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Storm reports for July 11, 2011

NOAA recorded 64 hail reports and 372 wind reports in 20 states on July 11, 2011.

in 20 states
436
Storm reports
Near 42.66, -102.12, NE
2.5 in
Largest hail
About 12 miles from Rockford, IL
86 mph
Highest gust
0
Tornado reports
Source: NOAA/NWS Storm Prediction Center

Hail, inches

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

Dots: reports.

  • Wind report

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on July 11, 2011 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report.

What happened

A fast-moving line of severe thunderstorms crossed northern Illinois and southern Lake Michigan on the morning of July 11, 2011, with wind gusts of 60 to 80 mph and widespread damage.1,2 Around 7:15 a.m. CDT, winds estimated at 70 to 80 mph hit Rockford, and around 7:20 a.m. in Poplar Grove the wind blew the roof off a house and destroyed a garage.1 The storms reached Chicago around 8 a.m., with gusts measured at 75 mph at Midway Airport and 63 mph at O'Hare Airport.2

That morning, storms with winds of 80 to 90 mph also struck Kent and Ottawa counties in southwest Michigan.2 The Storm Events Database lists $5 million in property damage in Kent County, where a tree ripped out by gusts up to 80 mph fell on a garage in Cutlerville and killed a 38-year-old man inside, and $2 million in Ottawa County around Holland.3,4

Around 9:30 p.m. CST, winds blew roofs off homes and severely damaged outbuildings in Estelline, Texas, where golf ball-size hail also fell.5,6 Hail 2.5 inches across fell at Gordon, Nebraska, at 4:30 p.m. MST.7

Sources

  1. 1. NWS Chicago: July 11, 2011 Severe Weather Summary
  2. 2. NOAA Storm Prediction Center: July 10-11, 2011 Derecho: The Cross Country Derecho of July 2011
  3. 3. NOAA NCEI Storm Events Database: Storm Events Database: Event 324726, thunderstorm wind, Kent County, Michigan
  4. 4. NOAA NCEI Storm Events Database: Storm Events Database: Event 324725, thunderstorm wind, Ottawa County, Michigan
  5. 5. NOAA NCEI Storm Events Database: Storm Events Database: Event 321385, thunderstorm wind, Hall County, Texas
  6. 6. NOAA NCEI Storm Events Database: Storm Events Database: Event 321387, hail, Hall County, Texas
  7. 7. NOAA NCEI Storm Events Database: Storm Events Database: Event 317492, hail, Sheridan County, Nebraska

Reports by hour

Hail64, most at 7 PM

Wind372, most at 7 AM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeSizeWhere
8:51 AM0.75 inAbout 38 miles from Grand Rapids, MI
1:30 PM0.88 inAbout 25 miles from Dayton, OH
1:55 PM0.75 inAbout 25 miles from Columbus, OH
2:00 PM1.75 inAbout 23 miles from Dayton, OH
2:09 PM1.0 inAbout 47 miles from Columbus, OH
2:15 PM0.88 inAbout 21 miles from Dayton, OH
2:30 PM1.75 inAbout 31 miles from Dayton, OH
2:46 PM0.88 inAbout 39 miles from Columbus, OH
2:48 PM1.25 inAbout 32 miles from Dayton, OH
2:54 PM1.0 inNear 39.53, -81.50, OH
3:06 PM0.75 inAbout 39 miles from Columbus, OH
3:08 PM1.0 inNear 39.42, -81.45, OH
Show all 64 hail reports
TimeSizeWhere
3:12 PM0.75 inNear 39.40, -81.45, WV
3:29 PM1.25 inAbout 35 miles from Dayton, OH
3:55 PM1.0 inNear 46.68, -68.02, ME
3:55 PM1.0 inAbout 48 miles from Cincinnati, OH
4:00 PM1.5 inAbout 46 miles from Cincinnati, OH
4:02 PM1.0 inNear 46.70, -68.05, ME
4:05 PM1.0 inNear 46.71, -68.06, ME
4:36 PM1.0 inNear 42.79, -102.63, NE
4:44 PM1.0 inNear 42.84, -103.40, NE
5:00 PM1.75 inNear 43.09, -104.35, WY
5:00 PM1.0 inNear 43.05, -104.37, WY
5:20 PM1.0 inNear 42.73, -102.46, NE
5:21 PM0.88 inAbout 38 miles from Huntington, WV
5:25 PM1.0 inNear 42.77, -102.51, NE
5:38 PM1.75 inNear 42.77, -102.39, NE
5:43 PM1.0 inAbout 28 miles from Hagerstown, MD
6:05 PM1.0 inNear 46.80, -68.20, ME
6:10 PM1.0 inNear 46.79, -68.18, ME
6:12 PM0.75 inNear 40.97, -103.29, CO
6:17 PM1.75 inNear 42.75, -102.27, NE
6:30 PM2.5 inNear 42.66, -102.12, NE
6:30 PM0.88 inAbout 34 miles from Dayton, OH
6:50 PM1.5 inAbout 26 miles from Dayton, OH
6:53 PM0.88 inAbout 24 miles from Dayton, OH
6:55 PM1.0 inAbout 25 miles from Dayton, OH
7:05 PM1.0 inNear 44.90, -107.02, WY
7:17 PM1.0 inAbout 45 miles from Dayton, OH
7:20 PM0.75 inNear 40.96, -103.12, CO
7:30 PM0.75 inAbout 52 miles from Columbus, OH
7:32 PM1.75 inNear 40.52, -103.54, CO
7:33 PM1.0 inNear 42.33, -102.14, NE
7:34 PM1.75 inAbout 47 miles from Indianapolis, IN
7:36 PM1.0 inAbout 10 miles from Dayton, OH
7:38 PM1.0 inNear 42.31, -102.14, NE
7:42 PM1.0 inAbout 6 miles from Dayton, OH
7:42 PM0.88 inAbout 5 miles from Dayton, OH
7:44 PM0.75 inAbout 12 miles from Dayton, OH
7:47 PM1.75 inNear 42.37, -102.11, NE
7:48 PM1.0 inAbout 39 miles from Dayton, OH
7:50 PM0.75 inAbout 10 miles from Dayton, OH
7:53 PM0.75 inAbout 17 miles from Dayton, OH
7:55 PM0.88 inAbout 10 miles from Dayton, OH
7:59 PM0.88 inAbout 29 miles from Dayton, OH
8:00 PM0.88 inNear 34.35, -101.30, TX
8:00 PM1.0 inAbout 24 miles from Amarillo, TX
8:09 PM1.0 inAbout 34 miles from Dayton, OH
8:29 PM0.75 inAbout 27 miles from Columbus, OH
8:35 PM1.0 inNear 42.29, -101.54, NE
8:35 PM1.0 inAbout 22 miles from Amarillo, TX
8:46 PM0.75 inAbout 8 miles from Dayton, OH
10:35 PM1.75 inNear 34.55, -100.43, TX
4:15 AM1.0 inAbout 46 miles from Amarillo, TX

By state

StateReportsHailWindTornado
Ohio10531740
Illinois850850
Indiana463430
Michigan411400
Maryland240240
Virginia210210
Nebraska191180
Kentucky180180
West Virginia182160
Texas11560
Wyoming11380
Wisconsin100100
Pennsylvania9090
Maine7520
Mississippi4040
Colorado3300
Arizona1010
Idaho1010
North Carolina1010
Tennessee1010

Cities with reports nearby

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

CityLargest hailHighest gustTornado reports
Dayton, OH1.0 in77 mph0
Akron, OHNone59 mph0
Ann Arbor, MINone75 mph0
Baltimore, MDNone58 mph0
Canton, OHNone60 mph0
Chicago, ILNone75 mph0
Detroit, MINone60 mph0
Fort Wayne, INNone69 mph0
Grand Rapids, MINone81 mph0
Hagerstown, MDNone58 mph0
Jackson, MSNone58 mph0
Kalamazoo, MINone75 mph0
Kingsport, TNNone58 mph0
Milwaukee, WINone64 mph0
Pittsburgh, PANone58 mph0
Rockford, ILNone86 mph0
South Bend, INNone81 mph0
Toledo, OHNone63 mph0
Washington, DCNone58 mph0

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