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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on August 27, 2021

Public hail, wind, and tornado reports across the United States on August 27, 2021 from August 27, 2021 through August 27, 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 19, 2026.
Hail Reports
28
Wind Reports
167
Tornado Reports
6
Max Hail Size
3.00″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · August 27, 2021 · 2021–present Updated  Daily · last Aug 27, 2021

NWS Hail Reports on August 27, 2021

28 reports
Free hail report for your home →
1.00″ hail
Aug 27, 2021
11:45 PM UTC
Hail report for August 27, 2021
Nuckolls County · 1,995 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 N Nelson, NE
1.50″ hail
Aug 27, 2021
11:43 PM UTC
Hail report for August 27, 2021
Douglas County · 164,395 Homes in County
Hail Report Description: HAIL THE SIZE OF PING PONG BALLS WAS OBSERVED AT NWS OMAHA.
NWS Hail Report Location: 1 WNW Valley, NE
1.00″ hail
Aug 27, 2021
11:42 PM UTC
Hail report for August 27, 2021
Butte County · 2,871 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 WNW Hoover, SD
1.50″ hail
Aug 27, 2021
11:40 PM UTC
Hail report for August 27, 2021
Williams County · 9,282 Homes in County
Hail Report Description: REPORT RELAYED VIA EMERGENCY MANAGEMENT.
NWS Hail Report Location: 3 N Alamo, ND
2.00″ hail
Aug 27, 2021
11:37 PM UTC
Hail report for August 27, 2021
Douglas County · 164,395 Homes in County
Hail Report Description: CALLER REPORTED 2 HAILSTONE.
NWS Hail Report Location: Valley, NE
2.50″ hail
Aug 27, 2021
11:36 PM UTC
Hail report for August 27, 2021
Douglas County · 164,395 Homes in County
Hail Report Description: REPORT PASSED ALONG BY BROADCAST MEDIA. TIME ESTIMATED BASED ON RADAR DATA.
NWS Hail Report Location: Valley, NE
1.00″ hail
Aug 27, 2021
11:36 PM UTC
Hail report for August 27, 2021
McKenzie County · 3,637 Homes in County
Hail Report Description: A LOT OF SMALL HAIL WITH THE LARGEST STONE 1 INCH. HAIL DAMAGED A PICKUP TRUCK. REPORT RELAYED VIA SOCIAL MEDIA.
NWS Hail Report Location: 1 N Watford City, ND
1.25″ hail
Aug 27, 2021
11:28 PM UTC
Hail report for August 27, 2021
Douglas County · 164,395 Homes in County
Hail Report Description: CORRECTS PREVIOUS HAIL REPORT FROM 2 ENE ELKHORN. LOCATED AT 175TH AND MAPLE.
NWS Hail Report Location: 2 ENE Elkhorn, NE
1.25″ hail
Aug 27, 2021
11:22 PM UTC
Hail report for August 27, 2021
Saunders County · 8,765 Homes in County
Hail Report Description: CORRECTS PREVIOUS HAIL REPORT FROM YUTAN. REPORT FROM TWITTER.
NWS Hail Report Location: Yutan, NE
1.75″ hail
Aug 27, 2021
11:20 PM UTC
Hail report for August 27, 2021
Butte County · 2,871 Homes in County
Hail Report Description: TIME ESTIMATED
NWS Hail Report Location: 21 NW Castle Rock, SD
1.00″ hail
Aug 27, 2021
11:07 PM UTC
Hail report for August 27, 2021
Douglas County · 164,395 Homes in County
Hail Report Description: NWS EMPLOYEE SENT IN PICTURE OF HAIL THE SIZE OF QUARTERS.
NWS Hail Report Location: Elkhorn, NE
1.25″ hail
Aug 27, 2021
10:50 PM UTC
Hail report for August 27, 2021
Thayer County · 2,344 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Bruning, NE
1.00″ hail
Aug 27, 2021
10:40 PM UTC
Hail report for August 27, 2021
Valley County · 2,884 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Baylor, MT
1.00″ hail
Aug 27, 2021
9:00 AM UTC
Hail report for August 27, 2021
Kossuth County · 6,119 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 SW Wesley, IA
1.00″ hail
Aug 27, 2021
6:05 AM UTC
Hail report for August 27, 2021
Sioux County · 10,595 Homes in County
Hail Report Description: SPOTTER REPORTS HEAVY RAIN... GREEN SNAPPED CORN... DEAD BIRDS... HOLES IN SIDING AND APPROXIMATELY QUARTER SIZED HAIL.
NWS Hail Report Location: 3 S Rock Valley, IA
Showing 15 of 28
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 27, 2021

167 reports
Free hail report + wind check →
UNK mph
Aug 27, 2021
11:58 PM UTC
Wind report for August 27, 2021
Delaware County · 62,479 Homes in County
Wind Report Description: SEVERAL TREES WERE BLOWN DOWN.
NWS Wind Report Location: Sunbury, OH
UNK mph
Aug 27, 2021
11:55 PM UTC
Wind report for August 27, 2021
Winneshiek County · 7,390 Homes in County
Wind Report Description: LOTS OF POWER OUTAGES ACROSS THE SOUTHERN PART OF THE COUNTY FROM WINDS CAUSING DOWNED POWER LINES TO LIGHTNING STRIKES. COMMUNITIES IMPACTED INCLUDE SPILLVILLE... FORT ATKINSON... OSSIAN AND CALMAR. HEAVY RAIN ALSO CREATED LOTS OF STANDING WATER IN CALMAR.
NWS Wind Report Location: Spillville, IA
UNK mph
Aug 27, 2021
11:53 PM UTC
Wind report for August 27, 2021
Lake County · 9,446 Homes in County
Wind Report Description: TREE DOWN ON WIRES NEAR U.S. FOREST SERVICE RANGER STATION IN BALDWIN. PEA-SIZED HAIL ALSO OBSERVED. RELAYED VIA WFO APX.
NWS Wind Report Location: Baldwin, MI
UNK mph
Aug 27, 2021
11:50 PM UTC
Wind report for August 27, 2021
Lake County · 9,446 Homes in County
Wind Report Description: NUMEROUS TREES AND LIMBS DOWN IN BALDWIN AREA...VIA LAKE COUNTY DISPATCH. TIME ESTIMATED FROM RADAR AND CONSUMERS ENERGY OUTAGE MAP.
NWS Wind Report Location: Baldwin, MI
70 mph
Aug 27, 2021
11:42 PM UTC
Wind report for August 27, 2021
Butte County · 2,871 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 1 WNW Hoover, SD
60 mph
Aug 27, 2021
11:40 PM UTC
Wind report for August 27, 2021
Douglas County · 164,395 Homes in County
Wind Report Description: PEAK WIND GUST OF 60 MPH WAS MEASURED AT NWS OMAHA.
NWS Wind Report Location: 1 WNW Valley, NE
59 mph
Aug 27, 2021
11:39 PM UTC
Wind report for August 27, 2021
Wood County · 25,748 Homes in County
Wind Report Description: 51 KNOTS MEASURED AT THE WISCONSIN RAPIDS AIRPORT. LAW ENFORCEMENT REPORTED A COUPLE OF TREES DOWN ON THE NORTH SIDE OF TOWN.
NWS Wind Report Location: Wisconsin Rapids, WI
62 mph
Aug 27, 2021
11:36 PM UTC
Wind report for August 27, 2021
Graham County · 10,406 Homes in County
Wind Report Description: ASOS STATION KSAD SAFFORD REGIONAL AIRPORT.
NWS Wind Report Location: 4 ENE Safford, AZ
UNK mph
Aug 27, 2021
11:36 PM UTC
Wind report for August 27, 2021
Chickasaw County · 4,807 Homes in County
Wind Report Description: DAMAGE TO CORN AND TELEPHONE POLES.
NWS Wind Report Location: 1 ESE Nashua, IA
UNK mph
Aug 27, 2021
11:33 PM UTC
Wind report for August 27, 2021
Talbot County · 15,315 Homes in County
Wind Report Description: DOWNED WIRES NEAR PERRY CABIN LANE. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: Saint Michaels, MD
UNK mph
Aug 27, 2021
11:31 PM UTC
Wind report for August 27, 2021
Talbot County · 15,315 Homes in County
Wind Report Description: DOWNED TREE LIMBS AND WIRES NEAR GRACE STREET. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 1 SSW Saint Michaels, MD
UNK mph
Aug 27, 2021
11:25 PM UTC
Wind report for August 27, 2021
Wakulla County · 9,276 Homes in County
Wind Report Description: BALD POINT MESONET REPORTED A GUST OF 47 MPH.
NWS Wind Report Location: 4 SE Panacea-Wakulla Ai, FL
UNK mph
Aug 27, 2021
11:23 PM UTC
Wind report for August 27, 2021
Queen Anne's County · 17,804 Homes in County
Wind Report Description: TREE FEEL INTO A RESIDENCE ON CLOVERFIELDS DR. NO INJURIES.
NWS Wind Report Location: Stevensville, MD
UNK mph
Aug 27, 2021
11:20 PM UTC
Wind report for August 27, 2021
Rush County · 5,969 Homes in County
Wind Report Description: NORTH OF US 52 AND EAST 5TH STREET IN RUSHVILLE A TREE WAS BLOWN DOWN INTO A HOUSE. MOST OF RUSHVILLE IS WITHOUT POWER. TIME IS ESTIMATED FROM RADAR.
NWS Wind Report Location: Rushville, IN
UNK mph
Aug 27, 2021
11:20 PM UTC
Wind report for August 27, 2021
Rush County · 5,969 Homes in County
Wind Report Description: SEVERAL TREES DOWN IN RUSH COUNTY AND RUSHVILLE. TIME IS ESTIMATED FROM RADAR.
NWS Wind Report Location: 2 WNW New Salem, IN
Showing 15 of 167
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 27, 2021

6 reports
UNK category
Aug 27, 2021
11:10 PM UTC
Tornado report for August 27, 2021
Floyd County · 6,083 Homes in County
Tornado Report Description: LARGE ABOVE GROUND PROPANE TANKS WERE KNOCKED OVER BY A TORNADO.
NWS Tornado Report Location: 2 SE Marble Rock, IA
UNK category
Aug 27, 2021
11:09 PM UTC
Tornado report for August 27, 2021
Floyd County · 6,083 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: 4 SW Charles City, IA
UNK category
Aug 27, 2021
11:00 PM UTC
Tornado report for August 27, 2021
Floyd County · 6,083 Homes in County
Tornado Report Description: DAMAGE IS EXTENSIVE SOUTH TO EAST-NORTHEAST OF MARBLE ROCK.
NWS Tornado Report Location: 1 S Marble Rock, IA
UNK category
Aug 27, 2021
10:56 PM UTC
Tornado report for August 27, 2021
Floyd County · 6,083 Homes in County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: 2 W Marble Rock, IA
UNK category
Aug 27, 2021
10:15 PM UTC
Tornado report for August 27, 2021
Cerro Gordo County · 17,096 Homes in County
Tornado Report Description: TRAINED SPOTTER RELAYED REPORT TO COUNTY LAW ENFORCEMENT OF BRIEF TORNADO ON THE GROUND SOUTHEAST OF CLEAR LAKE AND SOUTH OF MASON CITY. UNCLEAR OF DAMAGE AT THIS TIME.
NWS Tornado Report Location: 5 SSE Clear Lake, IA
UNK category
Aug 27, 2021
10:07 PM UTC
Tornado report for August 27, 2021
Cerro Gordo County · 17,096 Homes in County
Tornado Report Description: TRAINED SPOTTER RELAYED REPORT TO EM OF BRIEF TORNADO TOUCH DOWN WEST OF BURCHINAL. TIME ESIMATED VIA RADAR.
NWS Tornado Report Location: 5 S Clear Lake, IA
Showing 6 of 6
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 27, 2021 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 27, 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 on August 27, 2021?

Our records show 28 hail, 167 wind, and 6 tornado reports on August 27, 2021, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 27, 2021.

What was the largest hail reported on August 27, 2021?

The largest hail size in these storm-report records on August 27, 2021 is 3.00″, reported near Rapid City Arpt, 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 on August 27, 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 on August 27, 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 on August 27, 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 on August 27, 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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