Storm reports for September 12, 2021

Name: NOAA storm reports, United States, September 12, 2021
Creator: NOAA/NWS Storm Prediction Center

NOAA recorded 21 hail reports, 22 wind reports and 1 tornado report in 8 states on September 12, 2021.

in 8 states; 44
Storm reports: About 39 miles from Lansing, MI; 2.5 in
Largest hail: Near 38.48, -101.35, KS; 70 mph
Highest gust: Highest rating EF1, about 35 miles from Rochester, NY; 1
Tornado reports

Hail, inches

0.75
1
1.5
2
2.5
3+

Dots: reports. Shading: radar estimate.

Wind report
Tornado and its path
Surveyed tornado path

Sources: NOAA/NWS Storm Prediction Center reports; radar hail estimates from NOAA MRMS; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

0.75
1
1.5
2
2.5
3+

Dots: reports. Shading: radar estimate.

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 September 12, 2021 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.

Reports by hour

Hail21, most at 4 PM

Wind22, most at 7 PM

Tornado1, most at 11 PM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

Time	Rating	Where	Path
11:57 PM	EF1	About 35 miles from Rochester, NY	0.8 mi long, 75 yd wide

Time	Size	Where
3:04 PM	1.0 in	About 46 miles from Grand Rapids, MI
4:01 PM	2.5 in	About 39 miles from Lansing, MI
4:09 PM	0.75 in	About 13 miles from Milwaukee, WI
4:10 PM	1.0 in	About 13 miles from Milwaukee, WI
4:10 PM	0.75 in	About 10 miles from Milwaukee, WI
4:10 PM	1.0 in	About 14 miles from Milwaukee, WI
4:11 PM	0.75 in	About 12 miles from Milwaukee, WI
4:22 PM	2.0 in	About 30 miles from Flint, MI
4:28 PM	0.75 in	About 9 miles from Milwaukee, WI
4:34 PM	1.75 in	About 27 miles from Flint, MI
4:38 PM	1.0 in	About 20 miles from Flint, MI
4:40 PM	1.75 in	About 24 miles from Flint, MI

Show all 21 hail reports

Time	Size	Where
4:44 PM	1.0 in	About 16 miles from Flint, MI
5:35 PM	1.0 in	About 36 miles from Grand Rapids, MI
5:51 PM	1.0 in	About 27 miles from Grand Rapids, MI
6:15 PM	1.0 in	About 41 miles from Grand Rapids, MI
2:41 AM	0.75 in	About 10 miles from Madison, WI
3:34 AM	0.75 in	About 16 miles from Milwaukee, WI
3:40 AM	0.75 in	About 12 miles from Milwaukee, WI
3:43 AM	0.75 in	About 8 miles from Milwaukee, WI
4:05 AM	0.88 in	About 9 miles from Milwaukee, WI

Time	Gust	Where
3:45 PM	60 mph	About 55 miles from Grand Rapids, MI
5:57 PM	59 mph	Near 39.53, -103.02, CO
6:45 PM	58 mph	About 24 miles from Flint, MI
7:12 PM	63 mph	About 24 miles from Flint, MI
7:16 PM	60 mph	Near 38.76, -103.04, CO
7:29 PM	63 mph	About 15 miles from Flint, MI
7:42 PM	63 mph	About 17 miles from Flint, MI
7:44 PM	58 mph	About 22 miles from Flint, MI
8:12 PM	63 mph	About 46 miles from Flint, MI
8:24 PM	63 mph	About 48 miles from Detroit, MI
9:30 PM	70 mph	Near 38.48, -101.35, KS
10:40 PM	58 mph	About 14 miles from Erie, PA

Show all 22 wind reports

Time	Gust	Where
10:48 PM	59 mph	About 39 miles from Buffalo, NY
10:55 PM	59 mph	About 43 miles from Erie, PA
10:57 PM	59 mph	About 35 miles from Buffalo, NY
11:14 PM	59 mph	About 44 miles from Buffalo, NY
11:22 PM	59 mph	About 50 miles from Buffalo, NY
11:26 PM	59 mph	About 4 miles from Buffalo, NY
12:07 AM	59 mph	Near 43.07, -108.45, WY
2:34 AM	58 mph	About 16 miles from Boston, MA
4:44 AM	58 mph	About 17 miles from Boston, MA
5:02 AM	62 mph	Near 41.74, -106.84, WY

By state

State	Reports	Hail	Wind	Tornado
Michigan	18	10	8	0
Wisconsin	11	11	0	0
New York	7	0	6	1
Colorado	2	0	2	0
Massachusetts	2	0	2	0
Wyoming	2	0	2	0
Kansas	1	0	1	0
Pennsylvania	1	0	1	0

Cities with reports nearby

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

City	Largest hail	Highest gust
Milwaukee, WI	1.0 in	None
Madison, WI	0.75 in	None
Buffalo, NY	None	59 mph
Erie, PA	None	58 mph
Flint, MI	None	63 mph

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