April 2011 Iowa-Wisconsin tornado outbreak

April 9 event

List of reported tornadoes - Saturday, April 9, 2011
EF# Enhanced Fujita Scale The Enhanced Fujita Scale rates the strength of tornadoes in the United States based on the damage they cause.Implemented in place of the Fujita scale introduced in 1971 by Ted Fujita, it began operational use on February 1, 2007. The scale has the same basic design as the original Fujita scale:...	Location	County	Coord.	Time (UTC)	Path length	Comments/Damage
Iowa Iowa Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...
EF3	Mapleton Mapleton, Iowa Mapleton is a city in Monona County, Iowa, United States. The population was 1,416 at the 2000 census.-Geography:Mapleton is located at... area	Monona Monona County, Iowa -2010 census:The 2010 census recorded a population of 9,243 in the county, with a population density of . There were 4,697 housing units, of which 4,050 were occupied.-2000 census:...	42.17°N 95.79°W	0021

}
|Severe damage in town and a state of emergency

State of emergency

A state of emergency is a governmental declaration that may suspend some normal functions of the executive, legislative and judicial powers, alert citizens to change their normal behaviours, or order government agencies to implement emergency preparedness plans. It can also be used as a rationale...

was declared as a result of a large wedge tornado. Many houses and businesses were damaged or destroyed, representing about 60% of the town and 20% nearly flattened. About 14 people were injured.
|-
|bgcolor=# | EF1
|NW of Ricketts
Ricketts, Iowa
Ricketts is a city in Crawford County, Iowa, United States, along the Middle Soldier River. The population was 144 at the 2000 census.-Geography:Ricketts is located at ....

|Crawford

Crawford County, Iowa

-2010 census:The 2010 census recorded a population of 17,096 in the county, with a population density of . There were 6,943 housing units, of which 6,413 were occupied.-2000 census:...

|Unknown
|0037
|0.69 miles (1.1 km)
|Brief touchdown
|-
|bgcolor=# | EF2
|W of Arthur
Arthur, Iowa
Arthur is a city in Ida County, Iowa, United States. The population was 245 at the 2000 census.-Geography:Arthur is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

|Ida

Ida County, Iowa

-2010 census:The 2010 census recorded a population of 7,089 in the county, with a population density of . There were 3,426 housing units, of which 3,052 were occupied.-2000 census:...

|42.27°N 95.41°W
|0115
|4 miles (6.4 km)
|Several buildings, including a farm house, were heavily damaged and trees and power lines were damaged.
|-
|bgcolor=# | EF3
|NW of Odebolt
Odebolt, Iowa
Odebolt is a city in Sac County, Iowa, United States. The population was 1,153 at the 2000 census.-History:While the etymology of Odebolt's unusual name is unquestioned — being named after the Odebolt Creek — the etymology of the creek's name is disputed. It has been ascribed to a story of a...

|Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

|
|0123
|10.14 miles (16.3 km)
|Large wedge tornado destroyed several structures
|-
|bgcolor=# | EF2
|N of Odebolt
Odebolt, Iowa
Odebolt is a city in Sac County, Iowa, United States. The population was 1,153 at the 2000 census.-History:While the etymology of Odebolt's unusual name is unquestioned — being named after the Odebolt Creek — the etymology of the creek's name is disputed. It has been ascribed to a story of a...

to Early
Early, Iowa
Early is a city in Sac County, Iowa, United States. The population was 605 at the 2000 census.-Geography:Early is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

area
|Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

|
|0129
|8.34 miles (13.4 km)
|High-end EF2 tornado damaged or destroyed several structures
|-
|bgcolor=# | EF0
|SW of Early
Early, Iowa
Early is a city in Sac County, Iowa, United States. The population was 605 at the 2000 census.-Geography:Early is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

|Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

|
|0138
|0.75 miles (1.2 km)
|Satellite tornado to the previous storm; executed a small loop shortly after touching down.
|-
|bgcolor=# | EF1
|S of Galva
Galva, Iowa
Galva is a city in Ida County, Iowa, United States. The population was 368 at the 2000 census.-Geography:Galva is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

|Ida

Ida County, Iowa

-2010 census:The 2010 census recorded a population of 7,089 in the county, with a population density of . There were 3,426 housing units, of which 3,052 were occupied.-2000 census:...

|42.48°N 95.42°W
|0140
|unknown
|A farmstead was severely damaged with numerous outbuildings destroyed and a home losing its roof. A few other structures, including an ethanol

Ethanol

Ethanol, also called ethyl alcohol, pure alcohol, grain alcohol, or drinking alcohol, is a volatile, flammable, colorless liquid. It is a psychoactive drug and one of the oldest recreational drugs. Best known as the type of alcohol found in alcoholic beverages, it is also used in thermometers, as a...

plant, were also damaged.
|-
|bgcolor=# | EF3
|SW of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(1st tornado)
|Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

, Buena Vista

Buena Vista County, Iowa

-2010 census:The 2010 census recorded a population of 20,260 in the county, with a population density of . There were 8,237 housing units, of which 7,522 were occupied.-2000 census:...

, Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

|42.74°N 94.90°W
|0208
|30 miles (48.3 km)
|Long-track, extremely large wedge tornado, with a damage swath 1.5 miles (2.4 km) wide, leveled several farmhouses and damaged others. Numerous farm buildings were also damaged or destroyed. Tornado remained on the ground for more than an hour. From 0256 to 0257 UTC (9:56 to 9:57 pm CDT), this was one of five tornadoes on the ground in Pocahontas County, three of which were satellite tornadoes to this.
|-
|bgcolor=# | EF2
|NW of Nemaha
Nemaha, Iowa
Nemaha is a city in Sac County, Iowa, United States. The population was 102 at the 2000 census.-Geography:Nemaha is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

|Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

, Buena Vista

Buena Vista County, Iowa

-2010 census:The 2010 census recorded a population of 20,260 in the county, with a population density of . There were 8,237 housing units, of which 7,522 were occupied.-2000 census:...

|
|0209
|12 miles (19.3 km)
|Large wedge tornado, roughly 0.5 mile (0.80467 km) wide, damaged or destroyed several homes and outbuildings.
|-
|bgcolor=# | EF1
|S of Cherokee
Cherokee, Iowa
Cherokee is a city in Cherokee County, Iowa, United States. The population was 5,932 at the 2010 Census, up from 5,369 at the 2000 census. It is the county seat of Cherokee County. Cherokee is also the home of the Cherokee Mental Health Institute, under the Iowa Department of Human Services...

|Cherokee

Cherokee County, Iowa

-2010 census:The 2010 census recorded a population of 12,072 in the county, with a population density of . There were 5,777 housing units, of which 5,207 were occupied.-2000 census:...

|
|0220
|5 miles (8 km)
|Several structures sustained significant damage along the tornado's path and corn stubble was scoured. A confinement building was also destroyed by the tornado.
|-
|bgcolor=# | EF2
|SW of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(2nd tornado)
|Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

, Buena Vista

Buena Vista County, Iowa

-2010 census:The 2010 census recorded a population of 20,260 in the county, with a population density of . There were 8,237 housing units, of which 7,522 were occupied.-2000 census:...

,
|
|0224
|1.75 miles (2.8 km)
|Satellite tornado to the EF3 Pocahontas storm. Two buildings were damaged.
|-
|bgcolor=# | EF4
|W of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(1st tornado)
|Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

|
|0254
|3.2 miles (5.1 km)
|Strongest tornado of the outbreak with 170 miles per hour (273.6 km/h) winds. One home was completely leveled by the tornado and swept off its foundation. A combine, estimated at 30000 pounds (13,607.8 kg) was tossed roughly 100 yards (91.4 m) as well.
|-
|bgcolor=# | EF1
|WSW of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(1st tornado)
|Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

|
|0255
|1.5 miles (2.4 km)
|Satellite tornado to the EF3 Pocahontas tornado. On the ground at the same time as the following tornado. Relatively minor damage.
|-
|bgcolor=# | EF1
|WSW of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(2nd tornado)
|Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

|
|0255
|1.6 miles (2.6 km)
|Satellite tornado to the EF3 Pocahontas tornado. Anticyclonic tornado paired with the previous cyclonic tornado. Relatively minor damage.
|-
|bgcolor=# | EF2
|W of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(2nd tornado)
|Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

|
|0256
|0.9 miles (1.4 km)
|Fourth satellite tornado to the EF3 Pocahontas tornado. One home was badly damaged.
|-
|bgcolor=# | EF1
|W of Pocahontas
Pocahontas, Iowa
Pocahontas is a city in and the county seat of Pocahontas County, Iowa, United States. The population was 1,789 in the 2010 census, a decline from the 1,970 population in the 2000 census.-History:...

(3rd tornado)
|Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

Kossuth County, Iowa

-2010 census:The 2010 census recorded a population of 15,543 in the county, with a population density of . There were 7,486 housing units, of which 6,697 were occupied.-2000 census:...

|42.92°N 94.28°W
|0419
|0.8 miles (1.3 km)
|A hog barn was damaged, numerous windows blown out and half of a shed collapsed.
|-
|colspan="7" | Sources:
NWS Sioux Falls, NWS Omaha, NWS Des Moines
|}

April 10 event

List of reported tornadoes - Sunday, April 10, 2011
EF# Enhanced Fujita Scale The Enhanced Fujita Scale rates the strength of tornadoes in the United States based on the damage they cause.Implemented in place of the Fujita scale introduced in 1971 by Ted Fujita, it began operational use on February 1, 2007. The scale has the same basic design as the original Fujita scale:...	Location	County	Coord.	Time (UTC)	Path length	Comments/Damage
Wisconsin Wisconsin Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...
EF1	SW of Augusta Augusta, Wisconsin Augusta is a city in Eau Claire County, Wisconsin, United States. The population was 1,550 at the 2010 census. The city is located entirely within the Town of Bridge Creek.-Geography:Augusta is located at ....	Eau Claire Eau Claire County, Wisconsin Eau Claire County is a county located in the U.S. state of Wisconsin. As of 2010, the population estimate was 98,736. Its county seat is Eau Claire....	44.64°N 91.18°W	2157

}
|Brief tornado destroyed a garage and damaged two farmsteads and a barn. Earliest tornado to touch down in Eau Claire County during the course of a year on record. Previous earliest was May 10.
|-
|bgcolor=# | EF1
|NW of Augusta
Augusta, Wisconsin
Augusta is a city in Eau Claire County, Wisconsin, United States. The population was 1,550 at the 2010 census. The city is located entirely within the Town of Bridge Creek.-Geography:Augusta is located at ....

|Eau Claire

Eau Claire County, Wisconsin

Eau Claire County is a county located in the U.S. state of Wisconsin. As of 2010, the population estimate was 98,736. Its county seat is Eau Claire....

|44.70°N 91.15°W
|2204
|0.5 miles (804.7 m)
|Two outbuildings destroyed and three more damaged. Significant tree damage as well.
|-
|bgcolor=# | EF3
|Merrill
Merrill, Wisconsin
Merrill is a city in Lincoln County, Wisconsin, United States. The population was 10,728 at the 2010 census. The city is located to the south of and adjacent to the Town of Merrill....

area
|Lincoln

Lincoln County, Wisconsin

Lincoln County is a county located in the U.S. state of Wisconsin. As of 2000, the population was 29,641. Its county seat is Merrill.-Geography:According to the U.S...

, Marathon

Marathon County, Wisconsin

Marathon County is a county located in the U.S. state of Wisconsin. It is part of the Wausau, WI, Metropolitan Statistical Area. As of 2010, the population was 134,063. Its county seat is Wausau.-Geography:...

|45.14°N 89.68°W
|2308
|22 miles (35.4 km)
|Severe damage in the area, especially at and around the Merrill Airport where hangars and airplanes were destroyed. Throughout Merrill, 65 homes were damaged or destroyed and three people sustained injuries. One person was thrown 200 ft (61 m) from his home after the tornado destroyed his home. Overall damage was estimated at $10.8 million, most of which took place at an industrial park.
|-
|bgcolor=# | EF2
|Cottonville
Cottonville, Wisconsin
Cottonville is an unincorporated community located in the town of Preston, Adams County, Wisconsin, United States. Cottonville is located on Wisconsin Highway 13 and Big Roche Cri Creek north of Friendship....

area
|Adams

Adams County, Wisconsin

Adams County is a county in the U.S. state of Wisconsin. Sources differ as to whether its name is in honor of the second President of the United States, John Adams, or his son, the sixth President, John Quincy Adams. As of 2000, the population of Adams County was 18,643. Its county seat is...

|44.03°N 89.90°W
|2312
|17 miles (27.4 km)
|Homes sustained roof damage and mobile homes were destroyed. Extensive tree damage also occurred along with barns and sheds destroyed. A camping trailer was also overturned and sheet metal was wrapped around trees. Preliminary losses from the tornado reached $2.25 million.
|-
|bgcolor=# | EF1
|SSW of Necedah
Necedah, Wisconsin
Necedah is a village in Juneau County, Wisconsin, United States. The population was 888 at the 2000 census. The village is located within the Town of Necedah.-Attractions:The Necedah Shrine and the Necedah National Wildlife Refuge are located nearby....

|Juneau

Juneau County, Wisconsin

Juneau County is a county located in the U.S. state of Wisconsin. As of the 2000 census, the population was 24,316. Its county seat is Mauston. It should not, however, be confused with the city of Juneau, Wisconsin, to which it has no connection.-Geography:...

|43.98°N 90.09°W
|2314
|4.5 miles (7.2 km)
|A mobile home was rolled over and pine trees were snapped.
|-
|bgcolor=# | EF1
|SW of Hancock
Hancock, Wisconsin
Hancock is a village in Waushara County, Wisconsin, United States. The population was 463 at the 2000 census. The village is located within the Town of Hancock.-Geography:Hancock is located at ....

|Adams

Adams County, Wisconsin

Langlade County, Wisconsin

Langlade County is a county located in the U.S. state of Wisconsin. As of 2000, the population was 20,740. Its county seat is Antigo.-Geography:According to the U.S. Census Bureau, the county has a total area of , of which is land and is water...

|45.40°N 89.40°W
|2350
|5.3 miles (8.5 km)
| 1 million trees snapped or uprooted.
|-
|bgcolor=# | EF1
|S of Fremont
Fremont, Wisconsin
Fremont is a village in Waupaca County, Wisconsin, United States, within the town of Fremont. The population was 666 at the 2000 census. Fremont is often referred to as the "White Bass Capital of the World."-Geography:...

|Waushara, Waupaca

Waupaca County, Wisconsin

-Demographics: As of the census of 2000, there were 51,731 people, 19,863 households, and 13,884 families residing in the county. The population density was . There were 22,508 housing units at an average density of...

|44.23°N 88.86°W
|0015
|8 miles (12.9 km)
|Multiple barns were destroyed and highway signs were damaged. The roof was torn off one house in Readfield

Readfield, Wisconsin

Readfield is an unincorporated community located in Waupaca County, Wisconsin, United States. Readfield is located on Wisconsin Highway 96 east of Fremont, in the town of Caledonia. Readfield has a post office with ZIP code 54969....

and the steeple was torn off the church.
|-
|bgcolor=# | EF2
|E of Argonne
Argonne, Wisconsin
Argonne is a town in Forest County, Wisconsin, United States. The population was 512 at the 2010 census. The census-designated place of Argonne is located in the town...

|Forest

Forest County, Wisconsin

Forest County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 9,304. Its county seat is Crandon.-Indian Reservations:...

, Florence

Florence County, Wisconsin

Florence County is a county located in the U.S. state of Wisconsin. As of 2000, the population was 5,088. Its county seat is Florence.Florence County is part of the Iron Mountain, MI–WI Micropolitan Statistical Area.-Geography:According to the U.S...

|45.64°N 88.82°W
|0031
|13 miles (20.9 km)
|Extensive tree and power line damage. A roof was torn off of a home and several barns and garages were destroyed as well.
|-
|bgcolor=# | EF1
|NE of Poy Sippi
|Waushara, Winnebago

Winnebago County, Wisconsin

Winnebago County is a county in the U.S. state of Wisconsin. As of 2009, the population estimate was 163,370. Its county seat is Oshkosh. Winnebago County is included in the Oshkosh, Wisconsin-Neenah, Wisconsin, Metropolitan Statistical Area.-Geography:...

|44.16°N 89.00°W
|0053
|14.9 miles (24 km)
|Intermittent tornado touchdown with barns and buildings damaged. Roof damage to homes occurred and extensive tree damage was noted. Crossed over Lake Poygan

Lake Poygan

Lake Poygan, located in the U.S. state of Wisconsin near the village of Winneconne, is an expansive widening of the Wolf River totaling over 14,000 acres . Lake Poygan is part of the Winnebago Pool, a series of interconnected lakes fed by both the Fox and Wolf Rivers...

into Winnebago County

Winnebago County, Wisconsin

where mobile homes were damaged and flipped.
|-
|bgcolor=# | EF1
|W of Armstrong Creek
Armstrong Creek, Wisconsin
Armstrong Creek is a town in Forest County, Wisconsin, United States. The population was 409 at the 2010 census. The unincorporated communities of Armstrong Creek, Bonneval, and Laona Junction are located with the town.-Geography:...

|Forest

Forest County, Wisconsin

Forest County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 9,304. Its county seat is Crandon.-Indian Reservations:...

|45.65°N 88.50°W
|0108
|4.5 miles (7.2 km)
|A house was damaged and a garage was destroyed. Many trees were snapped in the area. Barns were also destroyed.
|-
|bgcolor=# | EF2
|Kaukauna
Kaukauna, Wisconsin
Kaukauna is a city in Outagamie County, Wisconsin, United States, on the Fox River, approximately 100 miles north of Milwaukee, with a population of 12,983. It is a part of the Appleton, Wisconsin Metropolitan Statistical Area, which is included in the Appleton-Oshkosh-Neenah, Wisconsin Combined...

area
|Outagamie

Outagamie County, Wisconsin

Outagamie is a county in the northeast region of the U.S. state of Wisconsin. Its county seat is Appleton. As of the 2009 census estimate, its population was 177,155....

|44.26°N 88.26°W
|0144
|1.5 miles (2.4 km)
|Over 170 houses were damaged in the community, some of them losing roofs. Large trees were uprooted or snapped. A church sustained roof damage and had air conditioning units torn off.
|-
|bgcolor=# | EF1
|S of Greenleaf
Greenleaf, Wisconsin
Greenleaf, Wisconsin is an unincorporated census-designated place in Brown County, Wisconsin, in the town of Wrightstown. It is located at the intersection of Wisconsin Highways 57/32 and 96. It uses ZIP code 54126. As of the 2010 census, Greenleaf has a population of 607...

|Brown
|44.27°N 88.09°W
|0153
|1.1 miles (1.8 km)
|Silos were damaged and a barn roof was ripped off.
|-
|bgcolor=# | EF1
|S of Stockbridge
Stockbridge, Wisconsin
Stockbridge is a village in Calumet County, Wisconsin, United States. The population was 649 in the 2000 census. The village lies within the Town of Stockbridge.-History:...

|Calumet

Calumet County, Wisconsin

Calumet County is a county located in the U.S. state of Wisconsin. It is included in the Appleton, Wisconsin, Metropolitan Statistical Area. As of 2010, the county's population was 48,971. The county seat is Chilton.-History:...

|44.05°N 88.29°W
|0159
|1.1 miles (1.8 km)
|Minor damage to 4 homes and the roof was torn off of a metal storage building.
|-
|bgcolor=# | EF0
|SSE of Berlin
Berlin, Wisconsin
Berlin is a city in Green Lake and Waushara Counties in the U.S. state of Wisconsin. The population was 5,305 at the 2000 census. The city is located mostly within the Town of Berlin in Green Lake County; only a small portion of the city extends into the Town of Aurora in Waushara...

|Green Lake

Green Lake County, Wisconsin

Green Lake County is a county located in the U.S. state of Wisconsin. As of 2000, the population was 19,105. Its county seat is Green Lake. The center of population of Wisconsin is located in Green Lake County in the city of Markesan.-Geography:...

|Unknown
|Unknown
|2 miles (3.2 km)
|Brief tornado damaged a home and tossed furniture.
|-
|colspan="7" align=center|Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

|-
|bgcolor=# | EF0
|N of Rogersville
Rogersville, Missouri
Rogersville is a city in Greene and Webster Counties in the U.S. state of Missouri. The population is 3,071 as of 2009. It is part of the Springfield, Missouri Metropolitan Statistical Area.-Geography:Rogersville is located at ....

|Webster

Webster County, Missouri

Webster County is a county located in Southwest Missouri. As of 2000, the population was 31,045. The population in 2010 was 36,202. Its county seat is Marshfield. The county was organized in 1855 and named for U.S. Senator and U.S...

|37.15°N 93.06°W
|0355
|6 mi (9.7 km)
|Damage to trees and outbuildings.
|-
|colspan="7" | Sources: NWS Twin Cities, NWS La Crosse, NWS Green Bay, NWS Springfield
|}

April 11 event

List of reported tornadoes - Monday, April 11, 2011
EF# Enhanced Fujita Scale The Enhanced Fujita Scale rates the strength of tornadoes in the United States based on the damage they cause.Implemented in place of the Fujita scale introduced in 1971 by Ted Fujita, it began operational use on February 1, 2007. The scale has the same basic design as the original Fujita scale:...	Location	County	Coord.	Time (UTC)	Path length	Comments/Damage
Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...
EF1	NNW of Rio Vista Rio Vista, Texas Rio Vista is a city in Johnson County, Texas, United States. The population was 656 at the 2000 census. The local Rio Vista residents dispute the proper way to pronounce the name of the town...	Johnson Johnson County, Texas As of the census of 2000, there were 126,811 people, 43,636 households, and 34,428 families residing in the county. The population density was 174 people per square mile . There were 46,269 housing units at an average density of 63 per square mile...	32.27°N 97.43°W	0609

}
|Five houses were damaged, one of them heavily and a wall was torn from a pharmacy. Mobile homes were also damaged and barns were destroyed.
|-
|bgcolor=# | EF1
|W of Alvarado
Alvarado, Texas
Alvarado is the oldest city in Johnson County, Texas. The population was 4,289 in 2009.-Geography:Alvarado is located at and is located at the intersection of US Hwy 67 and I-35W. The city is south of Fort Worth and southwest of Dallas.According to the United States Census Bureau, the city has...

|Johnson

Johnson County, Texas

As of the census of 2000, there were 126,811 people, 43,636 households, and 34,428 families residing in the county. The population density was 174 people per square mile . There were 46,269 housing units at an average density of 63 per square mile...

|32.40°N 97.22°W
|0622
|200 yards (182.9 m)
|Mobile homes were flipped.
|-
|bgcolor=# | EF1
|Forney
Forney, Texas
Forney is a city in Kaufman County, Texas, United States and has been named by the Texas legislature as the "Antique Capital of Texas". The population was 5,588 at the 2000 census...

area
|Kaufman

Kaufman County, Texas

As of the census of 2000, there were 71,313 people, 24,367 households, and 19,225 families residing in the county. The population density was 91/sq mi . There were 26,133 housing units at an average density of 33/sq mi...

|32.58°N 96.32°W
|0713
|0.5 miles (804.7 m)
|Several houses sustained roof damage and a truck stop sign was blown over.
|-
|bgcolor=# | EF1
|S of Cash
Cash, Texas
Cash is an unincorporated community in south central Hunt County, Texas, United States. It lies approximately five miles south of Greenville along State Highway 34....

|Hunt

Hunt County, Texas

As of the census of 2000, there were 76,596 people, 28,742 households, and 20,521 families residing in the county. The population density was 91 people per square mile . There were 32,490 housing units at an average density of 39 per square mile...

|32.98°N 96.13°W
|0734
|7 miles (11.3 km)
|Two houses were heavily damaged and numerous other houses sustained lesser damage. Damage to trees and sheds as well.
|-
|colspan="7" align=center|Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

|-
|bgcolor=# | EF1
|Vestavia Hills
Vestavia Hills, Alabama
Vestavia Hills is a city in Jefferson and Shelby Counties in the U.S. state of Alabama. It is a suburb of the city of Birmingham.-History:Vestavia Hills is named for the estate of former Birmingham mayor George B. Ward. It was situated on the crest of Shades Mountain in what is now the northern...

|Jefferson

Jefferson County, Alabama

Jefferson County is the most populous county in the U.S. state of Alabama, with its county seat being located in Birmingham.As of the 2010 U.S. Census, the population of Jefferson County was 658,466...

|33.45°N 86.78°W
|0027
|0.4 miles (643.7 m)
|Brief tornado embedded in larger microburst. One house was heavily damaged and numerous trees were snapped.
|-
|colspan="7" | Sources:
NWS Fort Worth, NWS Birmingham
|}

Non-tornadic events

Accompanying the tornadoes, large hail and high winds also impacted parts of the Midwest

Midwestern United States

The Midwestern United States is one of the four U.S. geographic regions defined by the United States Census Bureau, providing an official definition of the American Midwest....

. Initially, these events associated with the outbreak were confined to Iowa and parts of Nebraska

Nebraska

Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....

and Minnesota

Minnesota

Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...

on April 9. In Iowa, hail was measured up to 3.5 in (8.9 cm) in diameter, resulting in some damage to homes and cars. On April 10, a large line of severe storms produced damage from northern Minnesota southward to the Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

-Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

border. Most damage along this line resulted from straight-line winds; however, Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

, 2 to 2.5 in (5.1 to 6.4 cm) diameter hail in La Crosse

La Crosse, Wisconsin

La Crosse is a city in and the county seat of La Crosse County, Wisconsin, United States. The city lies alongside the Mississippi River.The 2011 Census Bureau estimates the city had a population of 52,485...

broke windows, dented cars and damaged homes. Roughly 3,200 insurance claims worth $12 million were later made in the city. Elsewhere in the state, winds up to 65 mph (104.6 km/h) downed numerous trees and power lines and in some instances tore roofs of buildings.

In Texas

Texas

, winds as high as 95 mph (152.9 km/h) caused extensive damage to homes and businesses, resulting in roughly $100 million in damage. Numerous trees were felled across the region and a few structures were destroyed. In Dallas County

Dallas County, Texas

As of the census of 2000, there were 2,218,899 people, 807,621 households, and 533,837 families residing in the county. The population density was 2,523 people per square mile . There were 854,119 housing units at an average density of 971/sq mi...

, a few carports collapsed. Near Venus

Venus, Texas

Venus is a town in Ellis and Johnson Counties in the U.S. state of Texas. The population was 2,426 in 2006.-Geography:Venus is located at ....

, 82 mph (132 km/h) winds damaged five homes.

On April 11, a strong derecho

Derecho

A derecho is a widespread and long-lived, violent convectively induced straight-line windstorm that is associated with a fast-moving band of severe thunderstorms in the form of a squall line usually taking the form of a bow echo...

brought widespread damage to much of northern Alabama

Alabama

Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

as well as parts of Mississippi

Mississippi

Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

, Georgia

Georgia (U.S. state)

Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

and Tennessee

Tennessee

Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

. Near Brent, Alabama

Brent, Alabama

Brent is a city in Bibb County, Alabama, United States. At the 2000 census the population was 4,024.-Geography:Brent is located at 32°56'24.864" North, 87°10'29.935" West .According to the U.S...

, a wind gust of 110 mph (177 km/h) was recorded 70 ft (21.3 m) up on a radio tower.

Aftermath

Within days of the tornadoes in Iowa, excavator

Excavator

Excavators are heavy construction equipment consisting of a boom, stick, bucket and cab on a rotating platform . The house sits atop an undercarriage with tracks or wheels. A cable-operated excavator uses winches and steel ropes to accomplish the movements. They are a natural progression from the...

s were brought in to clear debris and tear down homes that were damaged beyond repair. On May 5, nearly a month after the outbreak, President Barack Obama

Barack Obama

Barack Hussein Obama II is the 44th and current President of the United States. He is the first African American to hold the office. Obama previously served as a United States Senator from Illinois, from January 2005 until he resigned following his victory in the 2008 presidential election.Born in...

signed a federal disaster declaration for Buena Vista

Buena Vista County, Iowa

-2010 census:The 2010 census recorded a population of 20,260 in the county, with a population density of . There were 8,237 housing units, of which 7,522 were occupied.-2000 census:...

, Cherokee

Cherokee County, Iowa

-2010 census:The 2010 census recorded a population of 12,072 in the county, with a population density of . There were 5,777 housing units, of which 5,207 were occupied.-2000 census:...

, Ida

Ida County, Iowa

-2010 census:The 2010 census recorded a population of 7,089 in the county, with a population density of . There were 3,426 housing units, of which 3,052 were occupied.-2000 census:...

, Monona

Monona County, Iowa

-2010 census:The 2010 census recorded a population of 9,243 in the county, with a population density of . There were 4,697 housing units, of which 4,050 were occupied.-2000 census:...

, Pocahontas

Pocahontas County, Iowa

-2010 census:The 2010 census recorded a population of 7,310 in the county, with a population density of . There were 3,794 housing units, of which 3,233 were occupied.-2000 census:...

and Sac

Sac County, Iowa

-2010 census:The 2010 census recorded a population of 10,350 in the county, with a population density of . There were 5,429 housing units, of which 4,482 were occupied.-2000 census:...

Counties in Iowa. This allowed for government aid to be sent to the region and aid in recovery efforts. This declaration is set to remain in effect until May 1, 2012. A disaster outreach center was opened on May 6 at the Mapleton City Hall and the American Legion Post in Varina

Varina, Iowa

Varina is a city in Pocahontas County, Iowa, United States. The population was 90 at the 2000 census.It was named after Varina Farms, a plantation established by John Rolfe in Jamestown, Virginia...

and would remain open through May 26. At these places, residents would be allowed to apply for small business and homeowner loans

Home Owners' Loan Corporation

The Home Owners' Loan Corporation was a New Deal agency established in 1933 by the Home Owners' Loan Corporation Act under President Franklin D. Roosevelt. Its purpose was to refinance home mortgages currently in default to prevent foreclosure. This was accomplished by selling bonds to lenders in...

up to $2 million and $200,000 respectively.

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