Wisconsin, 1999

Damaging Wind in Wisconsin, June 6, 1999

June 6, 1999 · NWS DLH · 1 event in 1 county or zone

Severe thunderstorm winds caused extensive damage at the Ashland county fairgrounds. A cow barn was destroyed and the grandstand was severely damaged.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
$150,000
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS DLH wrote it up.

Severe thunderstorm winds caused extensive damage at the Ashland county fairgrounds. A cow barn was destroyed and the grandstand was severely damaged. Some debris was blown 300 feet. Many trees were blown down. Half of a double-wide modular home was overturned elsewhere in Marengo. The wind speed was estimated based on the amount of damage.

The radar

The Duluth radar (KDLH), 116 km away, was scanning. The volume nearest the first event began at 01:25 UTC.

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Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Ashland

When
June 6, 7:25 PM CST
Where
Ashland County, Marengo
Measured
65 kt (75 mph)
Property damage
$150,000
Reported by
EMERGENCY MANAGER
Coordinates
46.420, -90.820

What these are

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 Wisconsin in 1999Every state in 1999This day in weather historyWarnings in Wisconsin, June 1999

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: 5704026.