Alert archive / Iowa / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 422

June 13, 200130 counties in Iowa; 26 counties in Minnesota; 5 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 2001, 10:30 PM CDT for 30 counties in Iowa; 26 counties in Minnesota; 5 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2001, 10:30 PM CDT (03:30 UTC)
Expired
Jun 14, 2001, 4:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 61 counties

Audubon County, IA, Boone County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Dallas County, IA, Emmet County, IA, Floyd County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Marshall County, IA, Mitchell County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Shelby County, IA, Story County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA, Anoka County, MN, Blue Earth County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Le Sueur County, MN, Martin County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Ramsey 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, Wright County, MN, Barron County, WI, Dunn County, WI, Pierce County, WI, Polk County, WI, Saint Croix County, WI

The radar

The Des Moines radar (KDMX), 166 km from the middle of the area, began a volume at 03:32 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

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

IssuedProductOfficeCountiesLasted
Jun 13, 10:38 PM CDTSevere Thunderstorm WarningMPXFaribault, Waseca37 min
Jun 13, 10:56 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott, Steele34 min
Jun 13, 11:05 PM CDTSevere Thunderstorm WarningMPXFreeborn40 min
Jun 13, 11:24 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue56 min
Jun 13, 11:55 PM CDTSevere Thunderstorm WarningMPXPepin, Pierce50 min
Jun 14, 12:28 AM CDTFlash Flood WarningMPXFaribault, Freeborn3 hr
Jun 14, 12:58 AM CDTFlash Flood WarningARXDodge3 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.5 hours before the alert went out and 182 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 2001-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4556 joules per kilogram.LCLEL10008507005003002001001 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 2001-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
4556 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
3.1
Supercell composite
20.8

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
Jun 13, 7:30 PM CDTTornado WatchSPCClay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more6 hr
Jun 14, 12:00 AM CDTTornado WatchSPCAdair, Adams, Cass, Fremont, Madison, Mills and 5 more5 hr
Jun 14, 3:30 PM CDTTornado WatchSPCAdair, Appanoose, Black Hawk, Boone, Bremer, Butler and 43 more6 hr
Jun 14, 4:15 PM CDTSevere Thunderstorm WatchSPCBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more5 hr
Jun 14, 5:45 PM CDTSevere Thunderstorm WatchSPCAllamakee, Clayton, Fayette, Winneshiek5 hr
Jun 14, 3:15 PM CDTSevere Thunderstorm WatchSPCBrown, Calumet, Columbia, Dane, Dodge, Fond du Lac and 17 more6 hr
Jun 14, 6:30 PM CDTSevere Thunderstorm WatchSPCAdams, Calumet, Columbia, Dane, Dodge, Fond du Lac and 16 more6 hr

Nearby

Severe Thunderstorm Watches in Iowa, 2001Severe Thunderstorm Watches in Minnesota, 2001Severe Thunderstorm Watches in Wisconsin, 2001Every severe thunderstorm watch in 2001

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.