Tornado outbreak sequence of April 19–24, 2011

The tornado outbreak sequence of April 19–24, 2011 was an extended period of significant tornado activity that began on April 19th, 2011 and ended on April 24, 2011. It affected the Midwest and Southern United States. The outbreak produced an EF4 tornado that tore through the St. Louis metropolitan area. Other tornadoes caused damage in Illinois, Indiana, and Ohio. No fatalities were reported in this outbreak. However, it was later followed less than 48 hours later by the largest tornado outbreak in the history of the United States.

Tornado outbreak sequence of April 19–24, 2011
NEXRAD radar mosaic at the time the St. Louis tornado touched down on April 22.
TypeTornado outbreak (sequence)
DurationApril 19–24, 2011
Tornadoes confirmed132
Max. rating1EF4 tornado
Duration of tornado outbreak2around 6 days
Highest winds
DamageUnknown
Casualties0 fatalities
Areas affectedUpper Midwest, Central Plains

1Most severe tornado damage; see Enhanced Fujita scale
2Time from first tornado to last tornado

Meteorological synopsis

April 19–20

EFU EF0 EF1 EF2 EF3 EF4 EF5
0 31 43 9 1 0 0

A severe weather event developed across the Midwest and southern Great Plains on April 19 as a dynamic low pressure system tracked across the area. Thunderstorms began in the late afternoon and early evening with large hail and several tornadoes. Significant damage was reported near Bowling Green, Missouri and Girard, Illinois as a result of tornadoes, the latter of which was rated EF3. Another large tornado was reported near Octavia, Oklahoma before the supercells merged into a very large squall line. Overnight, the squall line tracked eastward with widespread wind damage and many embedded tornadoes across several states, a few as strong as EF2 but most were brief and weak. In the early hours of April 20, 2011, a tornado tore through a neighborhood in Oregon, Ohio leaving some significant damage and no injuries.

April 22

Severe weather once again developed across parts of the Midwest on April 22. The St. Louis metropolitan area was hit hardest by the storm system. An EF4 tornado tracked across the region. Severe effects occurred in several communities, including houses and other buildings destroyed in Bridgeton, Ferguson, Florissant, Hazelwood, Maryland Heights, New Melle, and other communities. The tornado caused extensive damage to numerous facilities at Lambert-St. Louis International Airport, with injuries reported; airplanes were damaged from the high winds and terminal windows blew out. American Airlines claimed four of their jets were damaged, two significantly. The airport was closed for days after the tornado.[38] The EF4 tornado rating was based on finding of leveled houses in Bridgeton. Following assessments by the local National Weather Service, it was determined that a single tornado tracked for 22 mi (35 km) through parts of Missouri and Illinois. It reached a maximum width of 0.4 mi (0.64 km).Elsewhere, there were several reported tornadoes, including an EF2 which tracked through Henderson, Webster and Union County.[39] Miraculously, there were no fatalities or serious injuries that resulted from this storm.

April 23–24

Scattered tornadoes were reported across the US, but most were weak or remained over open country. However one tornado caused EF2 damage in the town of Bardwell, Kentucky. Another EF2 tornado destroyed airplane hangars near Cairo, Illinois. These later tornadoes were not part of the same weather system as the earlier tornadoes; they were part of a weather system that led to the 2011 Super Outbreak.

Confirmed tornadoes

Confirmed tornadoes by Enhanced Fujita rating
EFU EF0 EF1 EF2 EF3 EF4 EF5 Total
0 60 55 15 1 1 0 132

April 19 event

List of reported tornadoes - Tuesday, April 19, 2011
EF#
Location
County
Coord.
Time (UTC)
Path length
Comments/Damage
Missouri
EF1 SW of Bowling Green Pike 39.32°N 91.26°W / 39.32; -91.26 (Bowling Green (Apr. 19, EF1)) 2105 5 miles (8.0 km) Two houses were heavily damaged, and a barn and several outbuildings were destroyed.
EF0 Clarksville Pike 39.37°N 90.91°W / 39.37; -90.91 (Clarksville (Apr. 19, EF0)) 2140 0.2 miles (320 m) Several houses and a church sustained minor damage. Tornado accompanied by softball-sized hail.
EF1 S of Clubb Wayne 37.21°N 90.34°W / 37.21; -90.34 (Clubb (Apr. 19, EF1)) 0043 5 miles (8.0 km) Up to 500 yard wide tornado traveled from 1 mile south of Clubb to 3 miles south of Cascade, snapping and uprooting many trees, mostly in heavily forested conservation land.[1]
EF0 Patton Bollinger 39.50°N 90.00°W / 39.50; -90.00 (Clarksville (Apr. 19, EF0)) 0055 0.75 miles (1.21 km) A barn was destroyed and many trees were snapped.
EF0 W of Randles Cape Girardeau 39.50°N 90.00°W / 39.50; -90.00 (Randles (Apr. 19, EF0)) 0227 unknown Brief tornado blew down a few trees and power lines and damaged a window of a house.
Oklahoma
EF0 N of Fewell Pushmataha 34.52°N 95.02°W / 34.52; -95.02 (Fewell (Apr. 19, EF0)) 2258 unknown Brief tornado touchdown with no damage.
EF1 N of Honobia Pushmataha, Le Flore 34.52°N 94.95°W / 34.52; -94.95 (Honobia (Apr. 19, EF1)) 2307 4 miles (6.4 km) Several large trees were snapped.
EF0 NW of Zafra Le Flore 34.57°N 94.57°W / 34.57; -94.57 (Zafra (Apr. 19, EF0)) 2345 unknown Brief tornado touchdown with no damage.
EF0 N of Zafra Le Flore 34.57°N 94.52°W / 34.57; -94.52 (Zafra (Apr. 19, EF0)) 2348 3 miles (4.8 km) Tornado remained over open country.
Illinois
EF3 Girard area Macoupin 39.45°N 89.82°W / 39.45; -89.82 (Girard (Apr. 19, EF3)) 2305 6.5 miles (10.5 km) One brick house was destroyed and numerous other houses were heavily damaged. Two people were injured.
EF2 N of Farmersville Montgomery 39.46°N 89.65°W / 39.46; -89.65 (Farmersville (Apr. 19, EF2)) 2308 3.5 miles (5.6 km) A grain bin and two sheds were destroyed.
EF1 SW of Kincaid Christian 39.52°N 89.51°W / 39.52; -89.51 (Kincaid (Apr. 19, EF1)) 2317 2 miles (3.2 km) Several houses were damaged and three grain bins were destroyed.
EF2 S of Honey Bend Montgomery 39.26°N 89.63°W / 39.26; -89.63 (Honey Bend (Apr. 19, EF2)) 2320 3.5 miles (5.6 km) One house was destroyed and numerous others were damaged.
EF0 S of Morrisonville Christian 39.37°N 89.80°W / 39.37; -89.80 (Morrisonville (Apr. 19, EF0)) 2330 3.5 miles (5.6 km) Two barns and a metal farm building were destroyed.
EF1 NE of Taylorville Christian 39.58°N 89.26°W / 39.58; -89.26 (Taylorville (Apr. 19, EF1)) 2332 1 mile (1.6 km) Eight empty railroad cars were knocked off.
EF1 NE of Chrisman Edgar 39.82°N 87.64°W / 39.82; -87.64 (Chrisman (Apr. 19, EF1)) 0059 1.1 miles (1.8 km) A house was damaged and two barns and a garage were destroyed.
EF0 NE of Henning Vermilion 40.30°N 87.60°W / 40.30; -87.60 (Henning (Apr. 19, EF0)) 0102 3 miles (4.8 km) Several houses were damaged and trees and power poles were knocked down.
EF1 E of Rossville Vermilion 40.38°N 87.57°W / 40.38; -87.57 (Rossville (Apr. 19, EF1)) 0111 2.5 miles (4.0 km) Two houses, six grain bins, two sheds, a garage, a combine and several pieces of farming equipment were damaged.
EF0 Dowell Jackson 37.91°N 89.24°W / 37.91; -89.24 (Dowell (Apr. 19, EF0)) 0135 4 miles (6.4 km) Several carports, a camper and a garage were destroyed.
EF1 SW of Royalton Franklin 37.85°N 89.12°W / 37.85; -89.12 (Royalton (Apr. 19, EF1)) 0140 unknown Several houses sustained structural damage, including one that lost its roof.
EF1 Benton Franklin 38.00°N 88.92°W / 38.00; -88.92 (Benton (Apr. 19, EF1)) 0149 unknown Brief tornado with trees snapped and uprooted.
EF1 E of Centralia Marion 38.52°N 89.10°W / 38.52; -89.10 (Centralia (Apr. 19, EF1)) 0159 0.4 miles (640 m) Two houses were damaged and a pole barn was destroyed.
EF1 N of Mount Vernon Jefferson 38.36°N 88.93°W / 38.36; -88.93 (Mount Vernon (Apr. 19, EF1)) 0203 4 miles (6.4 km) Several houses sustained minor damage and trees were uprooted.
EF1 SE of Bluford Jefferson 38.31°N 88.71°W / 38.31; -88.71 (Bluford (Apr. 19, EF1)) 0206 1 mile (1.6 km) A house was damaged and several barns were heavily damaged or destroyed.
EF1 SE of McLeansboro Hamilton 38.04°N 88.44°W / 38.04; -88.44 (McLeansboro (Apr. 19, EF1)) 0219 2.5 miles (4.0 km) A small grain bin was destroyed and hundreds of trees were uprooted.
EF2 SE of Carmi White 38.04°N 88.08°W / 38.04; -88.08 (Carmi (Apr. 19, EF2)) 0228 3 miles (4.8 km) Barns and grain bins were blown down and trees were knocked down. A 7-ton truck was flipped and a house sustained roof damage.
EF1 NE of Carmi White 38.11°N 88.12°W / 38.11; -88.12 (Carmi (Apr. 19, EF1)) 0230 1.2 miles (1.9 km) Barns and grain bins destroyed. Roof torn off of farm house and trees were downed.
EF2 Fairfield area Wayne 38.33°N 88.29°W / 38.33; -88.29 (Fairfield (Apr. 19, EF2)) 0230 11 miles (18 km) A house, a machine shed and several grain bins were destroyed and a large tank was thrown. Two people were injured.
EF2 W of Keensburg Wabash 38.35°N 87.95°W / 38.35; -87.95 (Keensburg (Apr. 19, EF2)) 0242 11.4 miles (18.3 km) Steel transmission towers were knocked down. A mobile home, three grain bins and several barns were destroyed and numerous houses sustained roof damage.
EF1 W of Allendale Wabash 38.53°N 87.76°W / 38.53; -87.76 (Allendale (Apr. 19, EF1)) 0253 3 miles (4.8 km) Numerous trees were snapped and uprooted and power poles were knocked down. One house sustained minor damage.
Indiana
EF1 N of Newport Vermillion, Parke, Fountain, Montgomery 39.89°N 87.44°W / 39.89; -87.44 (Newport (Apr. 19, EF1)) 0110 31 miles (50 km) Long track tornado damaged trees, power lines, houses and sheds. Downgraded from EF2 to EF1 in final analysis.
EF1 S of Lafayette Tippecanoe 40.36°N 86.87°W / 40.36; -86.87 (Lafayette (Apr. 19, EF1)) 0140 1 mile (1.6 km) Many large trees snapped or uprooted, some landing on homes. Downgraded from EF2 to EF1 in final analysis.
EF0 S of Buck Creek Tippecanoe 40.47°N 86.74°W / 40.47; -86.74 (Buck Creek (Apr. 19, EF0)) 0150 3 miles (4.8 km) A barn lost parts of its roof.
EF1 W of Thorntown Boone 40.13°N 86.61°W / 40.13; -86.61 (Thorntown (Apr. 19, EF1)) 0155 0.5 miles (800 m) Trees were knocked down and a barn was destroyed.
EF0 SE of Royal Center Cass 40.84°N 86.49°W / 40.84; -86.49 (Royal Center (Apr. 19, EF0)) 0205 220 yards (200 m) Brief tornado destroyed a pole barn.
EF0 SE of Twelve Mile Cass 40.85°N 86.21°W / 40.85; -86.21 (Twelve Mile (Apr. 19, EF0)) 0220 50 yards (50 m) Brief tornado damaged an outbuilding and bent a TV antenna.
EF1 SW of Fairmount Grant 40.40°N 85.71°W / 40.40; -85.71 (Fairmount (Apr. 19, EF1)) 0241 2.5 miles (4.0 km) Several houses were damaged, one heavily.
EF1 W of Upland Grant 40.47°N 85.53°W / 40.47; -85.53 (Upland (Apr. 19, EF1)) 0248 2.5 miles (4.0 km) Two houses were damaged and numerous trees were snapped.
EF1 N of Decker Knox 38.51°N 87.51°W / 38.51; -87.51 (Decker (Apr. 19, EF1)) 0254 11 miles (18 km) A metal building was destroyed and several high-tension towers were damaged..
EF1 Wheatonville Warrick, Gibson 38.17°N 87.46°W / 38.17; -87.46 (Wheatonville (Apr. 19, EF1)) 0257 5 miles (8.0 km) Two houses were damaged, signs and utility poles were snapped and trees were uprooted.
EF1 S of Bryant Jay 40.51°N 84.97°W / 40.51; -84.97 (Bryant (Apr. 19, EF1)) 0316 7 miles (11 km) Intermittent tornado snapped power poles, damaged two houses and destroyed a garage, a barn and an outbuilding.
EF0 N of Huntingburg Dubois 38.32°N 86.95°W / 38.32; -86.95 (Huntingburg (Apr. 19, EF0)) 0322 0.3 miles (480 m) Brief tornado snapped numerous trees.
EF1 N of Ireland Dubois 38.39°N 86.94°W / 38.39; -86.94 (Ireland (Apr. 19, EF1)) 0322 3.1 miles (5.0 km) A grain silo was heavily damaged.
EF0 Haysville Dubois 38.49°N 86.93°W / 38.49; -86.93 (Haysville (Apr. 19, EF0)) 0325 2 miles (3.2 km) Numerous trees were blown down along the path.
EF1 SW of St. Anthony Dubois 38.31°N 86.83°W / 38.31; -86.83 (St. Anthony (Apr. 19, EF1)) 0326 0.4 miles (640 m) Brief tornado damaged a house and uprooted a few trees.
EF2 N of Bretzville Dubois 38.32°N 86.87°W / 38.32; -86.87 (Bretzville (Apr. 19, EF2)) 0326 3.3 miles (5.3 km) Several barns and outbuildings were destroyed. Extensive tree damage along the track.
EF2 E of Roland Orange 38.59°N 86.67°W / 38.59; -86.67 (Roland (Apr. 19, EF2)) 0339 1 mile (1.6 km) Two houses and a barn were damaged and trees were uprooted.
EF1 S of French Lick (1st tornado) Orange 38.44°N 86.61°W / 38.44; -86.61 (French Lick (Apr. 19, EF1)) 0340 1.5 miles (2.4 km) A metal barn and three outbuildings were destroyed.
EF1 S of French Lick (2nd tornado) Orange 38.47°N 86.59°W / 38.47; -86.59 (French Lick (Apr. 19, EF1)) 0340 0.75 miles (1.21 km) A porch was removed from a house and trees were knocked down.
EF0 SSW of Paoli (2nd tornado) Orange 38.51°N 86.50°W / 38.51; -86.50 (Paoli (Apr. 19, EF0)) 0347 0.5 miles (800 m) Brief tornado damaged a few trees and an outbuilding.
EF1 NE of Livonia (1st tornado) Washington 38.59°N 86.25°W / 38.59; -86.25 (Livonia (Apr. 20, EF1)) 0359 1.4 miles (2.3 km) Three grain bins were destroyed and a house was damaged.
EF0 NE of Livonia (2nd tornado) Washington 38.58°N 86.23°W / 38.58; -86.23 (Livonia (Apr. 20, EF0)) 0400 0.7 miles (1.1 km) A grain silo and two barns were damaged.
EF0 NNE of Salem Washington 38.65°N 86.07°W / 38.65; -86.07 (Salem (Apr. 20, EF0)) 0407 0.6 miles (970 m) A house was damaged and sheds and outbuildings were destroyed.
EF0 N of Corydon Harrison 38.21°N 86.12°W / 38.21; -86.12 (Corydon (Apr. 20, EF0)) 0409 0.3 miles (480 m) Brief tornado snapped a few trees.
EF0 W of Austin Washington, Scott 38.67°N 85.90°W / 38.67; -85.90 (Austin (Apr. 20, EF0)) 0414 13 miles (21 km) Intermittent tornado with tree damage.
EF0 Scottsburg area Scott, Jefferson 38.67°N 85.90°W / 38.67; -85.90 (Scottsburg (Apr. 20, EF0)) 0419 12 miles (19 km) Several houses, agricultural buildings and a Holiday Inn hotel were damaged.
EF0 N of Jeffersonville (1st tornado) Clark 38.31°N 85.73°W / 38.31; -85.73 (Jeffersonville (Apr. 20, EF0)) 0428 0.1 miles (160 m) Very brief tornado damaged a shed and a few trees.
EF1 N of Jeffersonville (2nd tornado) Clark 38.30°N 85.73°W / 38.30; -85.73 (Jeffersonville (Apr. 20, EF1)) 0428 1.2 miles (1.9 km) About 25 trailers were damaged, one of which was thrown long distances. A church was also damaged.
EF1 S of China Jefferson 38.80°N 85.34°W / 38.80; -85.34 (China (Apr. 20, EF1)) 0440 2 miles (3.2 km) Several outbuildings were destroyed, one of which landed through a house.
EF1 NE of Bryantsburg Jefferson 38.90°N 85.36°W / 38.90; -85.36 (Bryantsburg (Apr. 20, EF1)) 0441 3 miles (4.8 km) A mobile home and several barns were destroyed and a house was damaged.
Ohio
EF0 W of Van Wert Van Wert 40.87°N 84.62°W / 40.87; -84.62 (Van Wert (Apr. 19, EF0)) 0319 0.5 miles (800 m) A house was damaged and a garage was destroyed.
EF2 Celina Mercer 40.55°N 84.57°W / 40.55; -84.57 (Celina (Apr. 19, EF2)) 0339 4 miles (6.4 km) Several houses and businesses were heavily damaged and others sustained minor damage. Barns, garages and outbuildings were also destroyed.
EF1 E of Monticello Van Wert, Allen 40.68°N 84.42°W / 40.68; -84.42 (Monticello (Apr. 19, EF1)) 0340 4 miles (6.4 km) Several houses were damaged and sheds and barns were destroyed.
EF0 N of St. Mary's Auglaize 40.61°N 84.39°W / 40.61; -84.39 (St. Mary's (Apr. 19, EF0)) 0344 4 miles (6.4 km) A small wooden barn was destroyed and houses and trees were damaged.
EF1 N of Cairo Allen 40.86°N 84.07°W / 40.86; -84.07 (Cairo (Apr. 19, EF1)) 0358 0.5 miles (800 m) Significant damage on a farm with a house damaged and a barn destroyed.
EF0 NE of Oregon Lucas 41.67°N 83.42°W / 41.67; -83.42 (Oregon (Apr. 19, EF0)) 0437 0.75 miles (1.21 km) One building was heavily damaged and about 24 others sustained minor damage.
EF0 SW of Port Clinton Ottawa 41.47°N 82.99°W / 41.47; -82.99 (Port Clinton (Apr. 19, EF0)) 0455 1.5 miles (2.4 km) Two houses sustained minor damage, outbuildings were damaged and trees were snapped.
Kentucky
EF0 S of Payneville Breckinridge, Meade 37.78°N 86.45°W / 37.78; -86.45 (Payneville (Apr. 19, EF0)) 0354 11 miles (18 km) Intermittent tornado touchdown with damage to several houses and barns.
EF1 NW of La Grange Oldham 38.42°N 85.40°W / 38.42; -85.40 (La Grange (Apr. 20, EF1)) 0449 0.2 miles (320 m) Brief tornado damaged a house and snapped some trees.
Sources: St. Louis, NWS Northern Indiana, NWS Louisville, NWS Paducah, NWS Wilmington OH, NWS Cleveland, NWS Indianapolis, NWS Central Illinois

April 20 event

List of reported tornadoes - Wednesday, April 20, 2011
EF#
Location
County
Coord.
Time (UTC)
Path length
Comments/Damage
Indiana
EF1 N of Warsaw Switzerland 38.86°N 84.88°W / 38.86; -84.88 (Warsaw (Apr. 20, EF1)) 0504 2 miles (3.2 km) Two houses were damaged and three barns were destroyed.
Kentucky
EF0 Frankfort area Franklin 38.19°N 84.87°W / 38.19; -84.87 (Frankfort (Apr. 20, EF0)) 0528 4.7 miles (7.6 km) Trees were snapped along the track and a few houses sustained minor damage.
EF1 NE of Georgetown Scott 38.23°N 84.54°W / 38.23; -84.54 (Georgetown (Apr. 20, EF1)) 0554 0.5 miles (800 m) A garage, a trailer and several outbuildings were heavily damaged.
EF1 NW of Franklin Simpson 36.53°N 86.57°W / 36.53; -86.57 (Franklin (Apr. 20, EF1)) 0630 3.3 miles (5.3 km) Two barns were heavily damaged and trees were uprooted.
Ohio
EF1 New Holland Pickaway 39.55°N 83.26°W / 39.55; -83.26 (New Holland (Apr. 20, EF1)) 0614 4.2 miles (6.8 km) A brick building was damaged, a grain bin and two barns were destroyed and trees were knocked down.
EF1 S of Groveport Franklin 39.80°N 82.91°W / 39.80; -82.91 (Groveport (Apr. 20, EF1)) 0622 2.6 miles (4.2 km) Two houses sustained significant roof damage and a metal building was destroyed.
EF0 ENE of Groveport Franklin 39.85°N 82.85°W / 39.85; -82.85 (Groveport (Apr. 20, EF0)) 0626 unknown 12 greenhouses and a shed were damaged.
EF1 E of Baltimore Fairfield 39.84°N 82.58°W / 39.84; -82.58 (Newark (Apr. 20, EF1)) 0639 0.5 miles (800 m) A house and a barn were damaged and a garage was destroyed.
EF2 Heath area Licking 40.03°N 82.47°W / 40.03; -82.47 (Heath (Apr. 20, EF2)) 0642 3.8 miles (6.1 km) Several houses and businesses were damaged, with one masonry building heavily damaged.
EF1 ESE of Newark Licking 40.05°N 82.28°W / 40.05; -82.28 (Newark (Apr. 20, EF1)) 0651 500 yards (460 m) Brief tornado destroyed a mobile home and uprooted trees.
EF0 Piketon Pike 39.05°N 83.01°W / 39.05; -83.01 (Piketon (Apr. 20, EF0)) 0651 0.25 miles (400 m) Brief tornado damaged a house, a mobile home and several buildings at the Pike County fairgrounds.
EF0 SW of Zahns Corners Pike 39.05°N 82.95°W / 39.05; -82.95 (Zahns Corners (Apr. 20, EF0)) 0653 unknown Brief tornado damaged several houses and mobile homes.
Alabama
EF1 SW of Leola Lawrence 0858 3 miles (4.8 km) Many trees were downed along the path.
Texas
EF0 W of Kimble Kimble 30.49°N 99.85°W / 30.49; -99.85 (Kimble (Apr. 20, EF0)) 2337 unknown Brief tornado touchdown along Interstate 10 at mile 449.
Mississippi
EF1 E of Tomnolen Webster 33.47°N 89.35°W / 33.47; -89.35 (Tomnolen (Apr. 20, EF1)) 0109 3.5 miles (5.6 km) Many trees were uprooted and several houses were damaged, some of them by fallen trees.
Sources: NWS Louisville, NWS Wilmington OH, NWS Jackson, NCDC Storm Data

April 21 event

List of reported tornadoes - Thursday, April 21, 2011
EF#
Location
County
Coord.
Time (UTC)
Path length
Comments/Damage
Texas
EF2 Sanderson area Terrell 30.19°N 102.43°W / 30.19; -102.43 (Sanderson (Apr. 21, EF2)) 2345 9 miles (14 km) A house and a barn were destroyed and several cedar trees were uprooted and snapped.
EF1 N of Stith Jones 32.57°N 99.98°W / 32.57; -99.98 (Stith (Apr. 21, EF1)) 0152 5 miles (8.0 km) Several houses were damaged and barns, fences and a grain bin were destroyed and farm animals were killed.
EF0 WSW of Hawley Jones 32.58°N 99.91°W / 32.58; -99.91 (Hawley (Apr. 21, EF0)) 0155 unknown Rope tornado confirmed by spotters. Remained over open country with no damage.
Sources: SPC Storm Reports for 04/21/11, NCDC Storm Data

April 22 event

List of reported tornadoes - Friday, April 22, 2011
EF#
Location
County
Coord.
Time (UTC)
Path length
Comments/Damage
Oklahoma
EF0 SW of Welty Okfuskee 35.60°N 96.43°W / 35.60; -96.43 (Mason (Apr. 22, EF0)) 2303 0.1 miles (0.16 km) Brief tornado with no damage[2]
EF0 E of Kansas Delaware 36.21°N 94.71°W / 36.21; -94.71 (Kansas (Apr. 22, EF0)) 2316 0.1 miles (0.16 km) Brief tornado with no damage.[2]
EF1 SE of Moodys Cherokee 0018 1 mile (1.6 km) Very brief tornado downed several trees.
EF0 NW of Blackstone Mine Okmulgee 0019 unknown Brief tornado touchdown with no damage.
EF0 SW of Byars McClain 0045 Unknown Tornado observed by storm chasers. No damaged was reported.
EF1 E of Byars McClain 0059 unknown Tornado was observed by storm chasers. Trees and powerlines were downed and an outbuilding was damaged.
EF0 NW of Stratford Garvin 0102 unknown Tornado reported by storm chasers. No damage occurred.
EF0 SE of Fame McIntosh 0114 unknown Brief tornado occurred over Eufaula Lake. No damage was reported.
Arkansas
EF0 SE of Cherokee City Benton 2341 unknown Brief tornado touched down over open country with no damage.
EF0 Highfill area Benton 36.26°N 94.36°W / 36.26; -94.36 (Highfill (Apr. 22, EF0)) 0005 0.1 miles (0.16 km) Brief tornado touched down near the Northwest Arkansas Regional Airport, though no damage was reported.[2]
EF0 NE of Bentonville Benton 0021 unknown Touched down over open fields with no damage.
Missouri
EF1 East of Mill Spring Wayne 0012 2 miles (3.2 km) 300-yard wide tornado destroyed a mobile home, uprooted hundreds of trees, some pine trees snapped off 3 feet above the ground.[1]
EF1 New Melle area St. Charles 38.71°N 90.88°W / 38.71; -90.88 (New Melle (Apr. 22, EF1)) 0035 4 miles (6.4 km) One house lost its roof and many other houses were damaged. A horse stable and several barns and outbuildings were destroyed. Precursor to the main St. Louis tornado.
EF4 St. Louis area St. Louis, St. Louis (city), Madison (IL) 38.77°N 90.43°W / 38.77; -90.43 (St. Louis (Apr. 22, EF4)) 0100 22 miles (35 km) See article
Illinois
EF2 SW of Highland Madison, Clinton, Bond 19 miles (31 km) Widespread damage to farms and trees. Several barns were damaged or destroyed and many homes were damaged.
EF2 Waterloo area Monroe 3.5 miles (5.6 km) Several homes sustained roof damage and outbuildings were destroyed; debris from a garage was carried 30 to 40 yards (27 to 37 m) away from where the structure initially stood. A few large trees were snapped at their base.
EF1 Paderborn area St. Clair 1.5 miles (2.4 km) Numerous trees were snapped or uprooted and six homes sustained roof damage.
Kentucky
EF0 SE of Versailles Woodford 38.05°N 84.73°W / 38.05; -84.73 (Versailles (Apr. 22, EF0)) 2312 0.75 miles (1.21 km) Minor damage to trees and fences.
EF0 E of Versailles Woodford 38.06°N 84.71°W / 38.06; -84.71 (Versailles (Apr. 22, EF0)) 2315 0.25 miles (400 m)
EF2 N of Poole Union, Webster, Henderson 37.66°N 87.44°W / 37.66; -87.44 (Poole (Apr. 22, EF2)) 0350 16 miles (26 km) Several houses were damaged, three of them significantly with their roofs lost. Several grain bins, barns and garages were also destroyed. Two people sustained minor injuries.
EF0 E of Stanley Daviess 0427 unknown Tornado witnessed by law enforcement. Power lines were down.
Sources: SPC Storm Reports for 04/22/11, NWS St. Louis, NWS Paducah, NWS Louisville

April 23 event

List of reported tornadoes - Saturday, April 23, 2011
EF#
Location
County
Coord.
Time (UTC)
Path length
Comments/Damage
Indiana
EF0 N of Seymour Jackson 0535 4 miles (6.4 km) Tornado skipped southeast for 4 miles (6.4 km) before lifting. Several structures were damaged, including a house that lost part of its roof.
Kentucky
EF0 E of Connersville Harrison 38.38°N 84.39°W / 38.38; -84.39 (Connersville (Apr. 23, EF0)) 1009 0.5 miles (0.80 km) Several barns and outbuildings were damaged. Trees were snapped or uprooted.
EF0 SSE of Elliston Grant, Pendleton 38.71°N 84.74°W / 38.71; -84.74 (Elliston (Apr. 23, EF1)) 1859 1.2 miles (1.9 km) A garage was destroyed.
EF0 Folsom Grant 38.7097°N 84.7487°W / 38.7097; -84.7487 (Folsom (Apr. 23, EF0)) 1904 1.2 miles (1.9 km) A garage and barn were destroyed. One home and a trailer were also damaged. Numerous trees were downed.
EF1 E of Dry Ridge Grant, Pendleton 38.6985°N 84.5393°W / 38.6985; -84.5393 (Dry Ridge (Apr. 23, EF1)) 1910 4.3 miles (6.9 km) Several houses were damaged and a barn was heavily damaged. Many trees were downed.
EF1 Visalia area Kenton 38.9123°N 84.4522°W / 38.9123; -84.4522 (Visalia (Apr. 23, EF1)) 1914 1,000 feet (300 m) A brief tornado downed numerous trees, damaged an elementary school and destroyed an outbuilding.
EF1 Barlow area Ballard 37.05°N 89.05°W / 37.05; -89.05 (Barlow (Apr. 23, EF1)) 1929 1.6 miles (2.6 km) Many large trees were felled, some of which fell on homes and caused damage. Two homes also sustained minor roof damage from the tornado.
EF2 Bardwell area Carlisle 36.87°N 89.01°W / 36.87; -89.01 (Bardwell (Apr. 23, EF2)) 1930 3 miles (4.8 km) A steel building was destroyed, entire walls of brick business buildings were also destroyed. Thirty large trees were uprooted and two people were injured.
Illinois
EF2 ESE of Klondike Alexander 37.06°N 89.23°W / 37.06; -89.23 (Klondike (Apr. 23, EF2)) 1915 2.9 miles (4.7 km) A mobile home was destroyed and two other buildings sustained minor roof damage. A hangar/storage building was also destroyed at Cairo Regional Airport.
EF1 Metropolis area Massac 37.15°N 88.71°W / 37.15; -88.71 (Connersville (Apr. 23, EF1)) 1947 6.5 miles (10.5 km) Minor roof damage with downed trees reported.
Missouri
EF0 Dexter area Stoddard 36.79°N 89.96°W / 36.79; -89.96 (Dexter (Apr. 23, EF0)) 1915 unknown
EF1 WSW of Neelyville Butler 36.55°N 90.53°W / 36.55; -90.53 (Neelyville (Apr. 23, EF1)) 0520 0.6 miles (0.97 km) Two mobile homes were destroyed.
Texas
EF0 NW of Sidney Comanche 0013 unknown Brief tornado touched down over open land with no damage.
Sources: SPC Storm Reports for 04/23/11, NWS Paducah, NWS Wilmington

April 24 event

List of reported tornadoes - Sunday, April 24, 2011
EF#
Location
County
Coord.
Time (UTC)
Path length
Comments/Damage
Nevada
EF0 SW of Winnemucca Humboldt 40.88°N 117.86°W / 40.88; -117.86 (Winnemucca (Apr. 24, EF0)) 1755 1 mile (1.6 km) Tornado remained over open country.
Texas
EF0 N of Baird (1st tornado) Callahan 32.47°N 99.39°W / 32.47; -99.39 (Baird (Apr. 24, EF0)) 2028 1 mile (1.6 km) Damage limited to a few tree limbs.
EF0 Ibex Shackelford 32.67°N 99.12°W / 32.67; -99.12 (Ibex (Apr. 24, EF0)) 2055 unknown Brief tornado uprooted a few trees.
EF0 ENE of Potosi Taylor 32.33°N 99.62°W / 32.33; -99.62 (Potosi (Apr. 24, EF0)) 2122 unknown Brief tornado touchdown with no damage.
EF0 N of Baird (2nd tornado) Callahan unknown 2 miles (3.2 km) Rope tornado reported by storm chasers.
EF0 N of Baird (3rd tornado) Callahan 32.50°N 99.39°W / 32.50; -99.39 (Baird (Apr. 24, EF0)) 2215 unknown Damage limited to a few tree limbs.
EF0 N of Baird (4th tornado) Callahan 32.47°N 99.37°W / 32.47; -99.37 (Baird (Apr. 24, EF0)) 2227 6 miles (9.7 km) Large multiple-vortex tornado remained over open country.
EF0 NW of Coleman Callahan 31.92°N 99.57°W / 31.92; -99.57 (Oplin (Apr. 24, EF0)) 0127 unknown Brief tornado pictured by a storm chaser with no damage.
Oklahoma
EF0 SE of Scipio Pittsburg 35.00°N 95.92°W / 35.00; -95.92 (Baird (Apr. 24, EF0)) 2205 1 mile (1.6 km) A barn and a house sustained roof damage and trees were snapped.
EF0 SE of Monroe Le Flore 34.97°N 94.50°W / 34.97; -94.50 (Monroe (Apr. 24, EF0)) 0003 unknown Brief tornado damaged a roof of a house.
Arkansas
EF1 N of Umpire Howard 34.28°N 94.05°W / 34.28; -94.05 (Umpire (Apr. 24, EF1)) 0354 3 miles (4.8 km) Extensive tree damage in the area and a section of roof was torn from a house. A large storage building was destroyed and a chicken house was damaged.
Sources: SPC Storm Reports for 04/24/11, NCDC Storm Data

References

  1. https://archive.is/20121205032027/http://www.weather.gov/view/validProds.php?prod=PNS&node=KPAH NWS Paducah (KY) Office Report
  2. Unattributed (April 23, 2011). "Tornadoes Confirmed In Oklahoma, Arkansas". News 9. Archived from the original on April 24, 2011. Retrieved April 24, 2011.

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