Storm reports for April 9, 2017

On April 9, 2017, 145 hail, 45 damaging-wind and 2 tornado reports were logged across 8 states.

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145hail reports

45damaging-wind reports

2tornado reports

2.50″largest hail reported

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

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Other storms on April 9 →

On April 9, 2017, 145 hail, 45 damaging-wind and 2 tornado reports were logged across 8 states. The largest hail reported was 2.50″ (tennis ball size) in Mitchell County, IA.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.

Storm reports by state

State	Hail	Wind	Tornado	Largest hail
WI	40	10	1	1.75″
NE	25	19	1	2.00″
IA	35	3	0	2.50″
MN	22	0	0	2.00″
MI	8	9	0	1.75″
IL	8	3	0	1.75″
MO	3	1	0	1.25″
KS	4	0	0	1.25″

Cities with hail reported within 5 miles

City	Population	Largest report
Dodge Center, MN	2,939	2.00″
Mount Vernon, IA	4,518	1.75″
Fort Dodge, IA	24,886	1.25″
Sugar Grove, IL	9,339	1.25″
Knoxville, IA	7,440	1.25″
Byron, MN	6,809	1.25″
Trenton, MO	5,588	1.25″
Garner, IA	3,049	1.25″
Racine, WI	78,057	1.00″
Mount Pleasant, WI	28,184	1.00″
Mason City, IA	26,948	1.00″
Austin, MN	26,690	1.00″
Pella, IA	10,965	1.00″
Fort Madison, IA	9,983	1.00″
Clear Lake, IA	7,602	1.00″
Iron Mountain, MI	7,524	1.00″
Kasson, MN	7,207	1.00″
Stewartville, MN	6,919	1.00″
Sturtevant, WI	6,855	1.00″
Kingsford, MI	5,125	1.00″
Falls City, NE	4,044	1.00″
Black River Falls, WI	3,563	1.00″
Plainview, MN	3,498	1.00″
Tomahawk, WI	3,390	1.00″
Kewaunee, WI	2,808	1.00″

Hail reports (145)

Time (UTC)	Size	Location
03:00	2.50″	Mitchell County, IA
23:16	2.00″	Kearney County, NE
03:50	2.00″	Dodge County, MN
06:30	1.75″	Marquette County, MI
07:00	1.75″	Linn County, IA
07:00	1.75″	Linn County, IA
07:05	1.75″	Linn County, IA
11:28	1.75″	Oceana County, MI
11:58	1.75″	Iroquois County, IL
22:43	1.75″	Phelps County, NE
23:43	1.75″	Franklin County, NE
23:45	1.75″	Webster County, NE
00:29	1.75″	Clay County, NE
03:19	1.75″	Buffalo County, WI
04:28	1.75″	Vilas County, WI
04:40	1.75″	Richardson County, NE
07:15	1.50″	Jones County, IA
23:45	1.50″	Adams County, NE
00:54	1.50″	Thayer County, NE
01:04	1.50″	Fillmore County, NE
01:31	1.50″	Jefferson County, NE
02:40	1.50″	Worth County, IA
03:15	1.50″	Olmsted County, MN
03:17	1.50″	Mower County, MN
06:02	1.25″	Mahaska County, IA
07:15	1.25″	Grundy County, MO
09:27	1.25″	McHenry County, IL
09:43	1.25″	Kane County, IL
01:20	1.25″	Webster County, IA
01:49	1.25″	Olmsted County, MN
02:05	1.25″	Hancock County, IA
02:47	1.25″	Mitchell County, IA
02:58	1.25″	Mitchell County, IA
03:17	1.25″	Olmsted County, MN
03:19	1.25″	Olmsted County, MN
03:30	1.25″	Cerro Gordo County, IA
03:32	1.25″	Buffalo County, WI
04:08	1.25″	Pawnee County, NE
05:03	1.25″	Nemaha County, KS
05:32	1.25″	Marion County, IA
05:33	1.25″	Marion County, IA
06:44	1.00″	Johnson County, IA
06:57	1.00″	Linn County, IA
07:00	1.00″	Grundy County, MO
07:30	1.00″	Marquette County, MI
08:14	1.00″	Jo Daviess County, IL
09:01	1.00″	Lee County, IA
10:07	1.00″	Racine County, WI
11:55	1.00″	Kewaunee County, WI
22:52	1.00″	Price County, WI
23:06	1.00″	Lincoln County, WI
23:19	1.00″	Buffalo County, NE
23:30	1.00″	Oneida County, WI
23:48	1.00″	Oneida County, WI
23:55	1.00″	Oneida County, WI
00:25	1.00″	Dickinson County, MI
01:12	1.00″	Mower County, MN
01:24	1.00″	Fillmore County, NE
01:40	1.00″	Dodge County, MN
01:51	1.00″	Saline County, NE
01:59	1.00″	Saline County, NE
02:00	1.00″	Olmsted County, MN
02:00	1.00″	Olmsted County, MN
02:00	1.00″	Saline County, NE
02:02	1.00″	Lancaster County, NE
02:02	1.00″	Lancaster County, NE
02:12	1.00″	Wabasha County, MN
02:12	1.00″	Lancaster County, NE
02:14	1.00″	Cerro Gordo County, IA
02:14	1.00″	Cerro Gordo County, IA
02:15	1.00″	Pierce County, WI
02:17	1.00″	Wabasha County, MN
02:17	1.00″	Lancaster County, NE
02:27	1.00″	Worth County, IA
02:35	1.00″	Worth County, IA
02:38	1.00″	Wabasha County, MN
02:40	1.00″	Johnson County, NE
02:45	1.00″	Cerro Gordo County, IA
02:48	1.00″	Mitchell County, IA
02:52	1.00″	Cerro Gordo County, IA
03:09	1.00″	Olmsted County, MN
03:19	1.00″	Olmsted County, MN
03:30	1.00″	Dodge County, MN
03:52	1.00″	Trempealeau County, WI
04:07	1.00″	Taylor County, IA
04:08	1.00″	Nemaha County, NE
04:25	1.00″	Winona County, MN
04:30	1.00″	Vilas County, WI
04:34	1.00″	Taylor County, WI
04:53	1.00″	Jackson County, WI
04:55	1.00″	Richardson County, NE
04:59	1.00″	Clarke County, IA
05:04	1.00″	Brown County, KS
05:04	1.00″	Brown County, KS
05:08	1.00″	Lincoln County, WI
05:10	1.00″	Iron County, MI
05:20	1.00″	Marion County, IA
05:24	1.00″	Brown County, KS
05:28	1.00″	Jackson County, WI
05:30	1.00″	Marion County, IA
05:31	1.00″	Marion County, IA
05:31	1.00″	Marion County, IA
05:35	1.00″	Marion County, IA
06:05	0.88″	Marathon County, WI
06:15	0.88″	Lincoln County, WI
06:45	0.88″	Washington County, IA
06:53	0.88″	Wood County, WI
09:53	0.88″	Kenosha County, WI
10:15	0.88″	Lake County, IL
11:50	0.88″	St. Clair County, IL
23:25	0.88″	Marinette County, WI
01:18	0.88″	Webster County, IA
01:30	0.88″	Dickinson County, MI
01:30	0.88″	Dickinson County, MI
02:04	0.88″	Cerro Gordo County, IA
02:25	0.88″	Worth County, IA
02:55	0.88″	Cass County, NE
03:04	0.88″	Chippewa County, WI
03:42	0.88″	Taylor County, WI
03:50	0.88″	Fillmore County, MN
04:17	0.88″	Winona County, MN
04:30	0.88″	Winona County, MN
05:02	0.88″	Vilas County, WI
05:22	0.88″	Clark County, WI
05:55	0.88″	Marathon County, WI
07:28	0.75″	Marquette County, MI
09:34	0.75″	Warren County, IL
09:50	0.75″	Ralls County, MO
10:15	0.75″	Lake County, IL
23:35	0.75″	Oneida County, WI
23:45	0.75″	Oneida County, WI
23:52	0.75″	Oneida County, WI
01:11	0.75″	Mower County, MN
02:00	0.75″	Olmsted County, MN
02:25	0.75″	Dunn County, WI
02:55	0.75″	Johnson County, NE
03:00	0.75″	Price County, WI
03:05	0.75″	Chippewa County, WI
03:34	0.75″	Price County, WI
03:42	0.75″	Price County, WI
05:15	0.75″	Clark County, WI
05:20	0.75″	Clark County, WI
05:30	0.75″	Oneida County, WI
05:30	0.75″	Jackson County, WI
05:35	0.75″	Marathon County, WI

Damage, injuries and deaths

National Weather Service offices recorded about $2 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (192 events in 8 states). Injuries and deaths are those the events caused directly.

County	Events	Property damage
Marquette County, MI	8	$1.6 million
Barron County, WI	1	$350,000
Iron County, MI	1	$20,000
Marathon County, WI	2	$7,000
Hitchcock County, NE	1	$1,000
Red Willow County, NE	1	$0

What the National Weather Service wrote

Marquette County, MI (near Ishpeming) · Thunderstorm wind 96 mph · $1 million
“Law enforcement reported multiple large trees and power lines down in the city of Ishpeming.”
Barron County, WI (near Cumberland) · Thunderstorm wind 64 mph · $350,000
“Several properties received minor damage to roofs, with two properties sustaining significant damage with 40% of their shingles damage. One home had a tree fall on it which caused considerable damage to their roof.”
Marquette County, MI (near Winthrop Jct) · Thunderstorm wind 90 mph · $200,000
“Thunderstorm winds peeled a metal roof was peeled off a commercial building in downtown Ishpeming. Numerous commercial signs and billboards were also torn down or damaged. Time was estimated from radar.”
Iron County, MI (near Gibson Lake) · Thunderstorm wind 81 mph · $20,000
“The Iron County Sheriff reported numerous trees down across the Bates-Amasa Road resulting in its closure. Numerous trees were downed in the Amasa area as well. The time of the report was estimated from radar.”
Marathon County, WI (near Edgar) · Thunderstorm wind 60 mph · $5,000
“Thunderstorm winds heavily damaged a metal outbuilding and downed several trees and power lines near Edgar.”
Marathon County, WI (near Mann) · Thunderstorm wind 64 mph · $2,000
“Thunderstorm winds tore the roof from a mobile home and downed numerous trees.”

Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.

Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.

NWS Tornado Damage Surveys for April 9, 2017

National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF1), 1 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.

Rating	Peak wind	Path length	Max width	Deaths / injuries	On the ground	Surveyed by
EF1	105 mph	0.5 mi	100 yd	0 / 0	05:54–05:55 UTC	NWS Green Bay

Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.

Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final

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