Minnesota, 1997

Tornadoes and Hail in Minnesota, July 20, 1997

July 20, 1997 · NWS ARX · 7 events in 3 counties and zones

3 funnel cloud, 2 tornado, 1 hail, 1 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

The radar

The Minneapolis radar (KMPX), 109 km away, was scanning. The volume nearest the first event began at 23:32 UTC.

Open the radar archive at this moment

Event by event

3 funnel cloud, 2 tornado, 1 hail, 1 thunderstorm wind. Local standard time, as filed.

Tornado, Dodge

When
July 20, 5:33 PM CST to 5:35 PM CST
Where
Dodge County, 8 mi W of Byron
Rating
F0
Path length
0.2 mi
Path width
50 yd
Coordinates
44.030, -92.820

Funnel Cloud, Dodge

When
July 20, 6:00 PM CST to 6:15 PM CST
Where
Dodge County, Dodge Center
Coordinates
44.023, -92.862 (the zone’s center; the record gives no point)

Tornado, Dodge

When
July 20, 6:45 PM CST to 6:47 PM CST
Where
Dodge County, 2 mi SW of Dodge Center
Rating
F0
Path length
0.2 mi
Path width
50 yd
Coordinates
44.020, -92.880

Hail, Winona

When
July 20, 7:44 PM CST
Where
Winona County, 8 mi S of Utica
Measured
0.75 in hail
Coordinates
43.850, -91.970

Thunderstorm Wind, Winona

When
July 20, 7:44 PM CST
Where
Winona County, 8 mi S of Utica
Measured
52 kt (60 mph)
Coordinates
43.850, -91.970

Funnel Cloud, Winona

When
July 20, 7:46 PM CST
Where
Winona County, 2 mi S of Nodine
Coordinates
43.987, -91.779 (the zone’s center; the record gives no point)

Funnel Cloud, Fillmore

When
July 20, 8:35 PM CST
Where
Fillmore County, 1 mi N of Spring Valley
Coordinates
43.674, -92.090 (the zone’s center; the record gives no point)

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Minnesota in 1997Every state in 1997This day in weather historyThe tornado archive for Minnesota, 1997Warnings in Minnesota, July 1997

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5606844, 5606848, 5606845, 5606846, 5606847, 5606849, 5606850.