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Storm reports for August 2, 2015

NOAA recorded 233 hail reports, 129 wind reports and 5 tornado reports in 11 states on August 2, 2015.

in 11 states
367
Storm reports
Near 44.30, -84.32, MI
4.5 in
Largest hail
Near 44.89, -86.06, MI
90 mph
Highest gust
Highest rating EF1, about 52 miles from Flint, MI
5
Tornado reports
Sources: NOAA/NWS Storm Prediction Center reports; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

  • 0.75
  • 1
  • 1.5
  • 2
  • 2.5
  • 3+

Dots: reports.

  • Wind report
  • Tornado and its path
  • Surveyed tornado path

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on August 2, 2015 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report. NWS survey teams walked the shaded paths after the storm; each is drawn at the widest width they found, so it can look wider than the damage at any one spot.

What happened

At 3:50 p.m. EST on August 2, 2015, hail up to 4.5 inches across, slightly larger than softballs, fell a few miles north of West Branch in Ogemaw County, Michigan. It was the largest known hail in northern lower Michigan's history.1 About 350 structures there were damaged, with dented roofs and siding, and many vehicles were wrecked. NOAA's Storm Events Database lists $32.6 million in property damage.1 From about 3:08 p.m. EST, winds over 80 mph swept southern Leelanau County and downed thousands of trees. Two homes were destroyed, more than 700 were damaged, and the database lists $18.8 million in property damage.2 In Grand Traverse County, falling trees damaged vehicles and buildings. Nine buildings were destroyed and nearly 400 damaged, with $7.8 million in property damage listed.3

In the Chicago suburbs, a tent collapsed in a storm at an outdoor festival in Wood Dale at 1:35 p.m. CST. A 35-year-old man was killed and 20 people were injured, and one of them died in January 2016.4 At 7:38 p.m. CST, an EF1 tornado tracked 7.5 miles from Round Lake through Grayslake in Lake County, Illinois. Several homes and businesses had roof damage, and the database lists $1 million in property damage.5 In Wisconsin, softball-size hail 4 inches across fell at Abrams in Oconto County at 1:24 p.m. CST.6

Reports by hour

Hail233, most at 8 PM

Wind129, most at 6 PM

Tornado5, most at 3 PM

Reports per hour, Central time. Each row has its own scale.

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
3:25 PMEF0Near 41.00, -100.77, NE0.1 mi long, 10 yd wide
3:35 PMEF0Near 41.06, -100.77, NE0.1 mi long, 10 yd wide
5:39 PMEF1About 52 miles from Flint, MI6.95 mi long, 100 yd wide
6:21 PMEF1About 57 miles from Des Moines, IA4.97 mi long, 300 yd wide
8:38 PMEF1About 41 miles from Chicago, IL7.51 mi long, 300 yd wide

By state

StateReportsHailWindTornado
Michigan12142781
Wisconsin10896120
Illinois403271
Iowa272151
Minnesota191810
Missouri15690
Nebraska151122
Ohio11650
Indiana9090
New Mexico1100
Texas1010

Cities with reports nearby

Reports within 15 miles of the center of each city we track.

CityLargest hailHighest gustTornado reports
Milwaukee, WI3.0 inNone0
Davenport, IA2.0 inNone0
Green Bay, WI1.75 inNone0
Chicago, IL1.0 in69 mph0
Detroit, MI1.0 in60 mph0
Flint, MI1.0 in58 mph0
Dayton, OH0.75 in52 mph0
Ann Arbor, MINone58 mph0
Des Moines, IANone60 mph0
Grand Rapids, MINone60 mph0
South Bend, INNone60 mph0

Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.