Alert archive / Wisconsin / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 727

September 10, 200015 counties in Iowa; 6 counties in Minnesota; 16 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Sep 10, 2000, 8:15 PM CDT for 15 counties in Iowa; 6 counties in Minnesota; 16 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Sep 10, 2000, 8:15 PM CDT (01:15 UTC)
Expired
Sep 11, 2000, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 37 counties

Allamakee County, IA, Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Grundy County, IA, Hardin County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Worth County, IA, Fillmore County, MN, Freeborn County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Winona County, MN, Adams County, WI, Crawford County, WI, Green Lake County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Marathon County, WI, Marquette County, WI, Monroe County, WI, Portage County, WI, Richland County, WI, Sauk County, WI, Trempealeau County, WI, Vernon County, WI, Waushara County, WI, Wood County, WI

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 10, 8:47 PM CDTSevere Thunderstorm WarningDMXWorth28 min
Sep 10, 8:47 PM CDTSevere Thunderstorm WarningARXWinona58 min
Sep 10, 8:49 PM CDTSevere Thunderstorm WarningARXFillmore, Mower56 min
Sep 10, 8:53 PM CDTSevere Thunderstorm WarningARXMitchell52 min
Sep 10, 9:42 PM CDTSevere Thunderstorm WarningARXWinona63 min
Sep 10, 9:43 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau77 min
Sep 10, 10:13 PM CDTSevere Thunderstorm WarningARXMower62 min
Sep 10, 10:33 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau57 min
Sep 11, 12:15 AM CDTSevere Thunderstorm WarningGRBLincoln, Marathon45 min
Sep 11, 1:45 AM CDTFlash Flood WarningGRBLincoln, Marathon2 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.3 hours before the alert went out and 199 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 2000-09-11Temperature 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 00:00Z on 2000-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2354 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 1:15 PM CDTTornado WatchSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 21 more6 hr
Sep 11, 3:30 PM CDTTornado WatchSPCAllamakee, Howard, Mitchell, Winneshiek5 hr
Sep 11, 4:45 PM CDTSevere Thunderstorm WatchSPCAppanoose, Clarke, Davis, Decatur, Henry, Jefferson and 8 more5 hr
Sep 11, 1:30 PM CDTSevere Thunderstorm WatchSPCGreen, Kenosha, Rock, Walworth6 hr
Sep 11, 5:15 PM CDTSevere Thunderstorm WatchSPCAdams, Brown, Calumet, Columbia, Crawford, Dodge and 26 more6 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 2000Severe Thunderstorm Watches in Iowa, 2000Severe Thunderstorm Watches in Minnesota, 2000Every severe thunderstorm watch in 2000

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.