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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on July 21, 2010

Public hail, wind, and tornado reports across the United States on July 21, 2010 from July 21, 2010 through July 21, 2010, 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
117
Wind Reports
287
Tornado Reports
10
Max Hail Size
2.00″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · July 21, 2010 · 2010–present Updated  Daily · last Jul 21, 2010

NWS Hail Reports on July 21, 2010

117 reports
Free hail report for your home →
1.00″ hail
Jul 21, 2010
8:55 PM EST-5
Hail report for July 21, 2010
Bennington County · 15,586 Homes in County
Hail Report Description: Quarter size hail was reported during a thunderstorm in Bennington.
NWS Hail Report Location: .86 SE Bennington, VT
1.25″ hail
Jul 21, 2010
6:38 PM MST-7
Hail report for July 21, 2010
Sioux County · 568 Homes in County
Hail Report Description: Most of the hailstones were quarter size, with some larger stones the size of half dollars. Also had 60-70 MPH winds with very heavy rainfall.
NWS Hail Report Location: 24 NE Harrison, NE
0.88″ hail
Jul 21, 2010
8:32 PM EST-5
Hail report for July 21, 2010
Berkshire County · 45,896 Homes in County
Hail Report Description: Dime to nickel size hail was reported during a thunderstorm in Pittsfield.
NWS Hail Report Location: .51 W Pittsfield, MA
1.00″ hail
Jul 21, 2010
6:25 PM MST-7
Hail report for July 21, 2010
Weston County · 2,513 Homes in County
Hail Report Description: Quarter sized hail fell in Newcastle and east of town.
NWS Hail Report Location: N Newcastle, WY
0.88″ hail
Jul 21, 2010
8:20 PM EST-5
Hail report for July 21, 2010
Belknap County · 28,355 Homes in County
Hail Report Description: A thunderstorm produced .88 hail in Barnstead.
NWS Hail Report Location: .5 E Barnstead, NH
1.00″ hail
Jul 21, 2010
7:29 PM EST-5
Hail report for July 21, 2010
Sullivan County · 15,993 Homes in County
Hail Report Description: A severe thunderstorm produced 1 inch hail near Claremont.
NWS Hail Report Location: 4 ENE Claremont, NH
1.00″ hail
Jul 21, 2010
5:15 PM MST-7
Hail report for July 21, 2010
Chase County · 1,606 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6.12 SSW Lamar, NE
1.25″ hail
Jul 21, 2010
7:10 PM EST-5
Hail report for July 21, 2010
Herkimer County · 23,082 Homes in County
Hail Report Description: Half-dollar size hail was reported during a thunderstorm in Newport.
NWS Hail Report Location: .77 N Newport, NY
1.00″ hail
Jul 21, 2010
5:05 PM MST-7
Hail report for July 21, 2010
Rosebud County · 2,486 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: N Birney, MT
1.00″ hail
Jul 21, 2010
7:05 PM EST-5
Hail report for July 21, 2010
Oneida County · 66,801 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: N Clinton, NY
1.00″ hail
Jul 21, 2010
6:50 PM EST-5
Hail report for July 21, 2010
Fairfield County
Hail Report Description: Quarter size hail was reported.
NWS Hail Report Location: N Monroe, CT
0.75″ hail
Jul 21, 2010
6:40 PM EST-5
Hail report for July 21, 2010
Rutland County · 23,171 Homes in County
Hail Report Description: Dime to penny size hail reported.
NWS Hail Report Location: .85 SW Proctor, VT
1.00″ hail
Jul 21, 2010
6:30 PM EST-5
Hail report for July 21, 2010
York County · 79,647 Homes in County
Hail Report Description: A severe thunderstorm produced 1 inch hail in Sanford.
NWS Hail Report Location: .85 NE Sanford, ME
1.00″ hail
Jul 21, 2010
6:30 PM EST-5
Hail report for July 21, 2010
Windsor County · 24,381 Homes in County
Hail Report Description: Quarter size hail reported.
NWS Hail Report Location: .69 S Hartland, VT
0.75″ hail
Jul 21, 2010
6:25 PM EST-5
Hail report for July 21, 2010
Windsor County · 24,381 Homes in County
Hail Report Description: Dime size hail reported.
NWS Hail Report Location: N Woodstock, VT
Showing 15 of 117
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 July 21, 2010

287 reports
Free hail report + wind check →
58 mph
Jul 21, 2010
10:41 PM MST-7
Wind report for July 21, 2010
Sheridan County · 11,188 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: .85 SW Sheridan, WY
59 mph
Jul 21, 2010
11:38 PM CST-6
Wind report for July 21, 2010
Sioux County · 10,595 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 1.47 SSW Orange City, IA
100 mph
Jul 21, 2010
11:30 PM CST-6
Wind report for July 21, 2010
Sioux County · 10,595 Homes in County
Wind Report Description: Thunderstorm winds destroyed one home and damaged at least 20 others. Homes that were damaged had broken windows, had parts of roofs and siding that were blown away, or had roofs damaged by falling trees. tree damage was widespread, and there were also downed power lines and power outages. One person was injured by broken glass, and three others were injured by flying debris, with one of the injured hospitalized.|The winds destroyed a large hog confinement structure.
NWS Wind Report Location: N Maurice, IA
60 mph
Jul 21, 2010
9:55 PM MST-7
Wind report for July 21, 2010
Big Horn County · 3,119 Homes in County
Wind Report Description: An estimated wind gust of 60 mph was reported 2 miles west of Lodge Grass.
NWS Wind Report Location: 3 WSW Lodge Grass, MT
60 mph
Jul 21, 2010
9:45 PM MST-7
Wind report for July 21, 2010
Rosebud County · 2,486 Homes in County
Wind Report Description: An estimated wind gust of 60 mph along with crop damage was reported 6 miles west of Forsyth.
NWS Wind Report Location: 3.98 NW Nichols, MT
60 mph
Jul 21, 2010
8:55 PM MST-7
Wind report for July 21, 2010
Yellowstone County · 48,075 Homes in County
Wind Report Description: An estimated wind gust of 60 mph was reported 3 miles NNW of Custer.
NWS Wind Report Location: 3.74 NNW Custer, MT
58 mph
Jul 21, 2010
8:36 PM MST-7
Wind report for July 21, 2010
Yellowstone County · 48,075 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 13.11 SW Newton Grove, MT
58 mph
Jul 21, 2010
8:36 PM MST-7
Wind report for July 21, 2010
Yellowstone County · 48,075 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 23.42 NNW Pryor, MT
60 mph
Jul 21, 2010
8:19 PM MST-7
Wind report for July 21, 2010
Yellowstone County · 48,075 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: .84 SW (Bil)Logan Arpt Bill, MT
62 mph
Jul 21, 2010
8:17 PM MST-7
Wind report for July 21, 2010
Yellowstone County · 48,075 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 3.74 SSW (Bil)Logan Arpt Bill, MT
58 mph
Jul 21, 2010
9:57 PM EST-5
Wind report for July 21, 2010
Franklin County · 22,266 Homes in County
Wind Report Description: A tree on Main Street was downed onto a house on Main Street. Amount of damage unknown.
NWS Wind Report Location: .69 N Orange, MA
58 mph
Jul 21, 2010
9:34 PM EST-5
Wind report for July 21, 2010
Bucks County · 163,752 Homes in County
Wind Report Description: A severe thunderstorm knocked down a couple of trees in Kulp Park near the intersection of Second and West Market Streets in Perkasie.
NWS Wind Report Location: .55 W Perkasie, PA
60 mph
Jul 21, 2010
7:30 PM MST-7
Wind report for July 21, 2010
Luna County · 6,472 Homes in County
Wind Report Description: Hangar at the Columbus Airport was damaged due to wind.
NWS Wind Report Location: 2 N Columbus, NM
58 mph
Jul 21, 2010
9:25 PM EST-5
Wind report for July 21, 2010
Screven County · 4,119 Homes in County
Wind Report Description: Law enforcement reported a tree down on Statesboro Highway, approximately 3 miles south-southwest of Sylvania, Georgia.
NWS Wind Report Location: 2.7 WSW Altman, GA
58 mph
Jul 21, 2010
9:20 PM EST-5
Wind report for July 21, 2010
Screven County · 4,119 Homes in County
Wind Report Description: Law enforcement reported four trees down, one on Rocky Ford Road, another on Stoopto Road, another on Edenfied Road, and the last on Fire Tower Road. The tree damage occurred approximately 6 miles west of Sylvania, Georgia.
NWS Wind Report Location: 1.16 E Woodcliff, GA
Showing 15 of 287
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 July 21, 2010

10 reports
EF1 category
Jul 21, 2010
6:24 PM EST-5
Tornado report for July 21, 2010
York County · 79,647 Homes in County
Tornado Report Description: A tornado touched down between Back and Walnut Hill Roads in Shapleigh and moved east into Alfred before lifting off the ground on the east side of Back Road in Alfred. The E-F1 tornado was estimated to have maximum winds of 90 mph and cut a path about 5.4 miles in length and up to 200 yards wide. Damage from the tornado was observed across or near Stone Haven Hill Road and Walnut Hill Road in Shapleigh...and Gebung, Bracket Hill, Gore, Rt 202, Cranberry Meadows and Back Roads in Alfred. The tornado downed hundreds of trees along its path and falling trees knocked down utility lines and snapped power poles in the path. Several structures were also damaged by falling trees.
NWS Tornado Report Location: 2.07 E Emery Mills, ME
EF0 category
Jul 21, 2010
5:48 PM EST-5
Tornado report for July 21, 2010
Cumberland County · 97,126 Homes in County
Tornado Report Description: A tornado touched down just west of East Webster Road in Buxton and then moved east into Gorham. The tornado produced a discontinuous path of damage through Gorham before lifting off the ground near the intersection of Routes 237 and 25. The tornado snapped or uprooted hundreds of trees along of its track. The most significant damage was observed near Route 202 where maximum winds were estimated at near 90 mph. The tornado was on the ground for about 5 miles, had a maximum width of about 350 yards, and was classified as an E-F1 based on the estimated wind speed. The tornado downed trees unto power lines, homes. and cars in the area and caused numerous power outages. In one instance, farm trailers were moved 50 to 75 feet by the tornado and sheds were destroyed. In Gorham...damage was noted along Finn Parker and Wood Roads...Lovers Lane...Kimball Road...Wentworth Drive...and Lawn and Libby Roads as well as Route 237.
NWS Tornado Report Location: 1.99 SW West Gorham, ME
EF0 category
Jul 21, 2010
5:47 PM EST-5
Tornado report for July 21, 2010
York County · 79,647 Homes in County
Tornado Report Description: A tornado touched down just west of Webster Road in Buxton and then moved east into Gorham. The tornado produced a discontinuous path of damage through Gorham before lifting off the ground near the intersection of Routes 237 and 25. The tornado snapped or uprooted hundreds of trees along of its track. The most significant damage was observed near Route 202 where maximum winds were estimated at near 90 mph. The tornado was on the ground for about 5 miles, had a maximum width of about 350 yards, and was classified as an E-F1 based on the estimated wind speed. The tornado downed trees unto power lines, homes. and cars in the area and caused numerous power outages. In one instance, farm trailers were moved 50 to 75 feet by the tornado and sheds were destroyed. In Gorham...damage was noted along Finn Parker and Wood Roads...Lovers Lane...Kimball Road...Wentworth Drive...and Lawn and Libby Roads as well as Route 237.
NWS Tornado Report Location: .79 N Groveville, ME
EF1 category
Jul 21, 2010
5:15 PM EST-5
Tornado report for July 21, 2010
York County · 79,647 Homes in County
Tornado Report Description: A tornado touched down in Newfield on the west side of Patterson Road and moved east into Limerick crossing Patterson and Foss roads before lifting off the ground. The E-F1 tornado was estimated to have maximum winds of 90 mph and cut a path almost 2 miles in length and up to 200 yards wide. Hundreds of trees were snapped or uprooted by the tornado. In addition, the tornado damaged several homes and buildings in the area. Sections of the metal roof of one home were found about 0.2 miles from the house.
NWS Tornado Report Location: .49 ESE Newfield, ME
EF1 category
Jul 21, 2010
3:15 PM EST-5
Tornado report for July 21, 2010
Hartford County
Tornado Report Description: A brief tornado touchdown occurred on the east side of Rockwell Park and had an intermittent damage path, mostly at the tree top level, to the end of High Street. Straight line winds appeared to be the main cause of damage in Bristol, however, damage from a small, brief tornado was also evident. Trees felled in different directions, tree tops twisted off, and shearing off of tree tops were the nature of tree damage viewed by NWS Storm Survey team members in the area of High and Blakeslee Streets. This is consistent with low end EF1 tornado damage. Damage was consistent with a maximum wind speed of about 90 mph. Numerous trees were downed, bringing down wires and power lines, as well as moving a garage off its foundation, blowing lawn furniture several houses down the street, and crushing an above ground pool. The Imagine Nation Museum which was very near the damage path recorded a wind gust of 67 mph on their anemometer.
NWS Tornado Report Location: .79 WNW Bristol, CT
EF1 category
Jul 21, 2010
3:05 PM EST-5
Tornado report for July 21, 2010
Litchfield County
Tornado Report Description: A supercell that moved across Litchfield County during the afternoon hours produced a tornado that made brief touchdowns in East Litchfield, Thomaston and Terryville with damage mainly to hardwood and softwood trees. There was little evidence of direct structural damage.||In Terryville, tornadic damage occurred along Prospect Street and Route 6. Damage was reported to a gas station awning on Route 6.
NWS Tornado Report Location: .93 NNE Terryville, CT
EF1 category
Jul 21, 2010
2:58 PM EST-5
Tornado report for July 21, 2010
Litchfield County
Tornado Report Description: A supercell that moved across Litchfield County during the afternoon hours produced a tornado that made brief touchdowns in East Litchfield, Thomaston and Terryville with damage mainly to hardwood and softwood trees. There was little evidence of direct structural damage.||In Thomaston, tornadic damage occurred near D Welton Way.
NWS Tornado Report Location: 1.4 NNW Thomaston, CT
EF1 category
Jul 21, 2010
2:55 PM EST-5
Tornado report for July 21, 2010
Litchfield County
Tornado Report Description: A supercell that moved across Litchfield County during the afternoon hours produced a tornado that made brief touchdowns in East Litchfield, Thomaston and Terryville with damage mainly to hardwood and softwood trees. There was little evidence of direct structural damage.||In Thomaston, tornadic damage occurred just west of Fenn Road.
NWS Tornado Report Location: 1.66 N Thomaston, CT
EF1 category
Jul 21, 2010
2:51 PM EST-5
Tornado report for July 21, 2010
Litchfield County
Tornado Report Description: A supercell that moved across Litchfield County during the afternoon hours produced a tornado that made brief touchdowns in East Litchfield, Thomaston and Terryville with damage mainly to hardwood and softwood trees. There was little evidence of direct structural damage.||In East Litchfield, tornadic damage occurred in a line across East Litchfield Road and East Litchfield Road South.
NWS Tornado Report Location: .92 NNW East Litchfield, CT
EF0 category
Jul 21, 2010
12:24 PM CST-6
Tornado report for July 21, 2010
Vermilion County · 27,107 Homes in County
Tornado Report Description: A tornado briefly touched down in a field north of Sidell. No damage was reported.
NWS Tornado Report Location: .84 N Sidell, IL
Showing 10 of 10
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 July 21, 2010 on the Interactive Map

Report type
Hail
Wind
Tornado

Get a Remote Hail Inspection

Not sure if hail may have affected your home on July 21, 2010? 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 July 21, 2010?

Our records show 117 hail, 287 wind, and 10 tornado reports on July 21, 2010, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on July 21, 2010.

What was the largest hail reported on July 21, 2010?

The largest hail size in these storm-report records on July 21, 2010 is 2.00″, reported near N Tomkins Cove, NY.

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 July 21, 2010 — 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 July 21, 2010 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 July 21, 2010?

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 July 21, 2010 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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