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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on August 21, 2013

Public hail, wind, and tornado reports across the United States on August 21, 2013 from August 21, 2013 through August 21, 2013, 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

53

Wind Reports

55

Tornado Reports

1

Max Hail Size

2.75″

Source NOAA SPC · NWS Local Storm Reports Coverage United States · August 21, 2013 · 2013–present Updated Daily · last Aug 21, 2013

NWS Hail Reports on August 21, 2013

53 reports

Free hail report for your home →

1.00″ hail

Aug 21, 2013
7:32 PM CST-6

Hail report for August 21, 2013

Racine County · 59,338 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: .69 S Waterford, WI

0.88″ hail

Aug 21, 2013
7:30 PM CST-6

Hail report for August 21, 2013

Racine County · 59,338 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: .69 S Waterford, WI

1.00″ hail

Aug 21, 2013
7:17 PM CST-6

Hail report for August 21, 2013

Brown County · 1,356 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: 3.35 WNW Long Pine, NE

0.75″ hail

Aug 21, 2013
7:11 PM CST-6

Hail report for August 21, 2013

Waukesha County · 120,477 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: 3.15 NNE Vernon, WI

0.88″ hail

Aug 21, 2013
7:05 PM CST-6

Hail report for August 21, 2013

Waukesha County · 120,477 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: .86 NE Bethesda, WI

1.00″ hail

Aug 21, 2013
7:05 PM CST-6

Hail report for August 21, 2013

Outagamie County · 56,809 Homes in County

Hail Report Description: A trained weather spotter reported 1.00 inch diameter hail at the intersection of Highway 441 and East College Avenue.

NWS Hail Report Location: 1.96 WNW Combined Locks, WI

1.75″ hail

Aug 21, 2013
6:50 PM CST-6

Hail report for August 21, 2013

Rock County · 754 Homes in County

Hail Report Description: Hail broke out one home window.

NWS Hail Report Location: 4.12 SE Newport, NE

1.00″ hail

Aug 21, 2013
5:45 PM MST-7

Hail report for August 21, 2013

Deuel County · 913 Homes in County

Hail Report Description: Ground white and covered by hail.

NWS Hail Report Location: 3.49 S Big Spgs, NE

2.75″ hail

Aug 21, 2013
6:44 PM CST-6

Hail report for August 21, 2013

Rock County · 754 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: N Newport, NE

1.75″ hail

Aug 21, 2013
5:33 PM MST-7

Hail report for August 21, 2013

Deuel County · 913 Homes in County

Hail Report Description: All windows on north side of house broken out.

NWS Hail Report Location: 3.71 W Big Spgs, NE

1.75″ hail

Aug 21, 2013
5:28 PM MST-7

Hail report for August 21, 2013

Deuel County · 913 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: 3.71 W Big Spgs, NE

1.00″ hail

Aug 21, 2013
6:22 PM CST-6

Hail report for August 21, 2013

Rock County · 754 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: 8.35 N Bassett, NE

1.00″ hail

Aug 21, 2013
5:01 PM MST-7

Hail report for August 21, 2013

Garden County · 1,041 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: 5.74 SSW Lewellen, NE

1.00″ hail

Aug 21, 2013
5:01 PM MST-7

Hail report for August 21, 2013

Deuel County · 913 Homes in County

Hail Report Description: No National Weather Service description provided.

NWS Hail Report Location: 9.69 NNW Big Spgs, NE

0.75″ hail

Aug 21, 2013
4:46 PM CST-6

Hail report for August 21, 2013

Dickinson County · 11,466 Homes in County

Hail Report Description: Penny-sized hail was reported near Iron Mountain.

NWS Hail Report Location: .48 E Antoine, MI

Showing 15 of 53

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 August 21, 2013

55 reports

Free hail report + wind check →

60 mph

Aug 21, 2013
9:40 PM CST-6

Wind report for August 21, 2013

Wheeler County · 488 Homes in County

Wind Report Description: Tree fell onto building.

NWS Wind Report Location: 7.21 NE Bartlett, NE

60 mph

Aug 21, 2013
8:30 PM CST-6

Wind report for August 21, 2013

Holt County · 4,173 Homes in County

Wind Report Description: Winds estimated at 60 mph.

NWS Wind Report Location: 9.85 NE (Onl)O Neill Arpt, NE

60 mph

Aug 21, 2013
8:00 PM CST-6

Wind report for August 21, 2013

Brown County · 1,356 Homes in County

Wind Report Description: Winds estimated at 60 mph.

NWS Wind Report Location: 22.16 S Long Pine, NE

60 mph

Aug 21, 2013
7:57 PM CST-6

Wind report for August 21, 2013

Calumet County · 17,226 Homes in County

Wind Report Description: Thunderstorm winds uprooted several 3 to 4 foot diameter trees.

NWS Wind Report Location: 1.64 ENE Chilton, WI

60 mph

Aug 21, 2013
8:51 PM EST-5

Wind report for August 21, 2013

Leelanau County · 13,431 Homes in County

Wind Report Description: Scattered pockets of downed trees and power lines occurred in western Leelanau County.

NWS Wind Report Location: 2.29 NNE Glen Lake, MI

60 mph

Aug 21, 2013
7:50 PM CST-6

Wind report for August 21, 2013

Calumet County · 17,226 Homes in County

Wind Report Description: Thunderstorm winds downed powerlines at the intersection of County Highway C and County Highway H.

NWS Wind Report Location: .85 SE Jericho, WI

60 mph

Aug 21, 2013
7:33 PM CST-6

Wind report for August 21, 2013

Holt County · 4,173 Homes in County

Wind Report Description: Trained spotters reported winds over 58 mph.

NWS Wind Report Location: .51 W Atkinson, NE

64 mph

Aug 21, 2013
7:20 PM CST-6

Wind report for August 21, 2013

Kewaunee County · 7,582 Homes in County

Wind Report Description: Thunderstorm winds estimated at 65 mph, knocked down several trees and tree limbs.

NWS Wind Report Location: 2.08 ESE Duvall, WI

60 mph

Aug 21, 2013
5:19 PM PST-8

Wind report for August 21, 2013

Elko County · 12,380 Homes in County

Wind Report Description: Pilot Peak Junction Mesonet site measured a thunderstorm wind gust to 60 mph.

NWS Wind Report Location: 1.49 NW Pilot, NV

62 mph

Aug 21, 2013
7:02 PM CST-6

Wind report for August 21, 2013

Brown County · 72,707 Homes in County

Wind Report Description: A thunderstorm wind gust of 62 mph was recorded at Austin Straubel Airport on the southwest side of Green Bay.

NWS Wind Report Location: 2.73 WNW Ashwaubenon, WI

81 mph

Aug 21, 2013
7:00 PM CST-6

Wind report for August 21, 2013

Brown County · 72,707 Homes in County

Wind Report Description: Thunderstorm winds, estimated at 80 mph, took down several trees, numerous large limbs and blew off pieces of siding and shingles of several houses on the west side of Green Bay.

NWS Wind Report Location: 3.7 SW Cormier, WI

60 mph

Aug 21, 2013
5:00 PM PST-8

Wind report for August 21, 2013

Elko County · 12,380 Homes in County

Wind Report Description: COOP observer estimated wind gusts to 60 mph caused some siding to come off a structure and blew a fence down. Damages are estimated.

NWS Wind Report Location: 6.98 SE Montello, NV

70 mph

Aug 21, 2013
6:28 PM CST-6

Wind report for August 21, 2013

Shawano County · 16,240 Homes in County

Wind Report Description: A trained spotter reported a thunderstorm wind gust estimated at 70 mph.

NWS Wind Report Location: .85 NE Shawano, WI

60 mph

Aug 21, 2013
6:27 PM CST-6

Wind report for August 21, 2013

Waupaca County · 20,021 Homes in County

Wind Report Description: A trained spotter reported trees down on 14th Street in Clintonville. Time of event was estimated based on radar data.

NWS Wind Report Location: .55 NW Clintonville, WI

75 mph

Aug 21, 2013
6:25 PM CST-6

Wind report for August 21, 2013

Menominee County · 1,944 Homes in County

Wind Report Description: Thunderstorm winds downed trees in Keshena. One tree fell onto a car and killed a 39 year old woman.

NWS Wind Report Location: .69 S Keshena, WI

Showing 15 of 55

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 August 21, 2013

1 reports

EF0 category

Aug 21, 2013
4:24 PM CST-6

Tornado report for August 21, 2013

Chippewa County · 21,965 Homes in County

Tornado Report Description: A storm chaser videotaped a tornado touching down just northwest of Cadott. It touched down about one mile west of the intersection of County Highway O and XX and traveled just south of County O, dissipating as it reached County XX. One barn was heavily damaged and had to be torn down. An unused old barn was also heavily damaged. Tree damage was also noted.

NWS Tornado Report Location: 3.34 NNE Bateman, WI

Showing 1 of 1

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 August 21, 2013 on the Interactive Map

Report type

Hail

Wind

Tornado

Get a Remote Hail Inspection

Not sure if hail may have affected your home on August 21, 2013? 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.

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Frequently asked questions

for homeowners, buyers & sellers

How many storm reports were recorded on August 21, 2013?

Our records show 53 hail, 55 wind, and 1 tornado reports on August 21, 2013, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 21, 2013.

What was the largest hail reported on August 21, 2013?

The largest hail size in these storm-report records on August 21, 2013 is 2.75″, reported near N Newport, 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 August 21, 2013 — 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 August 21, 2013 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 August 21, 2013?

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 August 21, 2013 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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