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Flash Flood Update; Rainfall and Storm Reports

8:06 PM Tuesday, June 18, 2024

FLASH FLOOD UPDATE

Flash flood warnings (green area on map) remain in effect through late this evening for much of northeast Minnesota and parts of north central Minnesota.

Flash Flood Warning until 11 PM Tonight including the Duluth and Superior areas.

-Flash flooding is ongoing or expected to begin shortly across Duluth.

-Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Flood Advisory has been issued for areas west and southwest of Duluth until 10:45 PM this evening.

Expect minor flooding in low-lying and poor drainage areas. Water over roadways. Ponding of water in urban and other areas is occurring or imminent.

-Flash flooding is occurring in areas of northeast Minnesota, primarily along and north of the Iron Range.

-The most intense flash flooding is occurring from Cook to Tower and north, including areas around Lake Vermillion where 4 to 6 inches or more of rain has fallen, and rain continues to fall as of 6:30 PM Tuesday.

-Significant flooding is expected to develop along the North Shore of Lake Superior as well.

-Rivers and streams will rise rapidly overnight which could cause new areas of flooding.

Additional Storm Reports from Tuesday, June 18, 2024

Rainfall Reports from Tuesday, June 18, 2024, as of 6:50 PM

1 E Iron Junction, MN: 5.00″
Mckinley, MN: 4.26″
Cook, MN: 4.01″
3 S Cohasset, MN: 3.91″
2 SW Side Lake, MN: 3.90″
Nashwauk, MN: 3.87″
1 NW Chisholm, MN: 3.82″
Grand Rapids, MN: 3.72″
Orr, MN: 3.62″
Skibo, MN: 3.58″
5 NNE Cook, MN: 3.30″
Hibbing, MN: 3.22″
Eveleth-Virginia, MN: 3.18″
Cass Lake, MN: 3.15″
Ely, MN: 2.87″
Bigfork, MN: 2.82″
Isabella, MN: 2.47″
Hill City, MN: 2.31″
Winton, MN: 2.23″
2 SSW Ely, MN: 2.22″
International Falls, MN: 1.59″
Littlefork, MN: 1.54″
Bay of Grand Marais, MN: 1.27″
Walker, MN: 1.00″
Brainerd, MN: 0.95″
Aitkin, MN: 0.91″
McGregor, MN: 0.74″
Saginaw, MN: 0.66″
Duluth Airport: 0.37″
Moose Lake, MN: 0.34″
Hinckley, MN: 0.18″

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The Northland experienced an extraordinary amount of moisture late this afternoon, with precipitable water levels reaching 2 inches or more, which is about the maximum typically observed in this region.

A cold front is now moving more swiftly out of central Minnesota this evening. However, until it fully passes, the Northland will still experience frequent showers and thunderstorms, resulting in heavy downpours.

Radar loop ends 7:34 PM Tuesday, June 18, 2024.

The showers and thunderstorms are expected to subside from west to east by late this evening, and Wednesday is anticipated to be a dry day, providing a break from the recent very wet conditions.

HRRR model simulated radar forecast through 7 AM Wednesday.

Thanks for reading!

Tim

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