Thunderstorm Wind, Lake
- When
- September 11, 3:50 PM CST
- Where
- Lake County, Griffith
- Measured
- 58 kt (67 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.533, -87.433
Hail and Damaging Winds in Indiana, September 11, 2000
A line of severe thunderstorms, that developed in north central Illinois, moved into far northwest Indiana during the afternoon hours. As the thunderstorms moved across Lake County several reports of damaging winds and hail were reported.
Where it happened
Every event with a place to put it. 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
- None recorded
- 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 LOT wrote it up.
A line of severe thunderstorms, that developed in north central Illinois, moved into far northwest Indiana during the afternoon hours. As the thunderstorms moved across Lake County several reports of damaging winds and hail were reported. In the community of Griffith two downed trees closed State Highway 6 until crews could clean the area. In Portage, the strong winds downed trees and with hail small sheds were damaged.
The radar
The Chicago radar (KLOT), 55 km away, was scanning. The volume nearest the first event began at 21:51 UTC.
Event by event
2 thunderstorm wind, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Porter
- When
- September 11, 4:09 PM CST
- Where
- Porter County, 5 mi W of Porter
- Measured
- 60 kt (69 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.617, -87.150
Hail, Porter
- When
- September 11, 4:09 PM CST
- Where
- Porter County, 5 mi W of Porter
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.617, -87.150
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.
- 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
- Flood and Hail in Iowa, September 11, 2000
- Flash Flooding and Damaging Wind in Michigan, September 11 to 12, 2000
- Flooding and Hail in Indiana, September 11, 2000
- Flash Flood in Maryland, September 11, 2000
- Flash Flooding and Flood in Wisconsin, September 11, 2000
- Hail and Damaging Winds in Illinois, September 11, 2000
- Hail and Damaging Winds in Missouri, September 11, 2000
- Hail and Damaging Winds in Wisconsin, September 11, 2000
- Hail and Damaging Winds in Kansas, September 11, 2000
- Hail and Damaging Winds in Iowa, September 11, 2000
- Flooding and Hail in Illinois, September 11, 2000
- Hail and Damaging Winds in Illinois, September 11, 2000
More
Every storm in Indiana in 2000Every state in 2000This day in weather historyWarnings in Indiana, September 2000
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: 5174060, 5174061, 5174062.