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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on August 12, 2009

Public hail, wind, and tornado reports across the United States on August 12, 2009 from August 12, 2009 through August 12, 2009, 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
34
Wind Reports
48
Tornado Reports
2
Max Hail Size
1.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · August 12, 2009 · 2009–present Updated  Daily · last Aug 12, 2009

NWS Hail Reports on August 12, 2009

34 reports
Free hail report for your home →
1.50″ hail
Aug 12, 2009
11:30 PM CST-6
Hail report for August 12, 2009
Lyman County · 1,269 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3.49 S Reliance Arpt, SD
0.88″ hail
Aug 12, 2009
9:07 PM CST-6
Hail report for August 12, 2009
Cimarron County · 1,155 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6.2 SW Keyes, OK
0.88″ hail
Aug 12, 2009
8:56 PM CST-6
Hail report for August 12, 2009
Gregory County · 1,823 Homes in County
Hail Report Description: Nickel size hail was accompanied by 60 mph wind gusts.
NWS Hail Report Location: 9.21 ENE Dixon, SD
1.00″ hail
Aug 12, 2009
8:03 PM CST-6
Hail report for August 12, 2009
Morton County · 1,108 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 13.11 WSW Richfield, KS
0.75″ hail
Aug 12, 2009
8:00 PM CST-6
Hail report for August 12, 2009
Tripp County · 2,175 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6 SE Ideal, SD
1.00″ hail
Aug 12, 2009
6:45 PM MST-7
Hail report for August 12, 2009
Greeley County · 537 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3.04 WSW Tribune Arpt, KS
0.88″ hail
Aug 12, 2009
6:40 PM MST-7
Hail report for August 12, 2009
Greeley County · 537 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .88 NW Horace, KS
1.00″ hail
Aug 12, 2009
6:37 PM MST-7
Hail report for August 12, 2009
Greeley County · 537 Homes in County
Hail Report Description: Dime to quarter sized hail was also reported along highway 96 just south of Horace.
NWS Hail Report Location: .88 SW Horace, KS
1.00″ hail
Aug 12, 2009
6:30 PM MST-7
Hail report for August 12, 2009
Greeley County · 537 Homes in County
Hail Report Description: Strongest wind gusts were estimated at 40-45 mph.
NWS Hail Report Location: 2.63 NW Horace, KS
0.88″ hail
Aug 12, 2009
6:25 PM MST-7
Hail report for August 12, 2009
Greeley County · 537 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5 NNW Horace, KS
0.88″ hail
Aug 12, 2009
7:20 PM CST-6
Hail report for August 12, 2009
Mellette County · 537 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 4 NNW Wood, SD
1.00″ hail
Aug 12, 2009
7:00 PM CST-6
Hail report for August 12, 2009
Cherry County · 2,397 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 6 NW Elsmere, NE
1.75″ hail
Aug 12, 2009
6:48 PM CST-6
Hail report for August 12, 2009
Mellette County · 537 Homes in County
Hail Report Description: A house roof was damaged by large hail.
NWS Hail Report Location: 4 S White River, SD
0.75″ hail
Aug 12, 2009
6:47 PM CST-6
Hail report for August 12, 2009
Lincoln County · 12,113 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 8.86 SSE Hershey, NE
0.88″ hail
Aug 12, 2009
5:46 PM MST-7
Hail report for August 12, 2009
Baca County · 1,534 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .69 N Springfield, CO
Showing 15 of 34
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 12, 2009

48 reports
Free hail report + wind check →
64 mph
Aug 12, 2009
10:30 PM MST-7
Wind report for August 12, 2009
Maricopa County · 1,189,056 Homes in County
Wind Report Description: Two trees were uprooted at Glendale and Litchfield avenues. The larger tree was about 10 to 12 inches in diameter.
NWS Wind Report Location: .58 E (Luf)Luke Afb, AZ
69 mph
Aug 12, 2009
10:22 PM MST-7
Wind report for August 12, 2009
Maricopa County · 1,189,056 Homes in County
Wind Report Description: Microburst wind speed at Luke AFB was measured at 60 knots. Blowing dust was also reported resulting in 1/4 mile visibility.
NWS Wind Report Location: .58 E (Luf)Luke Afb, AZ
60 mph
Aug 12, 2009
8:35 PM MST-7
Wind report for August 12, 2009
Dawson County · 3,308 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: SE Bloomfield, MT
60 mph
Aug 12, 2009
9:15 PM CST-6
Wind report for August 12, 2009
Charles Mix County · 3,101 Homes in County
Wind Report Description: Thunderstorm winds caused tree damage, including several branches blown down.
NWS Wind Report Location: .5 E Academy, SD
60 mph
Aug 12, 2009
8:56 PM CST-6
Wind report for August 12, 2009
Gregory County · 1,823 Homes in County
Wind Report Description: Thunderstorm wind gusts to 60 mph were accompanied by nickel size hail.
NWS Wind Report Location: 9.21 ENE Dixon, SD
60 mph
Aug 12, 2009
8:50 PM CST-6
Wind report for August 12, 2009
Charles Mix County · 3,101 Homes in County
Wind Report Description: Strong thunderstorm winds shook the house.
NWS Wind Report Location: 4.47 NW Academy, SD
60 mph
Aug 12, 2009
8:15 PM CST-6
Wind report for August 12, 2009
Tripp County · 2,175 Homes in County
Wind Report Description: Wind gusts were estimated at 60 mph.
NWS Wind Report Location: 7 N Ideal, SD
76 mph
Aug 12, 2009
7:15 PM MST-7
Wind report for August 12, 2009
Custer County · 3,973 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: .84 NW Miles City, MT
60 mph
Aug 12, 2009
6:55 PM MST-7
Wind report for August 12, 2009
Valley County · 2,884 Homes in County
Wind Report Description: Spotter estimated wind gust at 60 mph.
NWS Wind Report Location: 2 N Duck Creek, MT
58 mph
Aug 12, 2009
6:48 PM MST-7
Wind report for August 12, 2009
Garfield County · 568 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 1.41 W Jordan, MT
60 mph
Aug 12, 2009
6:45 PM MST-7
Wind report for August 12, 2009
Greeley County · 537 Homes in County
Wind Report Description: Several one to two inch diameter branches were down in the yard.
NWS Wind Report Location: 4 SW Tribune, KS
60 mph
Aug 12, 2009
6:25 PM MST-7
Wind report for August 12, 2009
Greeley County · 537 Homes in County
Wind Report Description: Peak wind gusts estimated at 60 mph.
NWS Wind Report Location: 4.95 NNW Horace, KS
69 mph
Aug 12, 2009
7:52 PM EST-5
Wind report for August 12, 2009
Bradley County · 31,747 Homes in County
Wind Report Description: Law enforcement personnel reported numerous trees...traffic lights and powerlines downed by thunderstorm winds across the northern half of the county.
NWS Wind Report Location: .89 NE Cleveland, TN
66 mph
Aug 12, 2009
6:10 PM CST-6
Wind report for August 12, 2009
Lubbock County · 89,558 Homes in County
Wind Report Description: A thunderstorm downburst in the Reese Center vicinity resulted in a 66 mph wind gust as measured by the Texas Tech University West Texas Mesonet shortly after 18:10 CST. No damage was reported.
NWS Wind Report Location: N Reese Vlg, TX
58 mph
Aug 12, 2009
5:55 PM CST-6
Wind report for August 12, 2009
Fort Bend County · 245,863 Homes in County
Wind Report Description: Tree damage due to high wind around the town of Needville.
NWS Wind Report Location: N Needville, TX
Showing 15 of 48
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 12, 2009

2 reports
EF0 category
Aug 12, 2009
4:20 PM EST-5
Tornado report for August 12, 2009
Polk County · 203,501 Homes in County
Tornado Report Description: A EF-0 tornado briefly touched down in the Diamond Ridge neighboorhood of Auburndale. Several trees were snapped or uprooted, and there was damage to fences, sheds, well-anchored playground equipment, and a screen porch was destroyed also causing minor roof damage where it was attached to the home.
NWS Tornado Report Location: 1.59 NNE Auburndale, FL
EF0 category
Aug 12, 2009
1:00 PM EST-5
Tornado report for August 12, 2009
Horry County · 110,291 Homes in County
Tornado Report Description: A National Weather Service Storm Survey concluded a tornado initially touched down near the intersection of Highway 378 and Marigold Road causing damage to some trees. One tree fell onto a single wide trailer along Marigold Road and ripped part of the roof off. The tornado caused sporadic tree damage before causing significant damage to an abandoned barn along Marigold Road. The top of the barn was sheared back into a small nearby field. There were also about a dozen pine trees snapped in the vicinity of the barn. The tornado moved north across Hampton Road, near the intersection of Marigold Road and dissipated. The tornado was classified as an EF-0 with winds estimated to 80 mph. The path length was 1.12 miles and the maximum path width was 40 yards. There were no injuries or fatalities. The Horry County Emergency Manager estimated the monetary damage at $13,000.
NWS Tornado Report Location: .57 NNW Forney, SC
Showing 2 of 2
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 12, 2009 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 12, 2009? 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 12, 2009?

Our records show 34 hail, 48 wind, and 2 tornado reports on August 12, 2009, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 12, 2009.

What was the largest hail reported on August 12, 2009?

The largest hail size in these storm-report records on August 12, 2009 is 1.75″, reported near Needville, TX.

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 12, 2009 — 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 12, 2009 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 12, 2009?

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 12, 2009 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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