Alert archive / Minnesota / Mesoscale Discussions in 2007

Mesoscale Discussion 1977

September 17, 20074 states

The Storm Prediction Center issued this mesoscale discussion at Sep 17, 2007, 6:03 PM CDT for 4 states. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Sep 17, 2007, 6:03 PM CDT (23:03 UTC)
Expired: Sep 17, 2007, 7:30 PM CDT
In force: 87 min
Issued by: the Storm Prediction Center

All 51 counties

Lyon County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Aitkin County, MN, Benton County, MN, Brown County, MN, Cass County, MN, Chippewa County, MN, Cottonwood County, MN, Crow Wing County, MN, Douglas County, MN, Hubbard County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wadena County, MN, Wright County, MN, Yellow Medicine County, MN, Cedar County, NE, Dakota County, NE, Dixon County, NE, Brookings County, SD, Clay County, SD, Deuel County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 105 km from the middle of the area, began a volume at 23:03 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 671Sep 17, 7:40 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
Sep 17, 3:11 PM CDT	Mesoscale Discussion	SPC	Buffalo, Dawson, Franklin, Furnas, Gosper, Harlan and 4 more	94 min

Nearby

Mesoscale Discussions in Minnesota, 2007 Mesoscale Discussions in South Dakota, 2007 Mesoscale Discussions in Iowa, 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.