Heads up! Small hail spotted in these regions: Sebring, FL • North Port, FL • Fayetteville, NC • Durham, NC • Champaign, IL • Fort Myers, FL • Lakeland, FL • Mattoon, IL • Hickory, NC      ATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Charlotte, NC • Owensboro, KY • Knoxville, TN • Evansville, IN • Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UT      
HailGeeks
NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports in August 2018

Public hail, wind, and tornado reports across the United States in August 2018 from August 1, 2018 through August 31, 2018, 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
671
Wind Reports
2,540
Tornado Reports
93
Max Hail Size
4.25″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · August 2018 · 2018–present Updated  Daily · last Aug 31, 2018

NWS Hail Reports in August 2018

30 reports
Free hail report for your home →
1.75″ hail
Aug 31, 2018
11:49 PM UTC
Hail report for August 2018
Logan County · 330 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 7 ENE Stapleton, NE
1.50″ hail
Aug 31, 2018
11:00 PM UTC
Hail report for August 2018
Wadena County · 5,209 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Nimrod, MN
1.00″ hail
Aug 31, 2018
10:58 PM UTC
Hail report for August 2018
Blaine County · 241 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5 NW Dunning, NE
1.00″ hail
Aug 31, 2018
10:48 PM UTC
Hail report for August 2018
Otter Tail County · 29,682 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 W Henning, MN
1.75″ hail
Aug 31, 2018
10:45 PM UTC
Hail report for August 2018
Wadena County · 5,209 Homes in County
Hail Report Description: REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
NWS Hail Report Location: 2 S Sebeka, MN
1.75″ hail
Aug 31, 2018
10:40 PM UTC
Hail report for August 2018
Wadena County · 5,209 Homes in County
Hail Report Description: REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
NWS Hail Report Location: 2 S Sebeka, MN
1.25″ hail
Aug 31, 2018
10:32 PM UTC
Hail report for August 2018
Otter Tail County · 29,682 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2 SSE Clitherall, MN
1.25″ hail
Aug 31, 2018
10:30 PM UTC
Hail report for August 2018
Otter Tail County · 29,682 Homes in County
Hail Report Description: TEN MINUTE DURATION WITH HAIL STONES UP TO HALF DOLLAR WITH THE AVERAGE SIZE AROUND DIMES
NWS Hail Report Location: 7 WSW Henning, MN
2.00″ hail
Aug 31, 2018
10:27 PM UTC
Hail report for August 2018
Otter Tail County · 29,682 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 S Battle Lake, MN
1.75″ hail
Aug 31, 2018
10:19 PM UTC
Hail report for August 2018
Otter Tail County · 29,682 Homes in County
Hail Report Description: REPORT AND PHOTO POSTED VIA SOCIAL MEDIA. HAIL AT FISKE LAKE PUBLIC ACCESS.
NWS Hail Report Location: 4 WSW Battle Lake, MN
1.00″ hail
Aug 31, 2018
10:05 PM UTC
Hail report for August 2018
Traverse County · 1,604 Homes in County
Hail Report Description: RADAR ESTIMATED TIME.
NWS Hail Report Location: 7 W Tintah, MN
1.00″ hail
Aug 31, 2018
9:55 PM UTC
Hail report for August 2018
Logan County · 330 Homes in County
Hail Report Description: REPORT VIA SOCIAL MEDIA
NWS Hail Report Location: 13 ENE Tryon, NE
1.00″ hail
Aug 31, 2018
9:48 PM UTC
Hail report for August 2018
Richland County · 5,194 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 S Lamars, ND
2.00″ hail
Aug 31, 2018
9:36 PM UTC
Hail report for August 2018
Richland County · 5,194 Homes in County
Hail Report Description: MEASUREMENT POSTED VIA PHOTO AND SOCIAL MEDIA.
NWS Hail Report Location: Fairmount, ND
1.25″ hail
Aug 31, 2018
9:35 PM UTC
Hail report for August 2018
Richland County · 5,194 Homes in County
Hail Report Description: TIME ESTIMATED VIA RADAR
NWS Hail Report Location: Fairmount, ND
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 2018

30 reports
Free hail report + wind check →
UNK mph
Aug 31, 2018
11:55 PM UTC
Wind report for August 2018
Crow Wing County · 33,993 Homes in County
Wind Report Description: MANY TREES SNAPPED 20-30 FEET UP.
NWS Wind Report Location: 5 ESE Crosslake, MN
UNK mph
Aug 31, 2018
11:53 PM UTC
Wind report for August 2018
Crow Wing County · 33,993 Homes in County
Wind Report Description: LOTS OF TREES AND POWER LINES KNOCKED DOWN. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 2 S Emily, MN
UNK mph
Aug 31, 2018
11:45 PM UTC
Wind report for August 2018
Crow Wing County · 33,993 Homes in County
Wind Report Description: LOTS OF TREES AND POWER LINES DOWNED. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: Crosslake, MN
UNK mph
Aug 31, 2018
11:36 PM UTC
Wind report for August 2018
Crow Wing County · 33,993 Homes in County
Wind Report Description: LOTS OF TREE DAMAGE AND POWER LINES DOWNED. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: Pequot Lakes, MN
UNK mph
Aug 31, 2018
11:33 PM UTC
Wind report for August 2018
Quitman County · 910 Homes in County
Wind Report Description: TWO TREES REPORTED DOWN IN QUITMAN COUNTY.
NWS Wind Report Location: Hatcher, GA
UNK mph
Aug 31, 2018
11:10 PM UTC
Wind report for August 2018
Catawba County · 48,798 Homes in County
Wind Report Description: 911 CALL CENTER REPORTED TREES DOWN ALONG ROBINSON RD.
NWS Wind Report Location: 5 SSE Hickory, NC
UNK mph
Aug 31, 2018
11:05 PM UTC
Wind report for August 2018
Terrell County · 3,160 Homes in County
Wind Report Description: ONE TREE DOWN NEAR SASSER... GA.
NWS Wind Report Location: Sasser, GA
UNK mph
Aug 31, 2018
10:40 PM UTC
Wind report for August 2018
Gaston County · 72,817 Homes in County
Wind Report Description: TREES DOWN NEAR PHILADELPHIA CHURCH AND HARDIN RDS.
NWS Wind Report Location: 1 E High Shoals, NC
UNK mph
Aug 31, 2018
10:30 PM UTC
Wind report for August 2018
Dougherty County · 24,380 Homes in County
Wind Report Description: ONE TREE DOWN NEAR 2011 SPRINGFLATS RD. IN DOUGHERTY COUNTY.
NWS Wind Report Location: 1 ESE Pecan City, GA
UNK mph
Aug 31, 2018
10:10 PM UTC
Wind report for August 2018
Mitchell County · 5,652 Homes in County
Wind Report Description: TREE DOWN ON HIGHWAY 112 JUST NORTH OF GREENOUGH.
NWS Wind Report Location: 1 NNE Greenough, GA
UNK mph
Aug 31, 2018
10:08 PM UTC
Wind report for August 2018
Mitchell County · 5,652 Homes in County
Wind Report Description: ONE TREE DOWN ON PALMER STREET. NORTH SIDE OF CAMILLA... GA.
NWS Wind Report Location: 1 NNW Camilla, GA
UNK mph
Aug 31, 2018
10:00 PM UTC
Wind report for August 2018
Miller County · 2,050 Homes in County
Wind Report Description: TREE DOWN ON WAYCASER ROAD.
NWS Wind Report Location: 2 SSE Cooktown, GA
UNK mph
Aug 31, 2018
9:57 PM UTC
Wind report for August 2018
Mitchell County · 5,652 Homes in County
Wind Report Description: TREE DOWN RESULTING IN A POWER OUTAGE ALONG CONCORD STREET NE IN PELHAM.
NWS Wind Report Location: 1 NNE Pelham, GA
UNK mph
Aug 31, 2018
9:53 PM UTC
Wind report for August 2018
Mitchell County · 5,652 Homes in County
Wind Report Description: LARGE BRANCH FELL ON A POWER LINE CAUSING SPARKS.
NWS Wind Report Location: 1 ESE Pelham, GA
UNK mph
Aug 31, 2018
9:53 PM UTC
Wind report for August 2018
Mitchell County · 5,652 Homes in County
Wind Report Description: ONE TREE DOWN ALONG HIGHWAY 93.
NWS Wind Report Location: Cotton, GA
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 2018

30 reports
UNK category
Aug 29, 2018
1:14 AM UTC
Tornado report for August 2018
Arenac County · 7,789 Homes in County
Tornado Report Description: AN EF-1 TORNADO WITH ESTIMATED MAXIMUM WINDS OF 100 MPH BRIEFLY TOUCHED DOWN ABOUT 2.25 MILES SOUTH OF AU GRES NEAR THE POINT AU GRES CAMPGROUND BEFORE LIFTING NEAR THE LAKE HURON SHORELINE. TORNADO PATH LENGTH WAS 0.91 MILES WITH A MAXIMUM WIDTH OF 50 YARDS.
NWS Tornado Report Location: 2 S Au Gres, MI
UNK category
Aug 29, 2018
12:58 AM UTC
Tornado report for August 2018
Arenac County · 7,789 Homes in County
Tornado Report Description: AN EF-0 TORNADO WITH ESTIMATED MAXIMUM WINDS OF 85 MPH BRIEFLY TOUCHED DOWN ALONG THE RIFLE RIVER ABOUT 3.75 MILES NORTHEAST OF STERLING. TORNADO PATH LENGTH WAS 0.40 MILES WITH A MAXIMUM WIDTH OF 40 YARDS.
NWS Tornado Report Location: 4 NE Sterling, MI
UNK category
Aug 29, 2018
12:53 AM UTC
Tornado report for August 2018
Ogemaw County · 13,205 Homes in County
Tornado Report Description: A BRIEF EF-1 TORNADO WITH MAXIMUM WINDS OF 100 MPH TOUCHED DOWN 4 MILES NORTHEAST OF WEST BRANCH IN CENTRAL OGEMAW COUNTY. DAMAGE WAS MAINLY CONFINED TO TWO HOMES ALONG MUD LAKE RD. TORNADO PATH LENGTH WAS 0.17 MILES WITH A MAXIMUM WIDTH OF 40 YARDS.
NWS Tornado Report Location: 4 NE West Branch, MI
UNK category
Aug 29, 2018
12:10 AM UTC
Tornado report for August 2018
Clinton County · 16,713 Homes in County
Tornado Report Description: EF0 TORNADO WITH WINDS OF 80 MPH TOUCHED DOWN ON THE CLINTON AND SCOTT COUNTY LINES. MINOR DAMAGE MAINLY TO TREE BRANCHES WAS OBSERVED. THE TORNADO THEN STRENGTHENED AND CAUSED DAMAGE TO TREES AND HOUSE. TOWARDS THE END OF ITS PATH IT CAUSED MAINLY DAMAGE TO CORN.
NWS Tornado Report Location: 4 SSE Grand Mound, IA
UNK category
Aug 28, 2018
11:57 PM UTC
Tornado report for August 2018
Antrim County · 14,763 Homes in County
Tornado Report Description: TORNADO CONFIRMED BY RADAR (TDS). NO OTHER REPORTS AT THIS TIME.
NWS Tornado Report Location: 4 ENE Alba, MI
UNK category
Aug 28, 2018
11:49 PM UTC
Tornado report for August 2018
Antrim County · 14,763 Homes in County
Tornado Report Description: AN EF-0 TORNADO WITH ESTIMATED MAXIMUM WINDS OF 80 MPH TOUCHED DOWN 3.5 MILES SOUTH OF ALBA AND FOLLOWED A DISCONTINUOUS PATH TO THE NORTHEAST LIFTING JUST BEFORE THE OTSEGO COUNTY LINE. TORNADO PATH LENGTH WAS 6.78 MILES WITH A MAXIMUM WIDTH OF 70 YARDS.
NWS Tornado Report Location: 3 S Alba, MI
UNK category
Aug 28, 2018
11:30 PM UTC
Tornado report for August 2018
Lake County · 9,446 Homes in County
Tornado Report Description: AN EF-1 TORNADO WITH ESTIMATED MAX WINDS OF 100 MPH CAUSED TREE AND PROPERTY DAMAGE JUST EAST OF THE VILLAGE OF BALDWIN NEAR IDLEWILD. PATH LENGTH AROUND 1 MILE. MAXIMUM PATH WIDTH OF AROUND 500 YARDS. THIS TORNADO WAS THE SECOND TORNADO PRODUCED FROM THIS STORM AND TOUCHED DOWN JUST UNDER ONE MILE FROM THE END OF THE TRACK OF THE PREVIOUS TORNADO.
NWS Tornado Report Location: 1 SE Baldwin, MI
UNK category
Aug 28, 2018
11:27 PM UTC
Tornado report for August 2018
Lake County · 9,446 Homes in County
Tornado Report Description: AN EF-0 TORNADO WITH ESTIMATED MAX WINDS OF 85 MPH CAUSED TREE AND PROPERTY DAMAGE IN THE VILLAGE OF BALDWIN. PATH LENGTH AROUND 1 MILE. MAXIMUM PATH WIDTH AROUND 500 YARDS. A SECOND TORNADO TOUCHED DOWN IN LAKE COUNTY AROUND ONE-MILE TO THE SOUTHEAST OF THE END OF THE TRACK OF THIS TORNADO...NEAR IDLEWILD.
NWS Tornado Report Location: 1 WNW Baldwin, MI
UNK category
Aug 28, 2018
9:57 PM UTC
Tornado report for August 2018
Sheboygan County · 35,467 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE NORTHEAST OF OOTSBURG. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH... AND A PATH LENGTH OF 0.3 MILES.
NWS Tornado Report Location: 5 NE Oostburg, WI
UNK category
Aug 28, 2018
9:56 PM UTC
Tornado report for August 2018
Sheboygan County · 35,467 Homes in County
Tornado Report Description: TOWN OF WILSON NEAR SHEBOYGAN. VIDEO OF SMALL TORNADO BY JULIE DE PAGTER ON SOCIAL MEDIA. REPORT OF MINOR TREE DAMAGE.
NWS Tornado Report Location: 5 SSE Kohler, WI
UNK category
Aug 28, 2018
9:36 PM UTC
Tornado report for August 2018
Sheboygan County · 35,467 Homes in County
Tornado Report Description: STORM SURVEY NORTHWEST OF CASCADE. TWO HORSE SHEDS LOFTED AND CARRIED INTO A SOYBEAN FIELD WHICH HAD SOME SCOURING. MAX WINDS EST AT 100MPH.
NWS Tornado Report Location: 3 N Cascade, WI
UNK category
Aug 28, 2018
9:33 PM UTC
Tornado report for August 2018
Manitowoc County · 27,623 Homes in County
Tornado Report Description: BRIEF TORNADO DESTROYED A BARN AND DAMAGED A FEW TREES ABOUT 2.5 MILES NORTH OF KIEL NEAR THE CALUMET/MANITOWOC COUNTY LINE. OTHER WIND DAMAGE NEAR NEW HOLSTEIN AND EAST OF KIEL WAS A RESULT OF STRAIGHT-LINE WINDS ASSOCIATED WITH SAME STORM SYSTEM.
NWS Tornado Report Location: 3 N Kiel, WI
UNK category
Aug 28, 2018
9:30 PM UTC
Tornado report for August 2018
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-0 RATED TORNADO DAMAGE NEAR DUNDEE. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 80 MPH... AND A PATH LENGTH OF 0.04 MILES.
NWS Tornado Report Location: 1 ENE Dundee, WI
UNK category
Aug 28, 2018
9:27 PM UTC
Tornado report for August 2018
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: DAMAGE SURVEY FROM SOUTHWEST OF MULLET LAKE. ONE BARN DIRECTLY HIT WITH DEBRIS CARRIED DOWNSTREAM THROUGH THE FIELDS. PEAK WIND EST AT 100MPH.
NWS Tornado Report Location: 6 ENE Eden, WI
UNK category
Aug 28, 2018
9:22 PM UTC
Tornado report for August 2018
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A NWS STORM SURVEY FOUND EF-1 RATED TORNADO DAMAGE SOUTH OF THE VILLAGE OF EDEN. THE TORNADO HAD AN ESTIMATED PEAK WIND OF 90 MPH... WITH A PATH LENGTH OF 4.48 MILES.
NWS Tornado Report Location: 3 SSE Eden, WI
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 2018 on the Interactive Map

Report type
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Tornado

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Browse NWS Storm Reports by Day in August 2018

August 31, 2018 74
Hail, wind & tornado reports
August 30, 2018 66
Hail, wind & tornado reports
August 29, 2018 111
Hail, wind & tornado reports
August 28, 2018 279
Hail, wind & tornado reports
August 27, 2018 124
Hail, wind & tornado reports
August 26, 2018 45
Hail, wind & tornado reports
August 25, 2018 36
Hail, wind & tornado reports
August 24, 2018 17
Hail, wind & tornado reports
August 23, 2018 47
Hail, wind & tornado reports
August 22, 2018 47
Hail, wind & tornado reports
August 21, 2018 59
Hail, wind & tornado reports
August 20, 2018 64
Hail, wind & tornado reports
August 19, 2018 42
Hail, wind & tornado reports
August 18, 2018 79
Hail, wind & tornado reports
August 17, 2018 187
Hail, wind & tornado reports

Get a Remote Hail Inspection

Not sure if hail may have affected your home in August 2018? 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 2018?

Our records show 671 hail, 2,540 wind, and 93 tornado reports in August 2018, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 31, 2018.

What was the largest hail reported in August 2018?

The largest hail size in these storm-report records in August 2018 is 4.25″, reported near Grant, 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 in August 2018 — 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 2018 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 2018?

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 2018 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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