FloodZoneMap.org

Flash Flood — Polk, MN

Apr 23, 2022

Several rounds of severe thunderstorms traversed the region starting on the evening of April 22nd. Initially, large hail was the primary concern, with an increasingly tornadic environment heading into April 23rd. Both hail (up to 1.5 inches) and tornadoes were reported with this system.

Source: NOAA National Weather Service Storm Events Database (event 1034679). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Polk, MN

This event is one of many recorded floods in Polk County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Polk County flood data →

More Flood Stories

Flood$600.0M damage

West Polk, MN · Apr 17, 1997

The Red River crested in East Grand Forks on the 21st/22nd just over 54 feet, shattering the previous record by over 5 feet. Problems with the river gauge led to difficulties in obtaining stages.

Read the full account →
Flood$50K damage

Polk, MN · Apr 8, 2019

The snow took longer to melt on the Minnesota side of the northern Red River Valley, than it did in the southern Red River Valley. At the National Weather Service office in Grand Forks, the snow depth fell to zero on April 6th.

Read the full account →
Flood$2.0M damage

West Polk, MN · Apr 7, 2001

The winter brought 45.3 inches of snow to the Grand Forks-East Grand Forks area, which is slightly above the average of 40 inches. Snow water contents across Polk county ranged from 1.5 to 2.5 inches.

Read the full account →
Flash Flood

Polk, MN · May 30, 2016

By the early afternoon of May 30th, an area of surface low pressure had moved into north central South Dakota. A warm frontal boundary extended from the low up into east central North Dakota. South of this boundary, or south of U. S.

Read the full account →