Lightning, Ozaukee
- When
- August 10, 12:20 AM CST
- Where
- Ozaukee County, 1 mi NW of Port Washington
- Property damage
- $10,000
- Reported by
- NEWSPAPER
- Coordinates
- 43.403, -87.891 (the zone’s center; the record gives no point)
Hail and Lightning Strike in Wisconsin, August 10, 1999
A line of thunderstorms, associated with a cold front, pushed east/southeast across southeast Wisconsin at about 35 knots. Some of the cells became severe and dumped large hail.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $10,000
- Crop damage
- None recorded
- Events
- 4
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 MKX wrote it up.
A line of thunderstorms, associated with a cold front, pushed east/southeast across southeast Wisconsin at about 35 knots. Some of the cells became severe and dumped large hail. A bolt of lightning struck a residental home's roof and started an attic fire.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 hail, 1 lightning. Local standard time, as filed.
Hail, Milwaukee
- When
- August 10, 12:40 AM CST
- Where
- Milwaukee County, Milwaukee
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 43.030, -87.970
Hail, Waukesha
- When
- August 10, 1:00 AM CST
- Where
- Waukesha County, 1 mi SE of Muskego
- Measured
- 1 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.880, -88.120
Hail, Racine
- When
- August 10, 1:15 AM CST
- Where
- Racine County, 4 mi NE of Waterford
- Measured
- 0.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.800, -88.170
What these are
- Lightning
- A lightning strike that killed, injured or caused damage.
- 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
- Heat in Texas, August 10 to 12, 1999
- Flooding and Hail in Arizona, August 10 to 31, 1999
- Flash Flooding in Nebraska, August 10 to 11, 1999
- Flash Flood and Hail in Nebraska, August 10, 1999
- Flood in Colorado, August 10, 1999
- Tornadoes and Flash Flood in Colorado, August 10, 1999
- Tornadoes and Flash Flood in Colorado, August 10, 1999
- Damaging Wind and Lightning Strikes in Oklahoma, August 10, 1999
- Damaging Wind in Oklahoma, August 10, 1999
- Hail in Oregon, August 10, 1999
- Hail in Colorado, August 10, 1999
- Hail in Kansas, August 10 to 11, 1999
More
Every storm in Wisconsin in 1999Every state in 1999This day in weather historyWarnings in Wisconsin, August 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: 5719004, 5719001, 5719002, 5719003.