Alert archive / Minnesota / Mesoscale Discussions in 2007

Mesoscale Discussion 1727

August 11, 200720 counties in Minnesota; 16 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Aug 11, 2007, 8:45 PM CDT for 20 counties in Minnesota; 16 counties in Wisconsin. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued: Aug 11, 2007, 8:45 PM CDT (01:45 UTC)
Expired: Aug 11, 2007, 10:15 PM CDT
In force: 90 min
Issued by: the Storm Prediction Center

All 36 counties

Blue Earth County, MN, Chisago County, MN, Dakota County, MN, Dodge County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Houston County, MN, Le Sueur County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Winona County, MN, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Taylor County, WI, Trempealeau County, WI

The radar

The Minneapolis radar (KMPX), 98 km from the middle of the area, began a volume at 01:46 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 587Aug 11, 10:00 PM CDT

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 11, 9:43 PM CDT	Mesoscale Discussion	SPC	Fillmore, Houston	92 min
Aug 11, 9:57 PM CDT	Severe Thunderstorm Watch	SPC	Fillmore, Houston	5 hr
Aug 11, 11:46 PM CDT	Mesoscale Discussion	SPC	Fillmore, Freeborn, Houston, Mower, Winona	119 min
Aug 12, 1:20 AM CDT	Mesoscale Discussion	SPC	Calumet, Dane, Dodge, Fond du Lac, Grant, Green and 14 more	25 min

Nearby

Mesoscale Discussions in Minnesota, 2007 Mesoscale Discussions in Wisconsin, 2007 Every mesoscale discussion in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.