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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on May 9, 2001

Public hail, wind, and tornado reports across the United States on May 9, 2001 from May 9, 2001 through May 9, 2001, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Pick any date to see hail, wind and tornado public reports for that day — e.g. September 18, 2026.
Hail Reports
136
Wind Reports
23
Tornado Reports
12
Max Hail Size
2.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · May 9, 2001 · 2001–present Updated  Daily · last May 9, 2001

NWS Hail Reports on May 9, 2001

136 reports
Free hail report for your home →
1.00″ hail
May 9, 2001
11:19 PM CST
Hail report for May 9, 2001
Cass County · 5,130 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Griswold, IA
1.00″ hail
May 9, 2001
11:15 PM CST
Hail report for May 9, 2001
Ellis County · 1,822 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 9 S Arnett, OK
0.75″ hail
May 9, 2001
10:55 PM CST
Hail report for May 9, 2001
Republic County · 2,340 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Norway, KS
0.75″ hail
May 9, 2001
10:47 PM CST
Hail report for May 9, 2001
Republic County · 2,340 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Kackley, KS
0.88″ hail
May 9, 2001
10:40 PM CST
Hail report for May 9, 2001
Republic County · 2,340 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Courtland, KS
0.75″ hail
May 9, 2001
10:38 PM CST
Hail report for May 9, 2001
Washington County · 7,244 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Blair, NE
0.75″ hail
May 9, 2001
10:30 PM CST
Hail report for May 9, 2001
Jewell County · 1,512 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Formoso, KS
1.00″ hail
May 9, 2001
10:15 PM CST
Hail report for May 9, 2001
Washington County · 7,244 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Blair, NE
0.75″ hail
May 9, 2001
10:15 PM CST
Hail report for May 9, 2001
Hemphill County · 1,296 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Canadian, TX
0.88″ hail
May 9, 2001
10:10 PM CST
Hail report for May 9, 2001
Republic County · 2,340 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5 N Republic, KS
1.00″ hail
May 9, 2001
9:59 PM CST
Hail report for May 9, 2001
Douglas County · 164,395 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5 N Elkhorn, NE
1.75″ hail
May 9, 2001
9:55 PM CST
Hail report for May 9, 2001
Tama County · 6,621 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Gladbrook, IA
1.00″ hail
May 9, 2001
9:50 PM CST
Hail report for May 9, 2001
Trempealeau County · 9,924 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Whitehall, WI
1.75″ hail
May 9, 2001
9:46 PM CST
Hail report for May 9, 2001
Trempealeau County · 9,924 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2 E Independence, WI
0.75″ hail
May 9, 2001
9:40 PM CST
Hail report for May 9, 2001
Fillmore County · 2,442 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6 W Geneva, NE
Showing 15 of 136
Hail Damage Risk for Your Home +

Hail reports describe hail by diameter, often comparing stone size to familiar objects like peas, quarters, golf balls, and softballs. Use this guide as a starting point for possible hail damage to your roof, siding, gutters, vents, windows, and exterior. Actual hail damage depends on hail hardness, density, wind speed, impact angle, roof age, shingle condition, roof pitch, roofing material, installation quality, and prior storm damage.

Pea
0.25″
Low

Usually too small to cause hail damage to most sound asphalt roofs, siding, or gutters.

Mothball
0.50″
Sub-Severe Watch

Below the NWS severe-hail threshold, but not always harmless. Repeated small hail can scuff surfaces, wear aging shingles, and loosen protective granules over time.

Penny
0.75″
Minor / Watch

Below the NWS severe-hail threshold, but roof hail damage is still possible on older, brittle, poorly installed, or previously damaged shingles. May also mark screens, vents, gutters, and soft metal.

Nickel
0.88″
Minor / Watch

Still below the severe-hail threshold, but large enough to leave visible marks on soft metal and add wear to older or hail-weakened roof shingles.

Quarter
1.00″
Watch

The NWS severe-hail threshold. Quarter-size hail can bruise shingles, dent soft metal, and create roof hail damage worth checking.

Half Dollar
1.25″
Watch

More likely to dent gutters, vents, flashing, and siding. Hail damage risk rises quickly on older roofs or hail-weakened shingles.

Ping Pong / Walnut
1.50″
Likely

Hail damage becomes more likely, including bruised shingles, granule loss, dented siding, and damaged roof vents.

Golf Ball
1.75″
Likely

Often causes roof hail damage, cracked shingles, dented gutters, damaged flashing, and siding impacts. A roof inspection is recommended.

Hen Egg
2.00″
Serious

Can crack or puncture shingles, expose mat, dent siding, and cause widespread hail damage across the roof and exterior.

Tennis Ball
2.50″
Serious

Can cause heavy roof hail damage, punctured siding, broken skylights, damaged vents, and widespread exterior damage.

Baseball
2.75″
Major

Major hail damage is likely, including severe roof impacts, damaged siding, broken windows, and possible major roof repairs.

Tea Cup / Large Apple
3.00″
Major

Can cause heavy hail damage across the roof, siding, gutters, windows, and exterior. Significant repairs are often needed.

Softball
4.00″
Extreme

Destructive hail damage. Can severely damage roofing materials, siding, windows, gutters, vents, vehicles, and exterior surfaces.

Grapefruit
4.50″
Extreme

Catastrophic hail damage risk for roofs, windows, vehicles, siding, gutters, and exterior surfaces.

Source: NOAA / National Weather Service hail size references are used for hail-size comparisons and the 1.00″ severe-hail threshold. Damage descriptions are general homeowner guidance, not official NOAA/NWS damage ratings. Sub-severe hail under 1.00″ is below the severe threshold, but that does not mean “no roof damage.” Penny- to nickel-size hail can still contribute to granule loss, cosmetic surface marks, and added wear, especially on older, brittle, poorly installed, or previously damaged roofs.

NWS Wind Reports on May 9, 2001

23 reports
Free hail report + wind check →
70 mph
May 9, 2001
11:19 PM CST
Wind report for May 9, 2001
Cass County · 5,130 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Griswold, IA
70 mph
May 9, 2001
10:15 PM CST
Wind report for May 9, 2001
Stafford County · 1,854 Homes in County
Wind Report Description: Brief power outages reported by law enforcement.
NWS Wind Report Location: 5 NE Seward, KS
63 mph
May 9, 2001
10:15 PM CST
Wind report for May 9, 2001
Washington County · 7,244 Homes in County
Wind Report Description: Thunderstorm wind gusts of around 65 mph were reported by a trained weather spotter.
NWS Wind Report Location: Blair, NE
64 mph
May 9, 2001
9:45 PM CST
Wind report for May 9, 2001
Cass County · 5,130 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Atlantic, IA
59 mph
May 9, 2001
9:40 PM CST
Wind report for May 9, 2001
Smith County · 1,829 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 2 NW Lebanon, KS
70 mph
May 9, 2001
9:37 PM CST
Wind report for May 9, 2001
Cass County · 5,130 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Atlantic, IA
59 mph
May 9, 2001
9:35 PM CST
Wind report for May 9, 2001
Clay County · 2,461 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Edgar, NE
59 mph
May 9, 2001
9:20 PM CST
Wind report for May 9, 2001
Nuckolls County · 1,995 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Nelson, NE
64 mph
May 9, 2001
8:15 PM CST
Wind report for May 9, 2001
Guthrie County · 5,233 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Yale, IA
58 mph
May 9, 2001
8:14 PM CST
Wind report for May 9, 2001
Burnett County · 13,322 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Yellow Lake, WI
69 mph
May 9, 2001
7:53 PM CST
Wind report for May 9, 2001
Washington County · 7,244 Homes in County
Wind Report Description: A thunderstorm wind gust estimated at around 70 mph downed two trees north of Arlington.
NWS Wind Report Location: 5 N Arlington, NE
70 mph
May 9, 2001
7:50 PM CST
Wind report for May 9, 2001
Webster County · 13,143 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Lehigh, IA
69 mph
May 9, 2001
7:46 PM CST
Wind report for May 9, 2001
Goodhue County · 14,841 Homes in County
Wind Report Description: Truck blown off road. A few trees down.
NWS Wind Report Location: 7 S Red Wing, MN
74 mph
May 9, 2001
7:45 PM CST
Wind report for May 9, 2001
Pierce County · 12,683 Homes in County
Wind Report Description: Scattered trees down.
NWS Wind Report Location: 3 SW River Falls, WI
75 mph
May 9, 2001
7:23 PM CST
Wind report for May 9, 2001
Goodhue County · 14,841 Homes in County
Wind Report Description: Several hundred trees downed from rear flank downdraft after the Northfield tornado had dissipated. Sheds and other outbuildings damaged.
NWS Wind Report Location: Cannon Falls, MN
Showing 15 of 23
Wind Damage Risk for Your Home +

Storm reports list thunderstorm wind gusts in mph. The NWS marks storms as severe at 58+ mph, but wind damage to your home depends on roof age, shingle condition, installation, exposure, nearby trees, and prior hail or wind damage.

Below Severe
Under 58 mph
Minor

Usually little damage to a sound roof, but loose shingles, flashing, or debris may shift.

Severe
58–74 mph
Watch

Can loosen shingles, lift flashing, break limbs, and damage gutters, siding, fences, or trim.

Damaging
75–90 mph
Serious

Can peel shingles, damage vents, tear siding, rip gutters, and expose weak roof areas.

Extreme
90+ mph
Major

Can cause major roof covering loss, tree damage, broken windows, and structural damage.

Source: NOAA / National Weather Service storm reports. Gusts may be measured or estimated; actual wind damage varies by roof condition, exposure, and prior hail or wind damage.

NWS Tornado Reports on May 9, 2001

12 reports
F0 category
May 9, 2001
7:39 PM CST
Tornado report for May 9, 2001
Merrick County · 3,147 Homes in County
Tornado Report Description: Brief touchdown with no damage.
NWS Tornado Report Location: 4 NE Central City, NE
F0 category
May 9, 2001
7:23 PM CST
Tornado report for May 9, 2001
Kanabec County · 6,047 Homes in County
Tornado Report Description: Tornado touched down on Knife lake and moved onto land. Docks and pontoon flipped. A few dozen trees downed.
NWS Tornado Report Location: 7 NW Quamba, MN
F2 category
May 9, 2001
7:13 PM CST
Tornado report for May 9, 2001
Goodhue County · 14,841 Homes in County
Tornado Report Description: The Northfield tornado (which originated in Rice County) dissipated on the south side of Lake Byllesby, but not before destroying several sheds and causing minor damage to 12 homes.
NWS Tornado Report Location: 2 NW Stanton, MN
F2 category
May 9, 2001
7:08 PM CST
Tornado report for May 9, 2001
Dakota County · 103,139 Homes in County
Tornado Report Description: The Northfield tornado (which originated in Rice County) crossed Highway 19 into extreme southeastern Dakota County, then went into Goodhue County. Five homes sustained major damage, including one with its roof completely removed. 12 other homes received minor damage. Several motorists barely made it into nearby homes before the tornado struck.
NWS Tornado Report Location: 4 E Northfield, MN
F2 category
May 9, 2001
7:00 PM CST
Tornado report for May 9, 2001
Rice County · 17,930 Homes in County
Tornado Report Description: NWS damage survey rated the tornado an F2. Tornado touched down briefly in downtown Northfield, flipping over a semi trailer truck and lifting the roof off of one business. Three-fourths mile later, it touched down again on the east side of Northfield, and then remained on the ground for 11 miles. After being in Rice County for 5 miles, it crossed Highway 19 into Dakota County and then dissipated in Goodhue County 4 miles west of Cannon Falls, for a total of 12 miles. Numerous rear flank downdraft gusts estimated at 90 mph caused damage alongside the southern periphery of tornado track. One man sustained minor injuries when he was blown from a tractor, but did not require hospitalization. A total of 8 homes received major damage, 22 more had minor damage, and a turkey processing plant was destroyed.
NWS Tornado Report Location: Northfield, MN
F0 category
May 9, 2001
6:45 PM CST
Tornado report for May 9, 2001
Scott County · 40,267 Homes in County
Tornado Report Description: Tornado touched down briefly in open field. No damage reported.
NWS Tornado Report Location: 1 NW New Market, MN
F0 category
May 9, 2001
6:45 PM CST
Tornado report for May 9, 2001
Rice County · 17,930 Homes in County
Tornado Report Description: Tornado touched down briefly in open field. No damage reported.
NWS Tornado Report Location: 4 N Lonsdale, MN
F0 category
May 9, 2001
6:40 PM CST
Tornado report for May 9, 2001
Scott County · 40,267 Homes in County
Tornado Report Description: Tornado touched down briefly in open field near south end of Cedar Lake. No damage reported.
NWS Tornado Report Location: 2 NE New Prague, MN
F0 category
May 9, 2001
6:29 PM CST
Tornado report for May 9, 2001
Scott County · 40,267 Homes in County
Tornado Report Description: Touched down briefly in open field near south end of Pleasant lake. No damage incurred.
NWS Tornado Report Location: 4 N New Prague, MN
F0 category
May 9, 2001
6:23 PM CST
Tornado report for May 9, 2001
Scott County · 40,267 Homes in County
Tornado Report Description: Tornado passed over open fields, no damage reported.
NWS Tornado Report Location: 3 SE Belle Plaine, MN
F0 category
May 9, 2001
5:48 PM CST
Tornado report for May 9, 2001
Sibley County · 5,436 Homes in County
Tornado Report Description: Tornado blew hay out of barn. Farmer held onto pole to avoid being sucked out of barn.
NWS Tornado Report Location: 2 ESE Green Isle, MN
F0 category
May 9, 2001
5:34 PM CST
Tornado report for May 9, 2001
Sibley County · 5,436 Homes in County
Tornado Report Description: Brief touchdown along road. No damage.
NWS Tornado Report Location: 3 NW Green Isle, MN
Showing 12 of 12
Tornado Damage Risk for Your Home +

After a tornado, the National Weather Service assigns an EF rating from EF0 to EF5 based on surveyed damage. The rating estimates wind speed from what the tornado damaged, so actual damage can vary by construction quality, roof age, garage doors, windows, trees, debris, and how close the home was to the tornado path.

EF0
65–85 mph
Light

Can peel shingles, damage gutters or siding, break tree limbs, and toss loose outdoor items.

EF1
86–110 mph
Moderate

Can strip roof covering, damage exterior doors, break windows, snap trees, and cause heavier siding or gutter damage.

EF2
111–135 mph
Serious

Can tear off large sections of roofing, break or uproot trees, destroy weaker structures, and cause major exterior damage.

EF3–EF5
136+ mph
Severe

Can remove roofs and walls, destroy large portions of homes, toss vehicles, and cause severe to total destruction near the path.

Source: NOAA / National Weather Service. EF ratings are assigned after a post-storm damage survey and are based on observed damage, not a direct measurement at every home.

NWS Hail, Wind and Tornado Reports on May 9, 2001 on the Interactive Map

Report type
Hail
Wind
Tornado

Get a Remote Hail Inspection

Not sure if hail may have affected your home on May 9, 2001? Ask a local pro for a Remote Hail Inspection. They can review hail activity for your property and help you decide whether an in-person roof or exterior inspection makes sense.

Frequently asked questions

for homeowners, buyers & sellers
How many storm reports were recorded on May 9, 2001?

Our records show 136 hail, 23 wind, and 12 tornado reports on May 9, 2001, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on May 9, 2001.

What was the largest hail reported on May 9, 2001?

The largest hail size in these storm-report records on May 9, 2001 is 2.75″, reported near Red Cloud, NE.

Some reports show UNK instead of a wind speed or tornado rating — what does that mean?

Wind reports come three ways: measured from an instrument, estimated from the damage observed, or UNK when no speed was recorded. Tornadoes show UNK until the National Weather Service finishes a damage survey and assigns an EF rating. UNK simply means that value was not available when the report was filed.

A report appeared near my home on May 9, 2001 — is my roof damaged?

Not necessarily. A storm report shows that hail, wind, or a tornado was observed nearby, not that any specific home was hit. To find out whether your property was affected, check an address-level hail report, and if it looks significant, ask a local pro about a Remote Hail Inspection before scheduling roof work.

I am buying or selling a home — how do these on May 9, 2001 reports help?

If a storm passed through, a roof or exterior may have damage that is hard to see, or a recent repair may trace back to it. Buyers can ask better questions before closing, and sellers can document the home condition up front — both starting from the property address rather than a whole region.

How do I check what happened at a specific address on May 9, 2001?

Use the address search to pull a free address-level hail report for any property — no phone number or email required. It shows recent hail activity for that address so you know whether a closer roof or exterior review makes sense.

Where does this storm report data come from, and what are its limits?

Storm reports on this page are public reports from storm events on May 9, 2001 across the United States, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported, but they do not confirm damage at any specific property. Report locations, sizes, and times may be approximate and can vary from what an individual home experienced. For property-specific hail history, use an address-level hail report or contact a participating local professional for a remote hail inspection. Pros inclusion is not an endorsement, and contacting a professional does not confirm damage at any property.

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