Alert archive / Minnesota / Heat Advisories in 2023

Heat Advisory 6, NWS Twin Cities, MN

August 21, 202341 counties in Minnesota; 8 counties in Wisconsin

NWS Twin Cities, MN issued this heat advisory at Aug 21, 2023, 3:15 AM CDT for 41 counties in Minnesota; 8 counties in Wisconsin. It took effect at Aug 22, 2023, 11:00 AM CDT. It was in force for 56 hr.

The area

The counties it named.

The facts

Issued: Aug 21, 2023, 3:15 AM CDT (08:15 UTC)
In effect from: Aug 22, 2023, 11:00 AM CDT
Expired: Aug 24, 2023, 7:00 PM CDT
In force: 56 hr
Issued by: NWS Twin Cities, MN

All 49 counties

Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison 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, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Waseca County, MN, Washington County, MN, Wright County, MN, Yellow Medicine County, MN, Barron 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

The radar

The Minneapolis radar (KMPX), 23 km from the middle of the area, began a volume at 08:19 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.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this heat advisory went out at Aug 20, 6:50 PM CDT, 8 hours 25 minutes earlier.

Area forecast discussion, Aug 20, 6:50 PM CDT, 8 hours 25 minutes before

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Hazardous weather outlook, Aug 20, 9:37 PM CDT, 5 hours 38 minutes before

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Nearby

Heat Advisories in Minnesota, 2023 Heat Advisories in Wisconsin, 2023 Every heat advisory in 2023

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.