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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports in August 2021

Public hail, wind, and tornado reports across the United States in August 2021 from August 1, 2021 through August 31, 2021, 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
629
Wind Reports
3,789
Tornado Reports
148
Max Hail Size
4.50″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · August 2021 · 2021–present Updated  Daily · last Aug 31, 2021

NWS Hail Reports in August 2021

30 reports
Free hail report for your home →
1.00″ hail
Aug 31, 2021
5:43 AM UTC
Hail report for August 2021
Dodge County · 12,231 Homes in County
Hail Report Description: REPORT FROM MPING: QUARTER (1.00 IN.).
NWS Hail Report Location: Snyder, NE
1.00″ hail
Aug 31, 2021
5:40 AM UTC
Hail report for August 2021
Pierce County · 2,855 Homes in County
Hail Report Description: TRAINED SPOTTER SENT IN A PICTURE OF QUARTER SIZE HAIL IN HADAR.
NWS Hail Report Location: Hadar, NE
1.75″ hail
Aug 31, 2021
4:45 AM UTC
Hail report for August 2021
Stanton County · 2,241 Homes in County
Hail Report Description: EMERGENCY MANAGER REPORTED GOLF BALL SIZE HAIL.
NWS Hail Report Location: 5 N Stanton, NE
1.75″ hail
Aug 31, 2021
4:45 AM UTC
Hail report for August 2021
Knox County · 3,905 Homes in County
Hail Report Description: TRAINED SPOTTER REPORTED GOLF BALL SIZED HAIL IN VERDIGRE.
NWS Hail Report Location: Verdigre, NE
1.00″ hail
Aug 31, 2021
4:42 AM UTC
Hail report for August 2021
Stanton County · 2,241 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2 WNW Pilger, NE
1.00″ hail
Aug 31, 2021
4:25 AM UTC
Hail report for August 2021
Cherry County · 2,397 Homes in County
Hail Report Description: DELAYED REPORT
NWS Hail Report Location: 9 S Valentine, NE
1.75″ hail
Aug 31, 2021
4:15 AM UTC
Hail report for August 2021
Cedar County · 3,475 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5 ENE Fordyce, NE
1.00″ hail
Aug 31, 2021
4:03 AM UTC
Hail report for August 2021
Wayne County · 3,051 Homes in County
Hail Report Description: QUARTER SIZED HAIL.
NWS Hail Report Location: Winside, NE
1.00″ hail
Aug 31, 2021
4:00 AM UTC
Hail report for August 2021
Cherry County · 2,397 Homes in County
Hail Report Description: DELAYED REPORT
NWS Hail Report Location: 2 SW Valentine, NE
1.25″ hail
Aug 31, 2021
3:58 AM UTC
Hail report for August 2021
Pierce County · 2,855 Homes in County
Hail Report Description: REPORT FROM MPING: HALF DOLLAR (1.25 IN.).
NWS Hail Report Location: Osmond, NE
1.00″ hail
Aug 31, 2021
3:50 AM UTC
Hail report for August 2021
Pierce County · 2,855 Homes in County
Hail Report Description: PUBLIC ESTIMATED QUARTER SIZED HAIL FALLING IN OSMOND.
NWS Hail Report Location: 1 ENE Osmond, NE
1.00″ hail
Aug 31, 2021
3:37 AM UTC
Hail report for August 2021
Wayne County · 3,051 Homes in County
Hail Report Description: TRAINED SPOTTER REPORTED 1 INCH HAIL.
NWS Hail Report Location: Carroll, NE
1.00″ hail
Aug 31, 2021
3:30 AM UTC
Hail report for August 2021
Crawford County · 5,262 Homes in County
Hail Report Description: ESTIMATED 50 TO 60 MPH WIND ALSO.
NWS Hail Report Location: Vail, IA
1.00″ hail
Aug 31, 2021
2:50 AM UTC
Hail report for August 2021
Cherry County · 2,397 Homes in County
Hail Report Description: DELAYED REPORT. TIME ESTIMATED BY RADAR.
NWS Hail Report Location: Crookston, NE
1.00″ hail
Aug 31, 2021
2:50 AM UTC
Hail report for August 2021
Ziebach County · 543 Homes in County
Hail Report Description: MARBLE WITH A FEW QUARTER SIZE HAIL.
NWS Hail Report Location: 3 ENE Red Elm, SD
Showing 15 of 30
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 in August 2021

30 reports
Free hail report + wind check →
UNK mph
Aug 31, 2021
11:59 PM UTC
Wind report for August 2021
Montgomery County · 22,582 Homes in County
Wind Report Description: CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 E MERRIMAC. A LARGE TREE BLOCKING THE ROAD ALONG THE 936 BLOCK OF JENELLE ROAD.
NWS Wind Report Location: 2 E Merrimac, VA
UNK mph
Aug 31, 2021
11:53 PM UTC
Wind report for August 2021
Imperial County · 35,818 Homes in County
Wind Report Description: CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 SSW WIEST. POWER POLE DOWN AND BLOCKING TRAFFIC. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 1 SSW Wiest, CA
UNK mph
Aug 31, 2021
11:18 PM UTC
Wind report for August 2021
Montgomery County · 22,582 Homes in County
Wind Report Description: TREE DOWN PARTIALLY BLOCKING CATAWBA ROAD. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 4 ENE Blacksburg, VA
UNK mph
Aug 31, 2021
11:17 PM UTC
Wind report for August 2021
Montgomery County · 22,582 Homes in County
Wind Report Description: LARGE TREE LIMB DOWN ON HAPPY HOLLOW ROAD. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 2 NE Blacksburg, VA
UNK mph
Aug 31, 2021
11:08 PM UTC
Wind report for August 2021
Montgomery County · 22,582 Homes in County
Wind Report Description: A LARGE TREE BLOCKS THE INTERSECTION OF HAPPY HOLLOW ROAD AND GOBBLERS KNOB ROAD.
NWS Wind Report Location: 2 ENE Blacksburg, VA
UNK mph
Aug 31, 2021
11:05 PM UTC
Wind report for August 2021
Montgomery County · 22,582 Homes in County
Wind Report Description: TREE DOWN ONTO A CAR ON MAIN STREET NEAR THE CELLAR RESTAURANT. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: Blacksburg, VA
UNK mph
Aug 31, 2021
10:41 PM UTC
Wind report for August 2021
Watauga County · 21,379 Homes in County
Wind Report Description: TREE DOWN ALONG BLUE RIDGE PARKWAY NEAR MILEPOST 281. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 1 ESE Rutherwood, NC
UNK mph
Aug 31, 2021
10:36 PM UTC
Wind report for August 2021
Watauga County · 21,379 Homes in County
Wind Report Description: TREE DOWN IN THE 8700 BLOCK OF NC HIGHWAY 321. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 2 SW Peoria, NC
UNK mph
Aug 31, 2021
10:32 PM UTC
Wind report for August 2021
Watauga County · 21,379 Homes in County
Wind Report Description: TREE DOWN ON BAMBOO ROAD. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 2 NNE Aho, NC
UNK mph
Aug 31, 2021
9:55 PM UTC
Wind report for August 2021
Caldwell County · 26,874 Homes in County
Wind Report Description: TREE DOWN ON SIERRA COURT IN GAMEWELL COMMUNITY OF CALDWELL COUNTY.
NWS Wind Report Location: 5 WSW Lenoir, NC
UNK mph
Aug 31, 2021
9:50 PM UTC
Wind report for August 2021
Burke County · 28,316 Homes in County
Wind Report Description: MULTIPLE TREES DOWN NEAR BETHEL PARK... ON BETHEL ROAD.
NWS Wind Report Location: 2 E Morganton, NC
UNK mph
Aug 31, 2021
9:45 PM UTC
Wind report for August 2021
Burke County · 28,316 Homes in County
Wind Report Description: 911 CALL CENTER REPORTED TREE DOWN ON LYTLE DR
NWS Wind Report Location: 2 SSW Glen Alpine, NC
UNK mph
Aug 31, 2021
9:35 PM UTC
Wind report for August 2021
McDowell County · 14,715 Homes in County
Wind Report Description: TREES DOWN NEAR LAKE JAMES IN MARION. REPORTED 68MPH WIND GUST.
NWS Wind Report Location: 5 NNE Marion, NC
UNK mph
Aug 31, 2021
9:32 PM UTC
Wind report for August 2021
Burke County · 28,316 Homes in County
Wind Report Description: A FEW TREES WERE BLOWN DOWN IN THE PLEASANT GROVE AREA.
NWS Wind Report Location: 1 NNW Pleasant Grove, NC
UNK mph
Aug 31, 2021
9:30 PM UTC
Wind report for August 2021
McDowell County · 14,715 Homes in County
Wind Report Description: TREES DOWN AT ROBINSON ROAD AND NORTH MAIN STREET IN MARION.
NWS Wind Report Location: 1 NW Marion, NC
Showing 15 of 30
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 in August 2021

30 reports
UNK category
Aug 31, 2021
11:33 PM UTC
Tornado report for August 2021
Geneva County · 8,804 Homes in County
Tornado Report Description: AN EF0 TORNADO TRACKED FROM EXTREME NORTHEAST GENEVA COUNTY INTO HOUSTON COUNTY. DAMAGE TO A BARN WAS OBSERVED IN ADDITION TO VIDEO OF THE TORNADO.
NWS Tornado Report Location: 1 WSW Bailey Crossroad, AL
UNK category
Aug 31, 2021
11:13 PM UTC
Tornado report for August 2021
Dale County · 14,979 Homes in County
Tornado Report Description: A TORNADO WAS REPORTED IN MIDLAND CITY. DAMAGE TO THE LOCAL HIGH SCHOOL WAS ALSO REPORTED.
NWS Tornado Report Location: 1 WNW Midland City, AL
UNK category
Aug 31, 2021
10:40 PM UTC
Tornado report for August 2021
Montgomery County · 22,582 Homes in County
Tornado Report Description: TORNADO FORMED IN A FIELD JUST SOUTH OF I-81 AND CROSSED IN FRONT OF THEM AT EXIT 108 ON I-81. TYLER ROAD AND MUD PIKE.
NWS Tornado Report Location: 2 NNE Childress, VA
UNK category
Aug 31, 2021
9:10 PM UTC
Tornado report for August 2021
Houston County · 35,016 Homes in County
Tornado Report Description: EMERGENCY MANAGER REPORTED DAMAGE TO 1 HOME... OUTBUILDINGS... AND TREES IN TAYLOR.
NWS Tornado Report Location: Taylor, AL
UNK category
Aug 30, 2021
8:45 PM UTC
Tornado report for August 2021
Macon County · 6,144 Homes in County
Tornado Report Description: NWS STORM SURVEY PERSONNEL FOUND DAMAGE CONSISTENT WITH A BRIEF EF-0 TORNADO NEAR RED RD... GENERALLY EAST SOUTHEAST OF TUSKEGEE... AL. A FEW TREES AND TREE LIMBS WERE BLOWN DOWN... AND ONE RESIDENCE SUSTAINED MINOR DAMAGE TO SIDING AND ROOFING MATERIAL.
NWS Tornado Report Location: 5 ESE Lake Tuskegee, AL
UNK category
Aug 30, 2021
7:10 PM UTC
Tornado report for August 2021
Pike County · 9,312 Homes in County
Tornado Report Description: FIRE DEPARTMENT REPORTED A TORNADO AT CR 3304 AND HIGHWAY 231. NO DAMAGE REPORTED AT THIS TIME.
NWS Tornado Report Location: 1 WNW Antioch, AL
UNK category
Aug 30, 2021
7:06 PM UTC
Tornado report for August 2021
Pike County · 9,312 Homes in County
Tornado Report Description: CORRECTS PREVIOUS TORNADO REPORT FROM 1 WNW ANTIOCH. FIRE DEPARTMENT REPORTED A TORNADO AT CR 3304 AND HIGHWAY 231. NO DAMAGE REPORTED AT THIS TIME. SEVERAL VIDEOS WERE RECEIVED OF THE TORNADO.
NWS Tornado Report Location: 1 WNW Antioch, AL
UNK category
Aug 30, 2021
7:02 PM UTC
Tornado report for August 2021
Pike County · 9,312 Homes in County
Tornado Report Description: NWS STORM SURVEY PERSONNEL FOUND DAMAGE CONSISTENT WITH AN EF-0 TORNADO IN THE ANTIOCH COMMUNITY SOUTHEAST OF TROY... AL. THE TORNADO TOUCHED DOWN NEAR WHITE WATER CREEK RD AND TRAVELED NORTHEAST WHILE KNOCKING DOWN A FEW TREES AND TREE LIMBS. THE TORNADO THEN MOVED MORE NORTHWARD AND CROSSED US HWY 231 WHERE A FEW FOLKS OBTAINED VIDEO FOOTAGE OF THE TORNADO. THE TORNADO LIFTED NEAR PARRON CHURCH RD.
NWS Tornado Report Location: 3 SSW Antioch, AL
UNK category
Aug 30, 2021
6:34 PM UTC
Tornado report for August 2021
Clarke County · 7,832 Homes in County
Tornado Report Description: TREES DOWN ON EVERGREEN RD. PROBABLE TORNADO WITH DEBRIS SIGNATURE NOTED ON RADAR.
NWS Tornado Report Location: 1 S Walker Springs, AL
UNK category
Aug 30, 2021
6:25 PM UTC
Tornado report for August 2021
Clarke County · 7,832 Homes in County
Tornado Report Description: THE TORNADO LIKELY BEGAN NEAR SOCIETY HILL RD SOUTH OF OREGON RD WHERE A MOBILE HOME WAS ROLLED AND ANOTHER HOME LOST MOST OF ITS ROOF. THE TORNADO CONTINUED NORTHEAST WHERE NUMEROUS SOFTWOOD SNAPS AND UPROOTS WERE NOTED AS THE TORNADO CROSSED SOCIETY HILL RD. THE TORNADO THEN LIKELY CONTINUED ACROSS HEAVILY FORESTED AREAS BEFORE CROSSING GAINESTOWN RD WHERE A COUPLE UPROOTED SOFTWOODS WERE NOTED. THE TORNADO LIKELY DISSIPATED NORTH OF GAINESTOWN RD.
NWS Tornado Report Location: 1 N Choctaw Bluff, AL
UNK category
Aug 30, 2021
5:32 PM UTC
Tornado report for August 2021
Mobile County · 135,034 Homes in County
Tornado Report Description: TREE THROUGH A HOUSE ON ELLISON AVE.
NWS Tornado Report Location: 2 E Creola, AL
UNK category
Aug 30, 2021
5:29 PM UTC
Tornado report for August 2021
Mobile County · 135,034 Homes in County
Tornado Report Description: TREE AND POWER LINE DAMAGE REPORTED OFF OF LISTER DAIRY RD. PICTURES VIA SOCIAL MEDIA.
NWS Tornado Report Location: 1 E I65 And Us 43, AL
UNK category
Aug 30, 2021
5:29 PM UTC
Tornado report for August 2021
Mobile County · 135,034 Homes in County
Tornado Report Description: DAMAGE REPORTED WITH TREES DOWN ON BOBOSHILLY CIRCLE.
NWS Tornado Report Location: 1 SE I65 And Us 43, AL
UNK category
Aug 30, 2021
5:22 PM UTC
Tornado report for August 2021
Mobile County · 135,034 Homes in County
Tornado Report Description: *** 1 INJ *** 18 WHEELER FLIPPED IN A PARKING LOT. THE DRIVER WAS INJURED AND TAKEN TO THE HOSPITAL.
NWS Tornado Report Location: Saraland, AL
UNK category
Aug 30, 2021
5:20 PM UTC
Tornado report for August 2021
Mobile County · 135,034 Homes in County
Tornado Report Description: *** 3 INJ *** THE TORNADO BEGAN AT THE INTERSECTION OF HIGHWAY 158 AND 43 WHERE TREES WERE UPROOTED AND A FEW PINES SNAPPED. AS THE TORNADO MOVED NORTHEAST ALONG HWY 43... IT PRODUCED SPORADIC DAMAGE TO TREES. THE ROOF OF A MOTEL ON THE WEST SIDE OF HWY 43 WAS UPLIFTED AND PARTIALLY REMOVED. AS THE TORNADO CROSSED 43... THE MOST INTENSE DAMAGE OCCURRED WHERE SEVERAL SECTIONS OF ANOTHER MOTEL`S ROOF WAS REMOVED... ONE PERSON HAD MINOR INJURIES AT THE MOTEL. THE TORNADO CONTINUED NORTHEAST AND CROSSED JACKINTOPORT BLVD. WHERE THE ROOF OF AN OPEN SIDED INDUSTRIAL BUILDING WAS PARTIALLY REMOVED AND AN 18 WHEELER WAS OVERTURNED. ANOTHER INJURY OCCURED WITH THE OVERTURNED TRACTOR TRAILER. TREE DAMAGE BECAME SPORADIC AND THE PATH MAY HAVE BEEN DISCONTINUOUS UNTIL SEVERAL SOFTWOOD TREES WERE UPROOTED OR SNAPPED ALONG BAYOU SARA AVE. THE TORNADO LIKELY CONTINUED NORTHEAST ALONG GUNNISON CREEK AND DAMAGE WAS FOUND AS THE TORNADO CROSSED NEAR BOBOSHILLY CIR. THIS WAS WHERE THE MOST SIGNIFICANT TREE
NWS Tornado Report Location: 2 S Saraland, AL
Showing 15 of 30
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 in August 2021 on the Interactive Map

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Browse NWS Storm Reports by Day in August 2021

August 31, 2021 146
Hail, wind & tornado reports
August 30, 2021 110
Hail, wind & tornado reports
August 29, 2021 134
Hail, wind & tornado reports
August 28, 2021 169
Hail, wind & tornado reports
August 27, 2021 201
Hail, wind & tornado reports
August 26, 2021 159
Hail, wind & tornado reports
August 25, 2021 138
Hail, wind & tornado reports
August 24, 2021 138
Hail, wind & tornado reports
August 23, 2021 47
Hail, wind & tornado reports
August 22, 2021 96
Hail, wind & tornado reports
August 21, 2021 108
Hail, wind & tornado reports
August 20, 2021 57
Hail, wind & tornado reports
August 19, 2021 89
Hail, wind & tornado reports
August 18, 2021 71
Hail, wind & tornado reports
August 17, 2021 87
Hail, wind & tornado reports

Get a Remote Hail Inspection

Not sure if hail may have affected your home in August 2021? 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 in August 2021?

Our records show 629 hail, 3,789 wind, and 148 tornado reports in August 2021, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 31, 2021.

What was the largest hail reported in August 2021?

The largest hail size in these storm-report records in August 2021 is 4.50″, reported near Deerfield, SD.

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 in August 2021 — 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 in August 2021 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 in August 2021?

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 in August 2021 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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