Michigan, 1999

Hail in Michigan, June 9, 1999

June 9, 1999 · NWS GRR · 2 events in 2 counties and zones

A weak upper air disturbance passing across southern Michigan triggered the development of severe thunderstorms that produced 3/4" diameter hail in Rives Junction (Jackson County) and Webberville (Ingham County).

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 GRR wrote it up.

A weak upper air disturbance passing across southern Michigan triggered the development of severe thunderstorms that produced 3/4" diameter hail in Rives Junction (Jackson County) and Webberville (Ingham County).

The radar

The Detroit radar (KDTX), 88 km away, was scanning. The volume nearest the first event began at 09:21 UTC.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Jackson

When
June 9, 4:22 AM EST
Where
Jackson County, Rives Jct
Measured
0.75 in hail
Reported by
NWS STORM SURVEY
Coordinates
42.380, -84.450

0.75" hail was observed in Rives Junction, and dime sized hail covered the ground there.

Hail, Ingham

When
June 9, 4:40 AM EST
Where
Ingham County, Webberville
Measured
0.75 in hail
Reported by
NWS STORM SURVEY
Coordinates
42.670, -84.170

0.75" hail was observed by the Webberville Police Department.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Michigan in 1999Every state in 1999This day in weather historyWarnings in Michigan, 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: 5708454, 5708455.