching61 min
Jun 27, 12:29 PM CDTMesoscale DiscussionSPCAitkin, Benton, Brown, Carlton, Cass, Chippewa and 22 more2 hr
Jun 27, 1:25 PM CDTSevere Thunderstorm WatchSPCAitkin, Benton, Carlton, Cass, Cook, Crow Wing and 8 more5 hr
Jun 27, 2:00 PM CDTSevere Thunderstorm WatchSPCAnoka, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 31 more7 hr
Jun 27, 3:37 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Blue Earth, Brown, Carlton and 53 more83 min
Jun 27, 6:02 PM CDTMesoscale DiscussionSPCAnoka, Blue Earth, Brown, Carver, Dakota, Dodge and 25 more118 min
Jun 27, 1:14 PM CDTMesoscale DiscussionSPCAdams, Crawford, Florence, Forest, Juneau, Langlade and 15 more2 hr
Jun 27, 3:55 PM CDTSevere Thunderstorm WatchSPCAshland, Bayfield, Florence, Forest, Iron, Langlade and 7 more7 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 2005Severe Thunderstorm Watches in Minnesota, 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.