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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on September 12, 2011

Public hail, wind, and tornado reports across the United States on September 12, 2011 from September 12, 2011 through September 12, 2011, 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
29
Wind Reports
10
Tornado Reports
0
Max Hail Size
1.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · September 12, 2011 · 2011–present Updated  Daily · last Sep 12, 2011

NWS Hail Reports on September 12, 2011

29 reports
Free hail report for your home →
0.88″ hail
Sep 12, 2011
8:05 PM EST-5
Hail report for September 12, 2011
Florence County · 38,360 Homes in County
Hail Report Description: Hail to the size of nickels was reported. The time was estimated based on radar data.
NWS Hail Report Location: 2.94 WNW Florence, SC
0.75″ hail
Sep 12, 2011
6:33 PM CST-6
Hail report for September 12, 2011
Price County · 8,924 Homes in County
Hail Report Description: Hail was accompanied by strong, gusty winds.
NWS Hail Report Location: N Park Falls, WI
1.75″ hail
Sep 12, 2011
7:10 PM EST-5
Hail report for September 12, 2011
Ontonagon County · 4,736 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5.67 E Firesteel, MI
1.00″ hail
Sep 12, 2011
6:55 PM EST-5
Hail report for September 12, 2011
Ontonagon County · 4,736 Homes in County
Hail Report Description: Several large branches were also reported down due to strong thunderstorm winds.
NWS Hail Report Location: 1.67 NE Ontonagon, MI
1.00″ hail
Sep 12, 2011
6:52 PM EST-5
Hail report for September 12, 2011
Ontonagon County · 4,736 Homes in County
Hail Report Description: Quarter and dime-sized hail were reported with the storm. Winds were estimated up to 65 mph as well.
NWS Hail Report Location: .94 W Ontonagon, MI
0.75″ hail
Sep 12, 2011
4:50 PM MST-7
Hail report for September 12, 2011
Yuma County · 50,917 Homes in County
Hail Report Description: Thunderstorms produced large hail in the Yuma area during the afternoon hours on September 12th. A trained weather spotter reported hail as big as three quarters of an inch in diameter at the intersection of Avenue 6E and 32nd Street, near Araby. No damage was reported with the large hail.
NWS Hail Report Location: .58 W Araby, AZ
0.88″ hail
Sep 12, 2011
5:45 PM CST-6
Hail report for September 12, 2011
Bayfield County · 11,470 Homes in County
Hail Report Description: Nickel size hail completely covered the ground.
NWS Hail Report Location: .69 S Namekagon, WI
1.00″ hail
Sep 12, 2011
5:41 PM CST-6
Hail report for September 12, 2011
Bayfield County · 11,470 Homes in County
Hail Report Description: Nickel to quarter size hail covered the ground.
NWS Hail Report Location: 5.39 SSE Grandview, WI
0.75″ hail
Sep 12, 2011
5:40 PM CST-6
Hail report for September 12, 2011
Bayfield County · 11,470 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: N Cable, WI
1.00″ hail
Sep 12, 2011
5:39 PM CST-6
Hail report for September 12, 2011
Bayfield County · 11,470 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .69 S Namekagon, WI
1.50″ hail
Sep 12, 2011
5:27 PM CST-6
Hail report for September 12, 2011
Bayfield County · 11,470 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1.68 NE Cable, WI
0.75″ hail
Sep 12, 2011
4:45 PM CST-6
Hail report for September 12, 2011
Bayfield County · 11,470 Homes in County
Hail Report Description: Hail fell for two minutes.
NWS Hail Report Location: .84 SE Iron River, WI
1.00″ hail
Sep 12, 2011
5:10 PM EST-5
Hail report for September 12, 2011
Horry County · 110,291 Homes in County
Hail Report Description: Hail to the size of quarters was reported in the Carolina Forest subdivision.
NWS Hail Report Location: 1.54 ESE Jaluco, SC
1.00″ hail
Sep 12, 2011
5:02 PM EST-5
Hail report for September 12, 2011
Horry County · 110,291 Homes in County
Hail Report Description: Hail to the size of quarters was reported at Conway Hospital.
NWS Hail Report Location: 1.61 NW Jaluco, SC
0.88″ hail
Sep 12, 2011
5:00 PM EST-5
Hail report for September 12, 2011
Horry County · 110,291 Homes in County
Hail Report Description: Hail to the size of nickels was reported at the intersection of Highway 544 and Singleton Ridge Road. The time was estimated based on radar data.
NWS Hail Report Location: 2.4 WNW Jaluco, SC
Showing 15 of 29
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 12, 2011

10 reports
Free hail report + wind check →
69 mph
Sep 12, 2011
7:45 PM EST-5
Wind report for September 12, 2011
Baraga County · 4,117 Homes in County
Wind Report Description: Ten inch diameter tree was downed and power was out. Hail of unknown size was also reported.
NWS Wind Report Location: 2.46 ENE Baraga, MI
58 mph
Sep 12, 2011
6:20 PM CST-6
Wind report for September 12, 2011
Ashland County · 7,149 Homes in County
Wind Report Description: Several trees were blown down and a tent destroyed at a lodge.
NWS Wind Report Location: 2.76 N Butternut, WI
63 mph
Sep 12, 2011
7:15 PM EST-5
Wind report for September 12, 2011
Houghton County · 14,442 Homes in County
Wind Report Description: Large limbs were reported down in the Hubbell/Lake Linden area along with minor street flooding.
NWS Wind Report Location: .94 E Lake Linden, MI
66 mph
Sep 12, 2011
7:04 PM EST-5
Wind report for September 12, 2011
Houghton County · 14,442 Homes in County
Wind Report Description: Measured wind gust at the Houghton County Airport ASOS.
NWS Wind Report Location: 1.17 NW Houghton Arpt, MI
74 mph
Sep 12, 2011
6:59 PM EST-5
Wind report for September 12, 2011
Houghton County · 14,442 Homes in County
Wind Report Description: Wind gusts greater than 50 mph were measured for 20 minutes. A 63 mph wind gust was measured at 1859 EST. Quarter-sized hail was measured as well.
NWS Wind Report Location: N Beacon Hill, MI
69 mph
Sep 12, 2011
4:20 PM MST-7
Wind report for September 12, 2011
Yuma County · 50,917 Homes in County
Wind Report Description: Isolated strong thunderstorms developed in the Yuma area during the afternoon hours on September 12th, and they produced gusty and damaging microburst winds. According to the Park manager at 5201 E US highway 95, strong winds blew down two big trees which fell on a large building full of equipment and stored materials. This caused an estimated 30,000 dollars of damage to the building, fencing and equipment. In addition, the front sign that showed where trailers were located was damaged.
NWS Wind Report Location: 2.38 NW Araby, AZ
60 mph
Sep 12, 2011
4:19 PM EST-5
Wind report for September 12, 2011
Indian River County · 56,241 Homes in County
Wind Report Description: The Vero Beach Municipal Airport ASOS measured a 52 knot wind gust during a thunderstorm downburst.
NWS Wind Report Location: N (Vrb)Vero Beach Muni, FL
60 mph
Sep 12, 2011
4:10 PM EST-5
Wind report for September 12, 2011
Charlottesville city · 10,075 Homes in County
Wind Report Description: A tree fell down on a vehicle at Jefferson Park Avenue and Shamrock Road.
NWS Wind Report Location: .64 WSW Charlottesville, VA
58 mph
Sep 12, 2011
3:55 PM EST-5
Wind report for September 12, 2011
Macomb County · 255,601 Homes in County
Wind Report Description: Several large tree limbs blown down along Shelby Road between 23 and 24 Mile roads.
NWS Wind Report Location: .69 S Disco, MI
64 mph
Sep 12, 2011
3:55 PM EST-5
Wind report for September 12, 2011
Greene County · 7,347 Homes in County
Wind Report Description: Nine trees were down along Skirmish Road.
NWS Wind Report Location: 2.11 ENE Standardsville, VA
Showing 10 of 10
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 12, 2011

0 reports

No tornado reports were found for this selection.

Showing 0 of 0
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 12, 2011 on the Interactive Map

Report type
Hail
Wind
Tornado

Get a Remote Hail Inspection

Not sure if hail may have affected your home on September 12, 2011? 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 12, 2011?

Our records show 29 hail, 10 wind, and 0 tornado reports on September 12, 2011, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on September 12, 2011.

What was the largest hail reported on September 12, 2011?

The largest hail size in these storm-report records on September 12, 2011 is 1.75″, reported near Firesteel, MI.

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 12, 2011 — 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 12, 2011 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 12, 2011?

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 12, 2011 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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