Alert archive / Wisconsin / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 514

June 23, 20047 counties in Minnesota; 23 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 23, 2004, 4:05 PM CDT for 7 counties in Minnesota; 23 counties in Wisconsin. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 23, 2004, 4:05 PM CDT (21:05 UTC)
Expired
Jun 23, 2004, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 30 counties

Fillmore County, MN, Goodhue County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Lincoln County, WI, Marathon County, WI, Marquette County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Portage County, WI, Saint Croix County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 101 km from the middle of the area, began a volume at 21:07 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

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

IssuedProductOfficeCountiesLasted
Jun 23, 4:52 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice38 min
Jun 23, 5:08 PM CDTSevere Thunderstorm WarningARXWabasha82 min
Jun 23, 5:08 PM CDTSevere Thunderstorm WarningMPXPepin, Pierce52 min
Jun 23, 5:30 PM CDTSevere Thunderstorm WarningARXFillmore45 min
Jun 23, 5:43 PM CDTSevere Thunderstorm WarningMPXEau Claire47 min
Jun 23, 5:45 PM CDTSevere Thunderstorm WarningARXTrempealeau75 min
Jun 23, 6:10 PM CDTSevere Thunderstorm WarningARXHouston35 min
Jun 23, 6:14 PM CDTSevere Thunderstorm WarningARXClark, Jackson61 min
Jun 23, 6:27 PM CDTSevere Thunderstorm WarningARXCrawford, Vernon63 min
Jun 23, 6:39 PM CDTSevere Thunderstorm WarningARXMonroe66 min
Jun 23, 6:46 PM CDTSevere Thunderstorm WarningGRBWood59 min
Jun 23, 6:50 PM CDTTornado WarningARXJackson25 min
Jun 23, 7:02 PM CDTSevere Thunderstorm WarningARXJuneau58 min
Jun 23, 7:06 PM CDTTornado WarningARXMonroe9 min
Jun 23, 7:10 PM CDTSevere Thunderstorm WarningARXAdams65 min
Jun 23, 7:16 PM CDTTornado WarningARXJuneau29 min
Jun 23, 7:18 PM CDTSevere Thunderstorm WarningGRBPortage57 min
Jun 23, 7:25 PM CDTTornado WarningARXAdams50 min
Jun 23, 7:28 PM CDTSevere Thunderstorm WarningMKXMarquette47 min
Jun 23, 7:49 PM CDTTornado WarningMKXMarquette56 min
Jun 23, 7:55 PM CDTTornado WarningGRBPortage35 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, 9.1 hours before the alert went out and 172 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 2004-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2004-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1508 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 10:17 AM CDTMesoscale DiscussionSPCAitkin, Anoka, Becker, Beltrami, Benton, Carlton and 34 more118 min
Jun 23, 10:50 AM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Cass, Clay, Clearwater, Hubbard and 5 more5 hr
Jun 23, 12:17 PM CDTMesoscale DiscussionSPCBig Stone, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 29 more88 min
Jun 23, 12:45 PM CDTSevere Thunderstorm WatchSPCBig Stone, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 32 more6 hr
Jun 23, 1:24 PM CDTMesoscale DiscussionSPCBecker, Cass, Crow Wing, Grant, Hubbard, Otter Tail and 2 more66 min
Jun 23, 3:45 PM CDTMesoscale DiscussionSPCBlue Earth, Brown, Carver, Cottonwood, Dakota, Dodge and 23 more90 min
Jun 23, 11:23 AM CDTMesoscale DiscussionSPCGreen, Jefferson, Kenosha, Lafayette, Milwaukee, Racine and 3 more2 hr
Jun 23, 5:00 PM CDTSevere Thunderstorm WatchSPCColumbia, Crawford, Dane, Dodge, Grant, Green and 13 more6 hr
Jun 23, 6:34 PM CDTMesoscale DiscussionSPCAdams, Calumet, Columbia, Dodge, Fond du Lac, Green Lake and 14 more116 min
Jun 23, 6:40 PM CDTSevere Thunderstorm WatchSPCBrown, Calumet, Door, Fond du Lac, Green Lake, Kewaunee and 9 more5 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 2004Severe Thunderstorm Watches in Minnesota, 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.