Alert archive / Minnesota / Tornado Watches in 2008

Tornado Watch 359

May 25, 200815 counties in Iowa; 35 counties in Minnesota; 20 counties in Wisconsin

The Storm Prediction Center issued this tornado watch at May 25, 2008, 2:04 PM CDT for 15 counties in Iowa; 35 counties in Minnesota; 20 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 25, 2008, 2:04 PM CDT (19:04 UTC)
Expired
May 25, 2008, 7:57 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Particularly dangerous situation
Yes
Largest hail expected
3 in
Strongest gust expected
70 kt
All 70 counties

Allamakee County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clayton County, IA, Emmet County, IA, Fayette County, IA, Floyd County, IA, Hancock County, IA, Howard County, IA, Kossuth County, IA, Mitchell County, IA, Palo Alto County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Houston County, MN, Isanti County, MN, Kandiyohi County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Ramsey County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Winona County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Dunn County, WI, Eau Claire County, WI, Grant County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Richland County, WI, Rusk County, WI, Saint Croix County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The Minneapolis radar (KMPX), 72 km from the middle of the area, began a volume at 19:06 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
80%
One or more EF2 to EF5 tornadoes
50%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
60%
Ten or more severe hail reports
80%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 25, 3:04 PM CDTSevere Thunderstorm WarningMPXMeeker, Stearns, Wright56 min
May 25, 3:36 PM CDTSevere Thunderstorm WarningMPXMeeker, Sherburne, Wright54 min
May 25, 3:49 PM CDTTornado WarningMPXSherburne, Wright26 min
May 25, 4:01 PM CDTSevere Thunderstorm WarningMPXBenton, Meeker, Mille Lacs, Sherburne, Stearns, Wright59 min
May 25, 4:03 PM CDTTornado WarningDMXCerro Gordo, Franklin42 min
May 25, 4:03 PM CDTTornado WarningMPXHennepin, Wright27 min
May 25, 4:13 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti, Washington62 min
May 25, 4:26 PM CDTTornado WarningARXFloyd34 min
May 25, 4:37 PM CDTTornado WarningMPXAnoka, Ramsey, Washington23 min
May 25, 4:41 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright49 min
May 25, 4:56 PM CDTTornado WarningMPXAnoka, Ramsey, Washington34 min
May 25, 5:02 PM CDTSevere Thunderstorm WarningMPXHennepin28 min
May 25, 5:09 PM CDTSevere Thunderstorm WarningMPXPolk51 min
May 25, 5:13 PM CDTTornado WarningMPXPolk, Saint Croix47 min
May 25, 5:16 PM CDTSevere Thunderstorm WarningARXChickasaw, Floyd29 min
May 25, 5:17 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti, Washington43 min
May 25, 5:25 PM CDTSevere Thunderstorm WarningMPXAnoka, Ramsey, Washington35 min
May 25, 5:31 PM CDTSevere Thunderstorm WarningARXHoward, Winneshiek29 min
May 25, 5:33 PM CDTSevere Thunderstorm WarningARXFayette42 min
May 25, 5:42 PM CDTSevere Thunderstorm WarningMPXBarron48 min
May 25, 5:47 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix58 min
May 25, 5:50 PM CDTTornado WarningMPXBarron, Dunn40 min
May 25, 6:00 PM CDTSevere Thunderstorm WarningMPXWashington30 min
May 25, 6:10 PM CDTTornado WarningARXFayette35 min
May 25, 6:24 PM CDTSevere Thunderstorm WarningMPXDunn51 min
May 25, 6:26 PM CDTSevere Thunderstorm WarningMPXDunn, Pierce49 min
May 25, 6:28 PM CDTSevere Thunderstorm WarningMPXChippewa, Rusk62 min
May 25, 6:29 PM CDTSevere Thunderstorm WarningARXClayton76 min
May 25, 6:51 PM CDTSevere Thunderstorm WarningMPXChippewa, Dunn, Eau Claire54 min
May 25, 7:08 PM CDTSevere Thunderstorm WarningARXClark, Taylor82 min
May 25, 7:13 PM CDTTornado WarningMPXDunn, Eau Claire32 min
May 25, 7:22 PM CDTSevere Thunderstorm WarningARXGrant68 min
May 25, 7:32 PM CDTSevere Thunderstorm WarningARXFayette43 min
May 25, 7:38 PM CDTSevere Thunderstorm WarningMPXChippewa, Dunn, Eau Claire, Pepin51 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, 7.1 hours before the alert went out and 74 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 2008-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 2008-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939587897117Sfc1 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
58 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
641 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
-3.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 9:01 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more59 min
May 25, 12:43 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Boone, Bremer, Butler, Calhoun and 27 more92 min
May 25, 3:30 PM CDTTornado Watch PDSSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 55 more5 hr
May 25, 5:08 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Butler and 21 more67 min
May 24, 8:07 PM CDTTornado WatchSPCBecker, Clay, Grant, Kittson, Mahnomen, Marshall and 7 more3 hr
May 24, 9:26 PM CDTMesoscale DiscussionSPCBecker, Clay, Clearwater, Douglas, Grant, Kittson and 9 more2 hr
May 25, 9:56 AM CDTMesoscale DiscussionSPCBenton, Carlton, Cook, Isanti, Kanabec, Mille Lacs and 4 more94 min
May 25, 2:25 PM CDTMesoscale DiscussionSPCAitkin, Beltrami, Carlton, Cass, Crow Wing, Hubbard and 10 more35 min
May 25, 2:45 PM CDTTornado WatchSPCAitkin, Beltrami, Benton, Carlton, Cass, Cook and 14 more6 hr
May 25, 6:01 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Carlton, Carver, Cass and 20 more59 min

Nearby

Tornado Watches in Minnesota, 2008Tornado Watches in Wisconsin, 2008Tornado Watches in Iowa, 2008Every tornado watch in 2008

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.