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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on September 1, 2021

Public hail, wind, and tornado reports across the United States on September 1, 2021 from September 1, 2021 through September 1, 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
15
Wind Reports
115
Tornado Reports
14
Max Hail Size
2.50″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · September 1, 2021 · 2021–present Updated  Daily · last Sep 1, 2021

NWS Hail Reports on September 1, 2021

15 reports
Free hail report for your home →
1.75″ hail
Sep 1, 2021
11:15 PM UTC
Hail report for September 1, 2021
Morrill County · 1,984 Homes in County
Hail Report Description: RECEIVED REPORTS AND PHOTOS OF CRACKED WINDSHIELDS EAST OF BAYARD.
NWS Hail Report Location: 6 E Bayard, NE
2.00″ hail
Sep 1, 2021
11:10 PM UTC
Hail report for September 1, 2021
Morrill County · 1,984 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6 W Bridgeport, NE
1.75″ hail
Sep 1, 2021
11:05 PM UTC
Hail report for September 1, 2021
Morrill County · 1,984 Homes in County
Hail Report Description: RECEIVED REPORTS OF CRACKED WINDSHIELDS DUE TO HAIL ALONG HIGHWAY 26 BETWEEN BRIDGEPORT AND SCOTTSBLUFF. TIME ESTIMATED BASED ON RADAR.
NWS Hail Report Location: 7 W Bridgeport, NE
1.00″ hail
Sep 1, 2021
5:08 AM UTC
Hail report for September 1, 2021
Aurora County · 1,061 Homes in County
Hail Report Description: HEAVY RAIN AND HAIL UP TO THE SIZE OF QUARTERS.
NWS Hail Report Location: 2 SSE Stickney, SD
1.75″ hail
Sep 1, 2021
5:05 AM UTC
Hail report for September 1, 2021
Stanton County · 2,241 Homes in County
Hail Report Description: CORRECTS PREVIOUS HAIL REPORT FROM 8 SE STANTON. PUBLIC REPORTED VIA SOCIAL MEDIA GOLF BALL SIZED HAIL.
NWS Hail Report Location: 8 SE Stanton, NE
2.50″ hail
Sep 1, 2021
4:50 AM UTC
Hail report for September 1, 2021
Knox County · 3,905 Homes in County
Hail Report Description: PUBLIC REPORTED VIA SOCIAL TENNIS BALL SIZE HAIL.
NWS Hail Report Location: Verdigre, NE
2.50″ hail
Sep 1, 2021
4:40 AM UTC
Hail report for September 1, 2021
Stanton County · 2,241 Homes in County
Hail Report Description: PUBLIC REPORTED VIA SOCIAL MEDIA 2.5 INCH HAIL NORTH OF STANTON.
NWS Hail Report Location: 5 N Stanton, NE
2.50″ hail
Sep 1, 2021
4:11 AM UTC
Hail report for September 1, 2021
Cedar County · 3,475 Homes in County
Hail Report Description: PUBLIC REPORTED VIA SOCIAL MEDIA TENNIS BALL SIZE HAIL.
NWS Hail Report Location: 4 WSW Wynot, NE
1.50″ hail
Sep 1, 2021
3:55 AM UTC
Hail report for September 1, 2021
Pierce County · 2,855 Homes in County
Hail Report Description: PUBLIC REPORTED VIA SOCIAL MEDIA 1.5 INCH HAIL IN PIERCE.
NWS Hail Report Location: Pierce, NE
1.75″ hail
Sep 1, 2021
3:06 AM UTC
Hail report for September 1, 2021
Ida County · 2,891 Homes in County
Hail Report Description: CROPS BADLY DAMAGED BY HAIL ESTIMATED AS LARGE AS GOLF BALLS.
NWS Hail Report Location: 8 S Arthur, IA
1.75″ hail
Sep 1, 2021
3:02 AM UTC
Hail report for September 1, 2021
Ida County · 2,891 Homes in County
Hail Report Description: GOLF BALL SIZED HAIL SHREDDED AND POUNDED CROPS IN THE FIELD.
NWS Hail Report Location: 6 S Arthur, IA
1.00″ hail
Sep 1, 2021
12:58 AM UTC
Hail report for September 1, 2021
Hutchinson County · 2,810 Homes in County
Hail Report Description: CORRECTS PREVIOUS HAIL REPORT FROM 6 S BRIDGEWATER. MOSTLY PEA SIZED HAIL... BUT A FEW QUARTER SIZED STONES... AND HEAVY RAIN.
NWS Hail Report Location: 6 S Bridgewater, SD
1.75″ hail
Sep 1, 2021
12:56 AM UTC
Hail report for September 1, 2021
Perkins County · 1,267 Homes in County
Hail Report Description: DELAYED REPORT. HAIL FELL FOR 20 MINUTES. STRONG WINDS BUT UNSURE OF SPEED. DAMAGE TO VEHICLES AND SHOP. START TIME ESTIMATED FROM RADAR.
NWS Hail Report Location: 10 SSW White Butte, SD
1.75″ hail
Sep 1, 2021
12:32 AM UTC
Hail report for September 1, 2021
Union County · 5,272 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6 S Beresford, SD
1.00″ hail
Sep 1, 2021
12:06 AM UTC
Hail report for September 1, 2021
Sioux County · 10,595 Homes in County
Hail Report Description: PICTURE VIA SOCIAL MEDIA.
NWS Hail Report Location: Hawarden, IA
Showing 15 of 15
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 September 1, 2021

115 reports
Free hail report + wind check →
63 mph
Sep 1, 2021
11:59 PM UTC
Wind report for September 1, 2021
Union County · 1,529 Homes in County
Wind Report Description: KCAO ASOS.
NWS Wind Report Location: 2 ENE Clayton, NM
UNK mph
Sep 1, 2021
11:44 PM UTC
Wind report for September 1, 2021
Rankin County · 47,548 Homes in County
Wind Report Description: TREE DOWN ON HIGHWAY 80.
NWS Wind Report Location: 2 WSW Pelahatchie, MS
UNK mph
Sep 1, 2021
11:39 PM UTC
Wind report for September 1, 2021
Rankin County · 47,548 Homes in County
Wind Report Description: TREE DOWNED ALONG GRANTS FERRY RD.
NWS Wind Report Location: 5 SW Fannin, MS
UNK mph
Sep 1, 2021
11:25 PM UTC
Wind report for September 1, 2021
Mercer County · 71,470 Homes in County
Wind Report Description: TREES AND WIRES DOWN IN LAWRENCEVILLE TOWNSHIP. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: Lawrence Twp, NJ
UNK mph
Sep 1, 2021
11:23 PM UTC
Wind report for September 1, 2021
Newton County · 6,269 Homes in County
Wind Report Description: STRUCTURAL DAMAGE AND DOWNED TREES REPORTED ALONG HIGHWAY 80 BETWEEN HICKORY AND NEWTON.
NWS Wind Report Location: 3 ENE Newton, MS
UNK mph
Sep 1, 2021
11:23 PM UTC
Wind report for September 1, 2021
Madison County · 35,193 Homes in County
Wind Report Description: A LARGE TREE FELL ACROSS STRIBLING ROAD EXT.
NWS Wind Report Location: 1 NNW Gluckstadt, MS
UNK mph
Sep 1, 2021
11:10 PM UTC
Wind report for September 1, 2021
Madison County · 35,193 Homes in County
Wind Report Description: SEVERAL TREES DOWNED ACROSS MADISON CO.
NWS Wind Report Location: Canton, MS
69 mph
Sep 1, 2021
11:06 PM UTC
Wind report for September 1, 2021
Burlington County · 119,559 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 1 WNW Burlington, NJ
UNK mph
Sep 1, 2021
10:55 PM UTC
Wind report for September 1, 2021
Burlington County · 119,559 Homes in County
Wind Report Description: DAMAGE REPORTED NEAR ROUTE 130 IN THE WILLINGBORO AND EDGEWATER PARK AREA. PROBABLE TORNADO. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 1 NE Cooperstown, NJ
UNK mph
Sep 1, 2021
10:55 PM UTC
Wind report for September 1, 2021
Clarke County · 5,300 Homes in County
Wind Report Description: TREE DOWNED ALONG CR 149.
NWS Wind Report Location: 8 E Stonewall, MS
UNK mph
Sep 1, 2021
10:47 PM UTC
Wind report for September 1, 2021
Clarke County · 5,300 Homes in County
Wind Report Description: TREE DOWNED NEAR CR 483.
NWS Wind Report Location: 5 E Basic City, MS
UNK mph
Sep 1, 2021
10:40 PM UTC
Wind report for September 1, 2021
Camden County · 116,355 Homes in County
Wind Report Description: MULTIPLE TREES AND WIRES DOWN AROUND CHERRY HILL. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.
NWS Wind Report Location: 1 WNW Cherry Hill Twp, NJ
UNK mph
Sep 1, 2021
10:40 PM UTC
Wind report for September 1, 2021
Camden County · 116,355 Homes in County
Wind Report Description: SEVERAL SOFT WOOD TREES AND POLES SNAPPED AND LOSS OF SOME SIDING ON SOME HOMES ALONG CUTHBERT ROAD... LEES LANE... HEATHER ROAD (IN HADDON TOWNSHIP)... AND BARRETT AVE (JUST TO THE SE IN AUDOBON). DAMAGE IS CONSISTENT WITH 90 MPH WINDS.
NWS Wind Report Location: 1 ESE Oaklyn, NJ
UNK mph
Sep 1, 2021
10:40 PM UTC
Wind report for September 1, 2021
Hempstead County · 6,652 Homes in County
Wind Report Description: TREES DOWN IN THE 6100 BLOCK OF HWY 371 EAST OF BLEVINS.
NWS Wind Report Location: 3 E Blevins, AR
UNK mph
Sep 1, 2021
10:40 PM UTC
Wind report for September 1, 2021
Hempstead County · 6,652 Homes in County
Wind Report Description: TREE DOWN ON HWY 195 NEAR MARLBROOK BAPTIST CHURCH.
NWS Wind Report Location: 2 E Blevins, AR
Showing 15 of 115
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 September 1, 2021

14 reports
UNK category
Sep 1, 2021
11:32 PM UTC
Tornado report for September 1, 2021
Mercer County · 71,470 Homes in County
Tornado Report Description: A TORNADO TOUCHED DOWN ALONG EMMONS DRIVE ALONG ROUTE 1 IN PRINCETON... NJ AS A REMNANT SUPERCELL MOVED NORTHWARD AFTER PRODUCING THE MULLICA HILL AND BURLINGTON... NJ TORNADOES EARLIER WEDNESDAY AFTERNOON AS IDA`S REMNANTS MOVED THROUGH THE REGION. DAMAGE FIRST OCCURRED AS SEVERAL SMALL BRANCHES WERE BROUGHT DOWN ALONG THE WHOLE FOODS AND WENDYS PARKING LOTS ALONG ROUTE 1 IN FAR EASTERN PRINCETON TOWNSHIP... WITH A CONTINUED PATH OF MINOR BRANCH DAMAGE EXTENDING NORTHWARD ALONG FARBER ROAD... MEADOW DRIVE... AND CANAL POINTE BOULEVARD ADJACENT TO ROUTE 1. SEVERAL MEDIUM-SIZE TREES WERE ALSO UPROOTED WITH NUMEROUS SMALL BRANCHES HAVING BEEN BROUGHT DOWN ALONG THE WESTERN PERIPHERY OF THE MARKETFAIR SHOPPING PARKING LOT. FROM THERE... THE TORNADO CONTINUED NORTHWARD WITH MINOR TREE DAMAGE HAVING OCCURRED ALONG CARNEGIE CENTER BOULEVARD AS THE TORNADO MOVED NORTHWARD. SEVERAL SMALL BRANCHES WERE ALSO BROUGHT DOWN IN A RESIDENTIAL AREA ALONG HERITAGE BOULEVARD WITH ONE PINE TREE EVEN HAVING BEEN S
NWS Tornado Report Location: 2 W West Windsor Twp., NJ
UNK category
Sep 1, 2021
10:59 PM UTC
Tornado report for September 1, 2021
Burlington County · 119,559 Homes in County
Tornado Report Description: AFTER CYCLING FROM AN EARLIER TORNADO NEAR MULLICA HILL... NJ... A SUPERCELL THUNDERSTORM PRODUCED AN ADDITIONAL TORNADO IN BURLINGTON TOWNSHIP... NJ NEAR THE TOWNSHIP LINE WITH EDGEWATER PARK... NJ. SOME EVIDENCE OF RFD WINDS WAS PREVALENT SOUTHWARD THROUGH THE CAPITOL HILL NEIGHBORHOOD OF EDGEWATER PARK WITH ONE PINE TREE BEING UPROOTED AND SEVERAL SMALL BRANCHES BEING BROUGHT DOWN ALL THE WAY SOUTH TO PENNINGTON PARK IN DELANCO TOWNSHIP... NJ...BUT DAMAGE WAS TOO SPARSE TO BE NOTED AS TORNADIC. AS THE TORNADO TOUCHED DOWN... NUMEROUS HARD AND SOFTWOOD TREES WERE UPROOTED ALONG JENNIFER LANE IN A NEIGHBORHOOD JUST OFF OF BEVERLY ROAD IN BURLINGTON TOWNSHIP. A LARGE BRANCH WAS ALSO BROUGHT DOWN ON A VEHICLE AT THE INTERSECTION OF JENNIFER LANE AND SQUIRE WAY. NEARBY... A PINE TREE WAS BROUGHT DOWN... BREAKING A WINDOW TO A RESIDENCE FURTHER WEST ON JENNIFER LANE WITH A SMALL SYCAMORE TREE ALSO BEING SNAPPED AT THE BASE A FEW HOUSES DOWN THE ROAD. AS THE TORNADO CROSSED SHIVE PLACE AND HANDLER DRIVE...
NWS Tornado Report Location: 1 NE Cooperstown, NJ
UNK category
Sep 1, 2021
10:30 PM UTC
Tornado report for September 1, 2021
Bucks County · 163,752 Homes in County
Tornado Report Description: A TORNADO EMBEDDED WITHIN A SQUALL LINE DEVELOPED SEVERAL MILES SOUTHEAST OF THE STORM WHICH PRODUCED A TORNADO IN BUCKINGHAM TOWNSHIP. TORNADIC DAMAGE WAS FIRST OBSERVED IN THE VICINITY OF STONEYBROOK RD AT EAGLE RD... NEAR JERICHO CREEK. THE TORNADO TRACKED NORTHEASTWARD FROM THERE. IT PASSED OVER THE JERICHO NATIONAL GOLF CLUB... AND SPORADIC TREE DAMAGE MAINLY CONSISTING OF UPROOTS AND LARGE LIMBS SNAPPED WAS OBSERVED IN A PATH THROUGHOUT THE GOLF COURSE. IT THEN MOVED OVER THE ADJACENT BROWNSBURG PARK... WHERE ADDITIONAL TREE DAMAGE WAS OBSERVED AND SEVERAL SOCCER GOALS WERE OBSERVED FLIPPED IN VARIOUS DIRECTIONS. THE TORNADO THEN BEGAN TO APPROACH THE DELAWARE RIVER. SOME MINOR TREE DAMAGE WAS OBSERVED ALONG RIVER RD. HOWEVER... THE TORNADO APPEARED TO LIFT JUST SLIGHTLY BEFORE REACHING THE DELAWARE RIVER... WITH NO APPARENT DAMAGE ON PEBBLETOWN RD JUST PRIOR TO THE RIVER. THROUGHOUT ITS PATH... THE TREE DAMAGE PRODUCED BY THIS TORNADO WAS FAIRLY SPORADIC... AND IT MAY HAVE BEEN DISCONTINUO
NWS Tornado Report Location: Upper Makefield Twp., PA
UNK category
Sep 1, 2021
10:21 PM UTC
Tornado report for September 1, 2021
Gloucester County · 86,397 Homes in County
Tornado Report Description: SIGNIFICANT DAMAGE IN THE MULLICA HILL AREA INCLUDING SEVERAL HOMES DAMAGED AND TREES DOWN ON CEDAR ROAD. TIME ESTIMATED FROM RADAR.
NWS Tornado Report Location: 1 ENE Mullica Hill, NJ
UNK category
Sep 1, 2021
10:10 PM UTC
Tornado report for September 1, 2021
Gloucester County · 86,397 Homes in County
Tornado Report Description: *** 2 INJ *** CORRECTS PREVIOUS TORNADO REPORT FROM 1 SE HARRISONVILLE. THE TORNADO TOUCHED DOWN NEAR HARRISONVILLE... NJ DOING MOSTLY DAMAGE TO TREES AND LIMBS BEFORE STRENGTHENING AND MOVING NORTHEAST. AS IT MOVED TO THE NORTHEAST... IT CROSSED INTO THE CEDAR GROVE AREA PRODUCING MORE SIGNIFICANT DAMAGE TO TREES WITH MANY TREES UPROOTED. THE TORNADO MOVED INTO THE WILLOW OAKS SUBDIVISION STRENGTHENING FURTHER AND PRODUCING SIGNIFICANT DAMAGE TO TREES... AS WELL AS SERIOUS STRUCTURAL DAMAGE TO A NUMBER OF HOMES. SEVERAL HOMES HAD EXTERIOR WALLS COMPLETELY COLLAPSED... A NUMBER OF HOMES LOST ROOFS AND UPPER STORY WALLS... AND ONE HOME HAD ONLY A FEW INTERIOR WALLS REMAINING. VEHICLES WERE TOSSED AROUND AND MOVED... AND DAMAGE FROM FLYING DEBRIS WAS OBSERVED IN SEVERAL SPOTS. THE TORNADO CONTINUED TO MOVE TO THE NORTHEAST TO BRIDGETON PIKE WHERE MULTIPLE TREES HAD TRUNKS SNAPPED AND MOST OF THE BARNS AND STORAGE BUILDINGS AT A LARGE COMMERCIAL FARM WERE COMPLETELY DESTROYED. THE TORNADO ALSO REA
NWS Tornado Report Location: 1 SE Harrisonville, NJ
UNK category
Sep 1, 2021
9:59 PM UTC
Tornado report for September 1, 2021
Bucks County · 163,752 Homes in County
Tornado Report Description: THE STORM WHICH PRODUCED A STRONG TORNADO IN MONTGOMERY COUNTY... PA... CYCLED AND PRODUCED ANOTHER TORNADO IN BUCKS COUNTY... PA. DAMAGE BEGAN NEAR IN THE AREA OF NESHAMINY CREEK BETWEEN VALLEY RD AND PEBBLE HILL RD IN DOYLESTOWN. THE TORNADO TRACKED NORTH-NORTHEAST FROM THERE... PRODUCING A CONSISTENT PATH OF DAMAGE. DAMAGE WAS MAINLY CONFINED TO TREES AND WAS FAIRLY EXTENSIVE AT TIMES... WITH MUCH OF THE PATH LENGTH BEING HEAVILY WOODED. NUMEROUS HARDWOOD AND SOFTWOOD TREES WERE SNAPPED AND UPROOTED ALONG THE PATH. DAMAGE WAS STRONGLY SUGGESTIVE OF TORNADIC WINDS... AND A TORNADO DEBRIS SIGNATURE WAS ALSO EVIDENT ON RADAR. THE HEAVIEST DAMAGE OCCURRED NEAR AND ALONG A STRETCH OF EDISON- FURLONG RD. EXTENSIVE TREE DAMAGE OCCURRED ALONG THAT ROAD AND A NUMBER OF ITS CROSS STREETS. SEVERAL UTILITY POLES WERE SNAPPED IN THIS AREA. TREE DAMAGE ALONG NEARBY SWAMP RD WAS ALSO SIGNIFICANT. THE TORNADO CONTINUED BUT BEGAN TO LOSE INTENSITY AS IT APPROACHED ROUTE 202... WITH SPORADIC TREE DAMAGE OBSERVE
NWS Tornado Report Location: 1 WNW Warwick Twp, PA
UNK category
Sep 1, 2021
9:35 PM UTC
Tornado report for September 1, 2021
Montgomery County · 186,982 Homes in County
Tornado Report Description: *** 1 FATAL... 2 INJ *** A SEMI-DISCRETE SUPERCELL THUNDERSTORM BEGAN TO EXHIBIT ROTATION OVER DELAWARE COUNTY... PA AROUND 5:15 PM ON SEPTEMBER 1. THE ROTATION CONTINUED NORTH-NORTHEAST INTO MONTGOMERY COUNTY... AND EVENTUALLY STRENGTHENED ENOUGH TO PRODUCE A TORNADO. MINOR TREE DAMAGE WAS FIRST OBSERVED ALONG STENTON AVE IN FORT WASHINGTON IN THE AREA OF THE PHILADELPHIA CRICKET CLUB. A PATH OF TREE DAMAGE WAS OBSERVED HEADING NORTHEAST ALONG JOSHUA RD AND THROUGH FORT WASHINGTON STATE PARK. SOME MINOR SHINGLE AND SIDING DAMAGE TO HOUSES WAS ALSO SEEN. DAMAGE BECAME MORE SEVERE AFTER THE TORNADO CROSSED THE PENNSYLVANIA TURNPIKE. AT THIS TIME THE TORNADO ALSO MOVED INTO A MORE RESIDENTIAL AREA. DAMAGE WAS OBSERVED ALONG MONTGOMERY AVE... SPRING AVE... AND PROSPECT AVE AND NUMEROUS CROSSING STREETS OF THOSE. THIS MAINLY CONSISTED OF NUMEROUS SNAPPED AND UPROOTED TREES WITH MINOR TO MODERATE ROOFING AND SIDING DAMAGE TO A NUMBER OF HOMES. THE WORST DAMAGE WAS OBSERVED SLIGHTLY FARTHER NORTHEA
NWS Tornado Report Location: 2 NNE Whitemarsh Twp, PA
UNK category
Sep 1, 2021
9:11 PM UTC
Tornado report for September 1, 2021
Dorchester County · 12,310 Homes in County
Tornado Report Description: VIDEO OF A TORNADO CROSSING GRAVEL BRANCH RD.
NWS Tornado Report Location: 1 NNE Hurlock, MD
UNK category
Sep 1, 2021
8:56 PM UTC
Tornado report for September 1, 2021
Dorchester County · 12,310 Homes in County
Tornado Report Description: TORNADO ON THE GROUND NEAR NEW MARKET.
NWS Tornado Report Location: 2 NW Hurlock, MD
UNK category
Sep 1, 2021
8:15 PM UTC
Tornado report for September 1, 2021
Chester County · 127,346 Homes in County
Tornado Report Description: AN EMBEDDED SUPERCELL IN A QUASI-LINEAR FEATURE PRODUCED A TORNADO NEAR OXFORD... PA. A PATH OF DAMAGE BEGAN IN CROP LAND NEAR THE INTERSECTION OF 5TH STREET AND WATERWAY ROAD. TREE DAMAGE CONTINUED NORTHEAST OF HERE. SIGNIFICANT DAMAGE OCCURRED IN THE WILTSHIRE DEVELOPMENT. ON SLATE HILL DRIVE... ONE HOUSE LOST A SOUTHEAST FACING EXTERIOR WALL. ANOTHER HOUSE LOST A SIGNIFICANT AMOUNT OF SIDING AND A PORTION OF THE ROOF. TREE DAMAGE CONTINUED IN A NORTHEAST PATH. AT HICKORY HILL ROAD... THERE WAS DAMAGE TO THE ROOF OF A COMMERCIAL OUTBUILDING AND A RECREATIONAL TRAILER WAS FLIPPED ON ITS SIDE. SPORADIC TREE AND CROP DAMAGE WAS NOTED FROM DRONE FOOTAGE...THIS PORTION OF THE PATH WAS INACCESSIBLE BY VEHICLE...CONTINUING TO THE NORTHEAST. A METAL STORAGE BUILDING AT A BUSINESS ALONG REEDVILLE ROAD HAD WALL AND ROOF DAMAGE. FURTHER NORTHEAST THERE WAS DAMAGE TO TURKEY PENS NEAR THE INTERSECTION OF BALTIMORE PIKE AND WEST BRANCH ROAD. ADDITIONAL TREE AND POWER POLE DAMAGE CONTINUED IN A NORTHE
NWS Tornado Report Location: 1 SSE Oxford, PA
UNK category
Sep 1, 2021
6:48 PM UTC
Tornado report for September 1, 2021
Baltimore County · 165,406 Homes in County
Tornado Report Description: EF-0 WITH ESTIMATED PEAK WINDS OF 85 MPH. PATH LENGTH: 6.7 MILES MAX WIDTH: 75 YARDS
NWS Tornado Report Location: 1 SSE Fort Howard, MD
UNK category
Sep 1, 2021
6:16 PM UTC
Tornado report for September 1, 2021
Anne Arundel County · 139,713 Homes in County
Tornado Report Description: COUNTY EMERGENCY MANAGEMENT REPORTS TREES AND WIRES DOWN... AND DAMAGE TO BUILDINGS THROUGHOUT THE RIVA... WOODLAND BEACH... AND ANNAPOLIS AREA.
NWS Tornado Report Location: Annapolis, MD
UNK category
Sep 1, 2021
6:00 PM UTC
Tornado report for September 1, 2021
Anne Arundel County · 139,713 Homes in County
Tornado Report Description: EF-2 WITH ESTIMATED PEAK WINDS OF 125 MPH PATH LENGTH: 11.25 MILES MAX WIDTH: 200 YARDS
NWS Tornado Report Location: 3 W Galesville, MD
UNK category
Sep 1, 2021
5:50 PM UTC
Tornado report for September 1, 2021
Charles County · 44,546 Homes in County
Tornado Report Description: LAW ENFORCEMENT REPORTED TORNADO TOUCHDOWN NEAR ALLENS FRESH MOVING TOWARDS DENTSVILLE. NO DAMAGE REPORTED YET TO THE COUNTY.
NWS Tornado Report Location: 3 W Wicomico, MD
Showing 14 of 14
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 September 1, 2021 on the Interactive Map

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Tornado

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Not sure if hail may have affected your home on September 1, 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 September 1, 2021?

Our records show 15 hail, 115 wind, and 14 tornado reports on September 1, 2021, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on September 1, 2021.

What was the largest hail reported on September 1, 2021?

The largest hail size in these storm-report records on September 1, 2021 is 2.50″, reported near Verdigre, 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 September 1, 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 September 1, 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 September 1, 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 September 1, 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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