Alert archive / Minnesota / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 464

June 24, 200227 counties in Minnesota; 11 counties in Wisconsin

The Storm Prediction Center issued this severe thunderstorm watch at Jun 24, 2002, 4:00 PM CDT for 27 counties in Minnesota; 11 counties in Wisconsin. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 24, 2002, 4:00 PM CDT (21:00 UTC)
Expired
Jun 24, 2002, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 38 counties

Anoka County, MN, Benton County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kandiyohi County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Nicollet County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Wabasha County, MN, Washington County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Trempealeau County, WI

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 24, 4:10 PM CDTSevere Thunderstorm WarningMPXStearns35 min
Jun 24, 5:02 PM CDTFlash Flood WarningMPXBenton, Sherburne, Stearns118 min
Jun 24, 5:09 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright51 min
Jun 24, 5:23 PM CDTFlash Flood WarningMPXChisago, Isanti97 min
Jun 24, 5:47 PM CDTSevere Thunderstorm WarningMPXAnoka43 min
Jun 24, 6:06 PM CDTSevere Thunderstorm WarningMPXPolk39 min
Jun 24, 7:17 PM CDTSevere Thunderstorm WarningMPXWright58 min
Jun 24, 7:42 PM CDTSevere Thunderstorm WarningMPXWright33 min
Jun 24, 7:51 PM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker39 min
Jun 24, 8:30 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright60 min
Jun 24, 8:57 PM CDTFlash Flood WarningMPXCarver, Hennepin, McLeod, Wright3 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.0 hours before the alert went out and 367 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, Aberdeen, SD at 12:00Z on 2002-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1036 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, Aberdeen, SD at 12:00Z on 2002-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 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
1036 J/kg
Mixed-layer CIN
-343 J/kg
Mixed-layer LCL
1548 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 5:45 PM CDTSevere Thunderstorm WatchSPCLac qui Parle, Lincoln, Lyon, Murray, Nobles, Pipestone and 2 more5 hr

Nearby

Severe Thunderstorm Watches in Minnesota, 2002Severe Thunderstorm Watches in Wisconsin, 2002Every severe thunderstorm watch in 2002

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.