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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on April 9, 2011

Public hail, wind, and tornado reports across the United States on April 9, 2011 from April 9, 2011 through April 9, 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
359
Wind Reports
98
Tornado Reports
31
Max Hail Size
4.25″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · April 9, 2011 · 2011–present Updated  Daily · last Apr 9, 2011

NWS Hail Reports on April 9, 2011

359 reports
Free hail report for your home →
1.25″ hail
Apr 9, 2011
11:58 PM CST-6
Hail report for April 9, 2011
Freeborn County · 11,225 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: N Glenville, MN
1.00″ hail
Apr 9, 2011
11:25 PM CST-6
Hail report for April 9, 2011
Woodbury County · 31,632 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3.7 SE Bronson, IA
1.00″ hail
Apr 9, 2011
11:21 PM CST-6
Hail report for April 9, 2011
Kossuth County · 6,119 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .69 N Bancroft, IA
1.00″ hail
Apr 9, 2011
11:19 PM CST-6
Hail report for April 9, 2011
Monona County · 3,715 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .51 E Onawa, IA
1.00″ hail
Apr 9, 2011
11:10 PM CST-6
Hail report for April 9, 2011
Kossuth County · 6,119 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .85 SE Lone Rock, IA
0.88″ hail
Apr 9, 2011
10:51 PM CST-6
Hail report for April 9, 2011
Kossuth County · 6,119 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2.61 WNW Seneca, IA
1.00″ hail
Apr 9, 2011
11:43 PM EST-5
Hail report for April 9, 2011
Marlboro County · 7,450 Homes in County
Hail Report Description: Hail up to 1 inch was measured. The hail covered the wooden deck.
NWS Hail Report Location: 1.33 ESE Wallace, SC
2.00″ hail
Apr 9, 2011
10:32 PM CST-6
Hail report for April 9, 2011
Kossuth County · 6,119 Homes in County
Hail Report Description: A funnel cloud was also reported.
NWS Hail Report Location: .69 S Algona, IA
1.00″ hail
Apr 9, 2011
10:31 PM CST-6
Hail report for April 9, 2011
Clay County · 6,149 Homes in County
Hail Report Description: Large hail partially covered the ground.
NWS Hail Report Location: 1.71 NW Cornell, IA
1.00″ hail
Apr 9, 2011
10:30 PM CST-6
Hail report for April 9, 2011
Palo Alto County · 3,800 Homes in County
Hail Report Description: Nickel to quarter size hail reported.
NWS Hail Report Location: 1.22 SE Emmetsburg, IA
0.88″ hail
Apr 9, 2011
10:24 PM CST-6
Hail report for April 9, 2011
Mitchell County · 4,329 Homes in County
Hail Report Description: Nickel size hail fell in Carpenter.
NWS Hail Report Location: 1.22 SW Carpenter, IA
2.00″ hail
Apr 9, 2011
10:20 PM CST-6
Hail report for April 9, 2011
Mitchell County · 4,329 Homes in County
Hail Report Description: Hail up to two inches in diameter fell in St. Ansgar.
NWS Hail Report Location: .5 E St Ansgar, IA
0.88″ hail
Apr 9, 2011
10:15 PM CST-6
Hail report for April 9, 2011
Mitchell County · 4,329 Homes in County
Hail Report Description: Dime to nickel size hail fell in St. Ansgar.
NWS Hail Report Location: .7 E St Ansgar, IA
1.50″ hail
Apr 9, 2011
10:04 PM CST-6
Hail report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: .86 NE Linn Grove, IA
0.88″ hail
Apr 9, 2011
10:00 PM CST-6
Hail report for April 9, 2011
Worth County · 3,116 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2.07 S Northwood Muni Arpt, IA
Showing 15 of 359
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 April 9, 2011

98 reports
Free hail report + wind check →
66 mph
Apr 9, 2011
9:39 PM CST-6
Wind report for April 9, 2011
Worth County · 3,116 Homes in County
Wind Report Description: A grain bin was blown over with power lines also downed.
NWS Wind Report Location: 2.89 NW Fertile, IA
70 mph
Apr 9, 2011
9:30 PM CST-6
Wind report for April 9, 2011
Worth County · 3,116 Homes in County
Wind Report Description: Large barn destroyed with damage of $250,000-300,000.
NWS Wind Report Location: 5.26 SE Tenold, IA
58 mph
Apr 9, 2011
10:25 PM EST-5
Wind report for April 9, 2011
Berkeley County · 63,797 Homes in County
Wind Report Description: Fire department personnel reported trees down between Bonneau and Saint Stephen.
NWS Wind Report Location: N St Stephen, SC
60 mph
Apr 9, 2011
9:25 PM CST-6
Wind report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Wind Report Description: Thunderstorm winds caused roof damage to outbuildings on a farmstead.
NWS Wind Report Location: 4.29 NE Newell, IA
64 mph
Apr 9, 2011
10:05 PM EST-5
Wind report for April 9, 2011
Berkeley County · 63,797 Homes in County
Wind Report Description: A thunderstorm wind gust of 64 miles per hour was measured.
NWS Wind Report Location: 4.15 N Eadytown, SC
70 mph
Apr 9, 2011
8:22 PM CST-6
Wind report for April 9, 2011
Cherokee County · 4,718 Homes in County
Wind Report Description: Thunderstorm winds damaged outbuildings and a shelterbelt on a farmstead.
NWS Wind Report Location: 6.65 E Quimby, IA
60 mph
Apr 9, 2011
8:20 PM CST-6
Wind report for April 9, 2011
Cherokee County · 4,718 Homes in County
Wind Report Description: Thunderstorm winds caused tree damage, including large limbs blown down.
NWS Wind Report Location: 6.93 ESE Quimby, IA
60 mph
Apr 9, 2011
8:00 PM CST-6
Wind report for April 9, 2011
Minnehaha County · 51,798 Homes in County
Wind Report Description: Thunderstorm winds destroyed a barn and caused tree damage.
NWS Wind Report Location: 4.94 SSE Hartford, SD
60 mph
Apr 9, 2011
8:40 PM EST-5
Wind report for April 9, 2011
Horry County · 110,291 Homes in County
Wind Report Description: Large limbs were reported down.
NWS Wind Report Location: .69 N Floral Beach, SC
69 mph
Apr 9, 2011
8:17 PM EST-5
Wind report for April 9, 2011
Kershaw County · 21,342 Homes in County
Wind Report Description: Sheriff reported several trees down in Camden.
NWS Wind Report Location: N Camden, SC
63 mph
Apr 9, 2011
7:05 PM CST-6
Wind report for April 9, 2011
Ida County · 2,891 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 5.55 S Ida Grove Muni Arpt, IA
61 mph
Apr 9, 2011
7:02 PM CST-6
Wind report for April 9, 2011
Ida County · 2,891 Homes in County
Wind Report Description: Thunderstorm winds damaged the roof of an outbuilding.
NWS Wind Report Location: 4.15 S Ida Grove Muni Arpt, IA
61 mph
Apr 9, 2011
7:02 PM CST-6
Wind report for April 9, 2011
Ida County · 2,891 Homes in County
Wind Report Description: Thunderstorm winds damaged farm buildings.
NWS Wind Report Location: 4.86 S Ida Grove Muni Arpt, IA
60 mph
Apr 9, 2011
7:45 PM EST-5
Wind report for April 9, 2011
Cocke County · 11,012 Homes in County
Wind Report Description: Law enforcement personnel reported a few trees downed by thunderstorm wind in Cosby...Del Rio and Grassy Fork.
NWS Wind Report Location: N Cosby, TN
70 mph
Apr 9, 2011
7:40 PM EST-5
Wind report for April 9, 2011
Florence County · 38,360 Homes in County
Wind Report Description: A large tree was reported down on a truck on East Friendfield Road near the Lynches River Bridge.
NWS Wind Report Location: .9 SW Friendfield, SC
Showing 15 of 98
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 April 9, 2011

31 reports
EF1 category
Apr 9, 2011
10:19 PM CST-6
Tornado report for April 9, 2011
Kossuth County · 6,119 Homes in County
Tornado Report Description: Short duration tornado that produced damage to a hog confinement building.
NWS Tornado Report Location: 2.39 W St Joseph, IA
EF1 category
Apr 9, 2011
9:08 PM CST-6
Tornado report for April 9, 2011
Pocahontas County · 3,270 Homes in County
Tornado Report Description: This relatively brief tornado travelled mostly through open country with limited damage.
NWS Tornado Report Location: 3.4 WNW Westview, IA
EF2 category
Apr 9, 2011
8:56 PM CST-6
Tornado report for April 9, 2011
Pocahontas County · 3,270 Homes in County
Tornado Report Description: A short but relatively intense tornado. This was a satellite tornado to a large wedge tornado that moved through western Pocahontas County. This tornado became absorbed into the circulation of another powerful satellite tornado that moved in from the west.
NWS Tornado Report Location: 5.17 ENE Varina, IA
EF1 category
Apr 9, 2011
8:55 PM CST-6
Tornado report for April 9, 2011
Pocahontas County · 3,270 Homes in County
Tornado Report Description: This was the anticyclonic tornado of a pair of tornadoes that moved on the east side of a large wedge tornado passing through western Pocahontas County.
NWS Tornado Report Location: 4.6 ENE Varina, IA
EF1 category
Apr 9, 2011
8:55 PM CST-6
Tornado report for April 9, 2011
Pocahontas County · 3,270 Homes in County
Tornado Report Description: This was a cyclonic tornado of a pair of tornadoes that travelled on the east side of a large wedge tornado that moved through Pocahontas County.
NWS Tornado Report Location: 4.56 ENE Varina, IA
EF4 category
Apr 9, 2011
8:54 PM CST-6
Tornado report for April 9, 2011
Pocahontas County · 3,270 Homes in County
Tornado Report Description: An intense EF4 satellite tornado on the west flank of a large wedge tornado passing through western Pocahontas county. This tornado approached from the northwest and completely destroyed a home leaving little debris at the site. Grove of mature hardwood trees near the home was decimated and debarked and a large combine in the machine shed was tossed and rolled several hundred feet. This tornado also absorbed the circulation of an EF2 satellite tornado.
NWS Tornado Report Location: 4.67 NNE Varina, IA
EF0 category
Apr 9, 2011
8:50 PM CST-6
Tornado report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Tornado Report Description: A brief tornado, one of two close together, caused no reported damage.
NWS Tornado Report Location: 2.89 WSW Alta, IA
EF0 category
Apr 9, 2011
8:50 PM CST-6
Tornado report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Tornado Report Description: A brief tornado, one of two close together, caused no reported damage.
NWS Tornado Report Location: 2.9 SW Alta, IA
EF3 category
Apr 9, 2011
8:31 PM CST-6
Tornado report for April 9, 2011
Pocahontas County · 3,270 Homes in County
Tornado Report Description: This is a continuation of a large wedge tornado. This tornado started in Sac County, clipped southeast Buena Vista County and continued in Pocahontas County. This tornado continued to produce numerous satellite tornadoes through Pocahontas County. This produced an unusual and varying debris field.
NWS Tornado Report Location: 4.44 WNW Fonda, IA
EF2 category
Apr 9, 2011
8:26 PM CST-6
Tornado report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Tornado Report Description: A tornado crossed into Buena Vista County from Sac County, and damaged farm structures and trees on a farmstead before dissipating.
NWS Tornado Report Location: 3.69 SE Newell, IA
EF1 category
Apr 9, 2011
8:25 PM CST-6
Tornado report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Tornado Report Description: A tornado caused damage to outbuildings and other farm structures.
NWS Tornado Report Location: 3.34 ESE Newell, IA
EF2 category
Apr 9, 2011
8:24 PM CST-6
Tornado report for April 9, 2011
Sac County · 4,388 Homes in County
Tornado Report Description: This was the first satellite tornado that developed in far northern Sac County producing a narrow but strong swath of damage as it crossed into Buena Vista County.
NWS Tornado Report Location: 5.91 ENE Nemaha, IA
EF2 category
Apr 9, 2011
8:24 PM CST-6
Tornado report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Tornado Report Description: A tornado affected several farmsteads, damaging several homes, some beyond repair. The tornado destroyed or damaged numerous outbuildings, several silos, farm equipment, and livestock shelters. Numerous power lines, power poles, and trees were blown down. The tornado crossed into Buena Vista County from Sac County, then crossed out of Buena Vista County into Pocahontas County.
NWS Tornado Report Location: 3.03 SSE Newell, IA
EF1 category
Apr 9, 2011
8:20 PM CST-6
Tornado report for April 9, 2011
Cherokee County · 4,718 Homes in County
Tornado Report Description: A tornado snapped and damaged power poles and lines, destroyed or damaged several outbuildings on two farmsteads, flipped over a camper into a garage, damaging the garage, flipped over a large anchored empty tank, damaged the roof of a house and broke windows on the house, heavily damaged several buildings in a livestock confinement area, blew a grain bin off its foundation into a semi truck cab, flipped another semi trailer into a grain bin, and caused tree damage, including several trees blown down or snapped off.
NWS Tornado Report Location: 4.69 ESE Quimby, IA
EF0 category
Apr 9, 2011
8:14 PM CST-6
Tornado report for April 9, 2011
Buena Vista County · 6,186 Homes in County
Tornado Report Description: A brief tornado caused no reported damage.
NWS Tornado Report Location: 2.81 S Sulphur Spgs, IA
Showing 15 of 31
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 April 9, 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 April 9, 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 April 9, 2011?

Our records show 359 hail, 98 wind, and 31 tornado reports on April 9, 2011, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on April 9, 2011.

What was the largest hail reported on April 9, 2011?

The largest hail size in these storm-report records on April 9, 2011 is 4.25″, reported near NW Rogersville, TN.

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 April 9, 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 April 9, 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 April 9, 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 April 9, 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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