Wisconsin, 1999

Hail and Lightning Strike in Wisconsin, June 11, 1999

June 11, 1999 · NWS GRB · 3 events in 2 counties and zones

The combination of a stationary front across Wisconsin and an unstable atmosphere led to the development of thunderstorms. Large hail fell as the storms passed through Winnebago and Outagamie counties.

Where it happened

Every event with a place to put it; 1 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$1,000
Crop damage
None recorded
Events
3

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 GRB wrote it up.

The combination of a stationary front across Wisconsin and an unstable atmosphere led to the development of thunderstorms. Large hail fell as the storms passed through Winnebago and Outagamie counties. Lightning destroyed a shed in Zittau (Winnebago county).

The radar

The Green Bay radar (KGRB), 42 km away, was scanning. The volume nearest the first event began at 19:56 UTC.

Open the radar archive at this moment

Event by event

2 hail, 1 lightning. Local standard time, as filed.

Hail, Outagamie

When
June 11, 1:55 PM CST
Where
Outagamie County, 7 mi W of Appleton
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
44.270, -88.530

Hail, Winnebago

When
June 11, 2:05 PM CST
Where
Winnebago County, Oshkosh
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
44.020, -88.550

Lightning, Winnebago

When
June 11, 2:40 PM CST
Where
Winnebago County, Zittau
Property damage
$1,000
Reported by
LAW ENFORCEMENT
Coordinates
44.069, -88.645 (the zone’s center; the record gives no point)

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Lightning
A lightning strike that killed, injured or caused damage.

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: 5703544, 5703543, 5703545.