Alert archive / Minnesota / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 407

June 7, 200427 counties in Minnesota; 4 counties in South Dakota; Douglas County, Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 7, 2004, 10:25 PM CDT for 27 counties in Minnesota; 4 counties in South Dakota; Douglas County, Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 7, 2004, 10:25 PM CDT (03:25 UTC)
Expired
Jun 8, 2004, 4:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 32 counties

Aitkin County, MN, Benton County, MN, Big Stone County, MN, Carlton County, MN, Chippewa County, MN, Cook County, MN, Crow Wing County, MN, Douglas County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lake County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pine County, MN, Pope County, MN, Renville County, MN, Saint Louis County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wright County, MN, Yellow Medicine County, MN, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Douglas County, WI

The radar

The Minneapolis radar (KMPX), 137 km from the middle of the area, began a volume at 03:28 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

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

IssuedProductOfficeCountiesLasted
Jun 7, 11:48 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift57 min
Jun 8, 12:13 AM CDTSevere Thunderstorm WarningMPXYellow Medicine47 min
Jun 8, 12:21 AM CDTSevere Thunderstorm WarningMPXKandiyohi54 min
Jun 8, 12:46 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns59 min
Jun 8, 1:14 AM CDTSevere Thunderstorm WarningMPXWright61 min
Jun 8, 1:29 AM CDTSevere Thunderstorm WarningMPXSherburne46 min
Jun 8, 1:54 AM CDTSevere Thunderstorm WarningMPXIsanti, Mille Lacs66 min
Jun 8, 2:16 AM CDTSevere Thunderstorm WarningMPXChippewa, Swift29 min
Jun 8, 2:18 AM CDTSevere Thunderstorm WarningMPXKanabec57 min
Jun 8, 2:28 AM CDTSevere Thunderstorm WarningMPXKandiyohi47 min
Jun 8, 2:53 AM CDTSevere Thunderstorm WarningMPXMeeker52 min
Jun 8, 3:30 AM CDTSevere Thunderstorm WarningMPXWright60 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 00:00Z, 3.4 hours before the alert went out and 135 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 00:00Z on 2004-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1588 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 00:00Z on 2004-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.19395878Sfc1 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
1588 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
2423 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 7:08 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Carlton, Carver, Chisago and 14 more2 hr
Jun 7, 9:46 PM CDTMesoscale DiscussionSPCChippewa, Kandiyohi, Lac qui Parle, Lincoln, Lyon, McLeod and 8 more119 min
Jun 8, 12:42 AM CDTMesoscale DiscussionSPCAnoka, Brown, Carver, Chisago, Dakota, Dodge and 17 more63 min
Jun 8, 12:55 AM CDTSevere Thunderstorm WatchSPCAnoka, Carver, Chisago, Dakota, Goodhue, Hennepin and 10 more3 hr
Jun 8, 2:08 AM CDTMesoscale DiscussionSPCAitkin, Benton, Carlton, Chippewa, Cook, Crow Wing and 14 more67 min
Jun 8, 3:02 AM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Carlton, Carver, Chisago and 23 more58 min
Jun 8, 3:29 PM CDTMesoscale DiscussionSPCBlue Earth, Dodge, Faribault, Fillmore, Freeborn, Goodhue and 10 more2 hr
Jun 8, 5:00 PM CDTSevere Thunderstorm WatchSPCFreeborn6 hr

Nearby

Severe Thunderstorm Watches in Minnesota, 2004Severe Thunderstorm Watches in South Dakota, 2004Severe Thunderstorm Watches in Wisconsin, 2004Every severe thunderstorm watch in 2004

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.