Alert archive / Wisconsin / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 732

September 11, 20006 counties in Michigan; 32 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Sep 11, 2000, 6:15 PM EDT for 6 counties in Michigan; 32 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Sep 11, 2000, 6:15 PM EDT (22:15 UTC)
Expired
Sep 12, 2000, 12:00 AM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 38 counties

Baraga County, MI, Dickinson County, MI, Iron County, MI, Marquette County, MI, Menominee County, MI, Ontonagon County, MI, Adams County, WI, Brown County, WI, Calumet County, WI, Columbia County, WI, Crawford County, WI, Dodge County, WI, Florence County, WI, Fond du Lac County, WI, Forest County, WI, Green Lake County, WI, Juneau County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Marquette County, WI, Menominee County, WI, Monroe County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Richland County, WI, Sauk County, WI, Shawano County, WI, Vernon County, WI, Vilas County, WI, Washington County, WI, Waupaca County, WI, Waushara County, WI, Winnebago 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 11, 6:15 PM EDTSevere Thunderstorm WarningGRBLincoln, Oneida60 min
Sep 11, 7:24 PM EDTSevere Thunderstorm WarningGRBFlorence, Forest36 min
Sep 11, 7:28 PM EDTSevere Thunderstorm WarningMQTIron47 min
Sep 11, 7:32 PM EDTSevere Thunderstorm WarningARXLa Crosse, Monroe58 min
Sep 11, 7:35 PM EDTSevere Thunderstorm WarningARXMonroe55 min
Sep 11, 7:44 PM EDTSevere Thunderstorm WarningGRBWood61 min
Sep 11, 8:14 PM EDTSevere Thunderstorm WarningARXJuneau61 min
Sep 11, 8:36 PM EDTSevere Thunderstorm WarningMQTDelta, Menominee24 min
Sep 11, 8:45 PM EDTSevere Thunderstorm WarningMKXSauk60 min
Sep 11, 8:46 PM EDTSevere Thunderstorm WarningGRBMarinette44 min

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 343 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 2000-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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 2000-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939587897Sfc1 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
277 J/kg
Mixed-layer CIN
-297 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 10, 9:15 PM EDTSevere Thunderstorm WatchSPCAdams, Crawford, Green Lake, Jackson, Juneau, La Crosse and 10 more6 hr
Sep 11, 2:15 PM EDTTornado WatchSPCGrant, Iowa, Lafayette6 hr
Sep 11, 2:30 PM EDTSevere Thunderstorm WatchSPCGreen, Kenosha, Rock, Walworth6 hr
Sep 11, 4:30 PM EDTTornado WatchSPCBarron, Buffalo, Chippewa, Clark, Dunn, Eau Claire and 6 more5 hr

Nearby

Severe Thunderstorm Watches in Wisconsin, 2000Severe Thunderstorm Watches in Michigan, 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.