Alert archive / Minnesota / Mesoscale Discussions in 2005
Mesoscale Discussion 2250
The Storm Prediction Center issued this mesoscale discussion at Sep 21, 2005, 7:26 PM CDT for 26 counties in Minnesota; 23 counties in Wisconsin. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- Sep 21, 2005, 7:26 PM CDT (00:26 UTC)
- Expired
- Sep 21, 2005, 9:00 PM CDT
- In force
- 94 min
- Issued by
- the Storm Prediction Center
All 49 counties
Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Nicollet County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Forest County, WI, Jackson County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Menominee County, WI, Oneida County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Saint Croix County, WI, Shawano County, WI, Taylor County, WI, Trempealeau County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 119 km from the middle of the area, began a volume at 00:28 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.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.4 hours before the alert went out and 290 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.
- Mixed-layer CAPE
- 186 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 2068 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 9:13 PM CDT | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Dakota, Dodge and 22 more | 92 min |
| Sep 22, 1:08 PM CDT | Mesoscale Discussion | SPC | Jefferson, Kenosha, Milwaukee, Racine, Rock, Walworth and 1 more | 2 hr |
| Sep 22, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Kenosha | 7 hr |
| Sep 22, 3:48 PM CDT | Mesoscale Discussion | SPC | Kenosha | 57 min |
Nearby
Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in Wisconsin, 2005Every mesoscale discussion in 2005
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.