Alert archive / Minnesota / Mesoscale Discussions in 2020

Mesoscale Discussion 1264

July 18, 202039 counties in Minnesota; 13 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jul 18, 2020, 3:12 PM CDT for 39 counties in Minnesota; 13 counties in Wisconsin. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Jul 18, 2020, 3:12 PM CDT (20:12 UTC)
Expired: Jul 18, 2020, 4:45 PM CDT
In force: 93 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch likely
Chance of a watch: 95%

All 52 counties

Aitkin County, MN, Anoka County, MN, Benton County, MN, Brown County, MN, Carlton County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Crow Wing County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Le Sueur County, MN, Lyon County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Pine 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, Swift County, MN, Todd County, MN, Washington County, MN, Wright County, MN, Yellow Medicine County, MN, Barron County, WI, Bayfield County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 20:12 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 382Jul 18, 3:55 PM CDT

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 7:57 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Becker, Beltrami, Benton, Big Stone and 31 more	2 hr
Jul 17, 9:03 PM CDT	Mesoscale Discussion	SPC	Carlton, Carver, Chisago, Dakota, Goodhue, Hennepin and 6 more	117 min
Jul 17, 10:25 PM CDT	Mesoscale Discussion	SPC	Aitkin, Benton, Big Stone, Carlton, Cass, Chippewa and 29 more	2 hr
Jul 17, 10:25 PM CDT	Severe Thunderstorm Watch	SPC	Anoka, Brown, Carver, Chippewa, Chisago, Dakota and 14 more	8 hr
Jul 17, 11:36 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Big Stone, Carlton, Carver and 35 more	114 min
Jul 18, 1:31 AM CDT	Mesoscale Discussion	SPC	Anoka, Brown, Carver, Chisago, Cottonwood, Dakota and 17 more	89 min
Jul 18, 4:02 AM CDT	Mesoscale Discussion	SPC	Wabasha	88 min
Jul 18, 3:53 PM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Anoka, Benton, Carlton, Carver, Cass and 25 more	8 hr
Jul 18, 6:15 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Carlton, Carver, Cass and 25 more	60 min
Jul 18, 11:00 AM CDT	Mesoscale Discussion	SPC	Dane, Green, Jefferson, Lafayette, Rock, Walworth and 1 more	2 hr

Nearby

Mesoscale Discussions in Minnesota, 2020 Mesoscale Discussions in Wisconsin, 2020 Every mesoscale discussion in 2020

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.