June 12–13, 2013 derecho series

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June 12–13, 2013 Derecho Series
300px
Map of the two derecho events across the United States
Date(s) June 12–13, 2013
Duration 11:00 p.m.–11:00 a.m. June 12–13 (12 hours);
11:00 a.m.–8:00 p.m. June 13 (9 hours)
(UTC-04:00)
Peak wind gust 95 mph (NW of Wabash, Indiana on June 12)
Largest hail 2.75 Inches (Wells, Minnesota on June 12 and W of Callaway, Maryland on June 13)
Tornadoes caused 30
Maximum rated tornado1 EF3 tornado
Fatalities 4
Damage Unknown
Areas affected United States Midwest, United States Mid-Atlantic, Southeastern United States
1Most severe tornado damage; see Enhanced Fujita scale

From June 12 to June 13, 2013, two derechos occurred across different areas of the Eastern United States. The initial derecho formed on the afternoon of June 12 and tracked across a large section of the Midwestern United States, the central Appalachians, and the Mid-Atlantic states before moving into the Atlantic Ocean during the morning of June 13. A second, more widespread and intense derecho occurred on June 13 across the Southeastern United States, resulting in major wind damage across North Carolina, Virginia, and Maryland, among other states. They resulted in at least three deaths and caused extensive damage – resulting from both tornadoes and straight-line winds – from Iowa to South Carolina. 28 tornadoes touched down in Iowa, Illinois, Ohio, Georgia, North Carolina, Maryland, Virginia, and Tennessee. One of the tornadoes in Iowa was rated as a high-end EF3, destroying a restaurant and two houses. One person was injured by another tornado, rated EF2, in Carroll County, Illinois, and nine people were injured by and EF1 in Cherokee County, Georgia.

Storm overview

An upper level disturbance across the northern Great Plains interacted with a warm and moist air mass on the afternoon of June 12. This interaction led to the development of supercell thunderstorms across Iowa, Illinois, Wisconsin, and Minnesota. The cells gradually formed into a line and turned into a derecho in the Chicago area that evening.[1]

June 12 supercells

Between 3 and 4 p.m. CDT (2000–2100 UTC) on June 12, numerous supercell thunderstorms developed across Iowa, Illinois, Wisconsin, and Minnesota.[2] These supercells resulted in seven of the 13 tornadoes that touched down that day.[3] Five tornadoes were confirmed across Wright and Franklin counties in Iowa. One of the tornadoes was rated high-end EF3, destroying two houses and a restaurant. Other tornadoes were rated EF2, EF1, and EF0, with numerous farm buildings suffering major damage.[4] Two other tornadoes – rated EF0 and EF2 – touched down in Jo Daviess and Carroll County, Illinois. One person was injured near Savanna.[5]

June 12–13 derecho

The supercell activity in Iowa and Illinois congealed into a powerful squall line as the storms moved into Indiana later that night. The newly formed derecho began producing numerous reports of damaging winds in northern Indiana. As the storms reached the town of Wabash, an embedded downburst within the main line produced winds up to 100 mph (160 km/h) in the town. Farm structures were destroyed and trees were snapped and uprooted.[6] The derecho continued into Ohio and produced widespread damaging winds across much of the state, along with several embedded tornadoes.[7] Henry County, Ohio documented four separate touchdowns, and a total of nine tornadoes occurred in Ohio that night.[8]

The derecho continued eastward into the early morning hours of the 13th, through Pennsylvania, Virginia, West Virginia, Maryland, New Jersey, and Delaware, producing wind damage in each state before dissipating.[9]

June 13 derecho

On the morning of the 13, another linear complex of severe storms developed along a line near the southern border of Ohio. The storms eventually strengthened into a powerful derecho and raced to the south and east.[9] As the storms reached eastern Tennessee and Kentucky, hundreds of damaging wind reports began coming in to the Storm Prediction Center.[10] In the Atlanta area, the storms produced two embedded EF1 tornadoes that moved through several suburbs. One of the tornadoes struck Canton, Georgia and injured nine people.[11] Fatalities and injuries occurred as a result of falling trees and power lines as the storms ripped through North Carolina and Virginia, along with numerous reports of damaging winds and power outages.[12][13] The derecho downed numerous tress and damaged structures in West Virginia as well, with surveys indictaing winds up to 80 mph (130 km/h) in some areas[14]

In Maryland, the derecho produced an unusually fast moving, long track EF0 tornado that tracked through several northern DC suburbs, downing many trees, several of which landed on homes.[15] Emdedded tornadoes also occurred in Tennessee, Virginia, and North Carolina. The derecho moved out over the Atlantic Ocean and dissipated later that evening. The SPC received a total of 794 damaging wind reports that day.[12]

Confirmed tornadoes

Confirmed tornadoes by Enhanced Fujita rating
EF0 EF1 EF2 EF3 EF4 EF5 Total
17 10 2 1 0 0 30

June 12 event

List of reported tornadoes - Wednesday, June 12, 2013
EF#
Location
County / Parish
Coord.
Time (UTC)
Path length
Max width
Summary
Iowa
EF3 Northern Belmond Wright Lua error in package.lua at line 80: module 'strict' not found. 2108 – 2127 6.2 miles (10.0 km) 200 yd (180 m) High-end EF3 tornado touched down to the northwest of Belmond and tracked generally southeast, damaging a machine shed. Quickly intensifying, it reached EF2 strength as it struck a farmstead, causing significant damage. As it approached U.S. Highway 69, it reached high-end EF3 intensity as it clipped the north edge of Belmond. A home was detached from its cinder-block foundation and destroyed, and several business were heavily damaged, including a restaurant. A warehouse was also destroyed and partially swept off its foundation. Damage was relatively light for the remainder of the track northeast and east of town, with the tornado later roping out and dissipating to the east-southeast of Belmond. The tornado crossed the track of the 2119 UTC EF1 tornado that had passed through area east of Belmond almost 10 minutes earlier.[3][4][16][17]
EF1 ESE of Belmond Wright Lua error in package.lua at line 80: module 'strict' not found. 2119 – 2134 5 miles (8.0 km) 125 yd (114 m) As the 2108 UTC EF3 tornado was north of Belmond (eight minutes before the EF3 dissipated), another tornado touched down to the east of town. This tornado remained over mostly open areas, though it knocked a weather mesonet station off the roof of the elementary school and downed a grove of trees.[3][4][16][18]
EF2 NNE of Alexander to NW of Latimer Franklin Lua error in package.lua at line 80: module 'strict' not found. 2134 – 2149 5.2 miles (8.4 km) 300 yd (270 m) As the 2126 UTC EF1 storm was dissipating, this tornado touched down further east. It heavily damaged several farms before dissipating just before reaching Interstate 35.[3][4][16][19]
EF1 NE of Latimer to NW of Hampton Franklin Lua error in package.lua at line 80: module 'strict' not found. 2138 – 2148 3.5 miles (5.6 km) 75 yd (69 m) A small tornado damaged the roof of a barn and downed about a dozen trees at two farmsteads.[3][4][16][20]
EF0 NW of Hampton Franklin Lua error in package.lua at line 80: module 'strict' not found. 2156 – 2159 1.1 miles (1.8 km) 50 yd (46 m) Weak tornado caused minor damage to the roof of a barn and downed several trees.[3][4][16][21]
Illinois
EF1 S of Shabbona DeKalb Lua error in package.lua at line 80: module 'strict' not found. 2132 – 2137 2.25 miles (3.62 km) 100 yd (91 m) Many trees and power poles were downed and one structure suffered minor shingle damage.[3][1][22]
EF0 S of Hanover Jo Daviess Lua error in package.lua at line 80: module 'strict' not found. 2350 0.5 miles (0.80 km) 20 yd (18 m) Brief, weak tornado with no damage.[3][5][23]
EF2 N of Savanna to W of Mount Carroll Carroll Lua error in package.lua at line 80: module 'strict' not found. 2353 – 0003 6.6 miles (10.6 km) 0.5 mi (0.80 km) A home was pushed off of its foundation, several outbuildings were damaged, and many trees were downed. One person was injured.[3][5][24]
EF0 NW of Manteno Kankakee Lua error in package.lua at line 80: module 'strict' not found. 0050 – 0051 0.25 miles (400 m) 50 yd (46 m) Brief tornado touched down at a farmstead and collapsed a barn, killing a horse. Debris was tossed about 75 yards (69 m) to the southeast into a field, where the tornado dissipated.[3][1][25]
Ohio†
EF0 Southern Willshire Van Wert Lua error in package.lua at line 80: module 'strict' not found. 0327 – 0330 0.65 miles (1.05 km) 80 yd (73 m) Weak, brief tornado on the south side of town caused major roof and window damage to 13 homes and rolled a garage off of its cinder-block foundation. One house lost a portion of its roof and it was thrown over the top of a neighboring house. Several trees were downed as well.[3][26][27]
EF0 NW of Rockford Mercer Lua error in package.lua at line 80: module 'strict' not found. 0335 – 0336 100 yards (91 m) 100 yd (91 m) Part of the roof was removed from an aluminum barn and the barn had four large doors blown out. Debris from this buildings caused damage to surrounding structures, most notably large dents in two grain silos. Another aluminum building suffered siding damage and one window was blown out.[3][28][29]
EF0 ESE of New Bavaria Henry Lua error in package.lua at line 80: module 'strict' not found. 0355 – 0356 50 yards (46 m) 25 yd (23 m) Very brief tornado destroyed a barn, caused minor roof damage to a home, and downed trees before transitioning into a straight-line wind event.[3][26][30]
EF1 N of Hamler Henry Lua error in package.lua at line 80: module 'strict' not found. 0359 – 0401 0.45 miles (0.72 km) 50 yd (46 m) A barn was destroyed, a soybean field was damaged, and several trees were downed.[3][26][31]
EF1 SE of Malinta (1st tornado) Henry Lua error in package.lua at line 80: module 'strict' not found. 0402 – 0403 0.2 miles (320 m) 75 yd (69 m) A barn lost its roof and a house and a detached garage suffered significant damage. The damage to the house included being impacted by a beam from the barn. The top half of a pine tree was thrown 50 feet (15 m) as well.[3][26][32]
EF0 SE of Malinta (2nd tornado) Henry Lua error in package.lua at line 80: module 'strict' not found. 0403 – 0404 0.1 miles (160 m) 15 yd (14 m) Very small, brief tornado downed wheat crops in a field. This tornado occurred simultaneously with the following event.[3][26][33]
EF0 SE of Malinta (3rd tornado) Henry Lua error in package.lua at line 80: module 'strict' not found. 0403 – 0404 0.25 miles (400 m) 15 yd (14 m) Very small, brief tornado collapsed the doors and one wall of a pole barn and blew over corn crops. This tornado occurred simultaneously with the previous event.[3][26][34]
EF0 E of New Knoxville Auglaize Lua error in package.lua at line 80: module 'strict' not found. 0403 – 0406 2.3 miles (3.7 km) 50 yd (46 m) The north side of the administrative building at Neil Armstrong Airport suffered minor damage, sheet metal and tree limbs were deposited on the runway, and six houses and three barns were damaged, with one barn being nearly destroyed. A double-wide mobile home was picked up and tossed 100 feet (30 m) and numerous trees were downed as well.[3][28][35]
EF0 W of Custar Wood Lua error in package.lua at line 80: module 'strict' not found. 0425 – 0427 0.95 miles (1.53 km) 50 yd (46 m) Two homes and a garage suffered minor roof and door damage and several trees were downed, one of which was thrown 200 feet (61 m) to the northeast. Tornado was embedded in a larger area of straight-line winds.[3][36][37]
EF0 SW of Radnor Delaware Lua error in package.lua at line 80: module 'strict' not found. 0515 – 0516 0.2 miles (0.32 km) 50 yd (46 m) Brief tornado destroyed a barn and caused heavy damage to another, with debris being thrown and wrapped around trees along the Scioto River. Some of the cinder-blocks that made up the wall of one barn were moved as well. A small shed was thrown 50 feet (17 yd) and destroyed, corn stalks were thrown about 0.25 miles (0.40 km), and numerous trees were downed.[3][38][39]
† – Six tornadoes in Ohio took place shortly after midnight local time on June 13; however, they were associated with a squall line that developed on June 12.

June 13 event

List of reported tornadoes - Thursday, June 13, 2013
EF#
Location
County / Parish
Coord.
Time (UTC)
Path length
Max width
Summary
Virginia
EF0 WSW of Alsop to NE of Spotsylvania Courthouse Spotsylvania Lua error in package.lua at line 80: module 'strict' not found. 1826 – 1833 6.95 miles (11.18 km) 50 yd (46 m) Tornado downed trees intermittently to the west and north of Spotsylvania Courthouse.[40][41][42]
EF0 S of Thornburg Spotsylvania Lua error in package.lua at line 80: module 'strict' not found. 1835 – 1840 2.45 miles (3.94 km) 75 yd (69 m) A shed was destroyed, other sheds suffered roof damage, and a farmhouse sustained minor roof and siding damage along U.S. Highway 1. The tornado then damaged two billboards, crossed Interstate 95, overturned two 8,000 pounds (3,600 kg) RVs at a dealership, and pulled a garage door off of its hinges before dissipating.[40][41][43]
EF0 NE of Port Royal to E of Index King George Lua error in package.lua at line 80: module 'strict' not found. 1857 – 1906 7.15 miles (11.51 km) 50 yd (46 m) Intermittent tornado downed numerous trees, including three 20-to-30-inch (51 to 76 cm) in diameter Poplar trees.[40][41][44]
Tennessee
EF1 NW of New Market Jefferson Lua error in package.lua at line 80: module 'strict' not found. 1911 – 1914 2 miles (3.2 km) 120 yd (110 m) One home sustained roof damage and numerous trees were downed.[40][45][46]
EF1 ESE of Sevierville Sevier Lua error in package.lua at line 80: module 'strict' not found. 1955 – 1956 0.5 miles (0.80 km) 150 yd (140 m) A home lost part of its roof, an awning was removed from a porch, and many trees were downed.[40][47][48]
Maryland
EF0 N of Oakley to ENE of California St. Mary's Lua error in package.lua at line 80: module 'strict' not found. 1924 – 1942 13.8 miles (22.2 km) 200 yd (180 m) Weak, intermittent tornado downed many trees, a few of which fell onto other structures.[40][41][49]
EF0 W of North Potomac to Burtonsville Montgomery Lua error in package.lua at line 80: module 'strict' not found. 1938 – 1959 20.1 miles (32.3 km) 150 yd (140 m) Weak, but fast moving and long-tracked tornado downed many trees, several of which fell onto more than 14 homes and several vehicles. The forward speed of the tornado exceeded 60 mph (97 km/h).[40][41][50]
EF0 E of Broomes Island Calvert Lua error in package.lua at line 80: module 'strict' not found. 1942 – 1945 1.8 miles (2.9 km) 75 yd (69 m) Intermittent tornado downed several trees and damaged an outbuilding.[40][41][51]
North Carolina
EF1 W of Mount Sterling Haywood Lua error in package.lua at line 80: module 'strict' not found. 2010 – 2012 1.9 miles (3.1 km) 100 yd (91 m) Hundreds of trees were downed just south of Big Creek along the Deep Creek trail within the Great Smoky Mountains National Park (southwest of the Interstate 40 intersection with the NC/TN border and several miles north-northwest of Maggie Valley). The exact start point is unknown, as much of the path was inaccessible, but the park maintenance crew and a survey team from the University of North Carolina at Asheville determined that the tornado may have either touched down near the Tennessee state line or touched down in Tennessee and crossed the state line. A hiker was injured by a fallen tree and was airlifted to a hospital when he was discovered the next day. This was the first documented F/EF1+ tornado on the North Carolina side of the park.[40][52][53]
Georgia
EF1 Canton Cherokee Lua error in package.lua at line 80: module 'strict' not found. 2300 – 2325 8.5 miles (13.7 km) 75 yd (69 m) A Chevron gas station had a portion of its roof peeled back, a gas pump was blown over, and hundreds of trees were downed. Two people were injured.[40][54][55]
EF1 S of Woodstock Cherokee, Cobb, Fulton Lua error in package.lua at line 80: module 'strict' not found. 2330 – 2343 12.95 miles (20.84 km) 200 yd (180 m) Dozens of trees were downed, many of which fell onto homes. Roofs at apartment buildings were damaged and netting poles at a golf course driving range were damaged as well, with the netting being ripped off and tangled. The tornado crossed the Chattahoochee River near the Morgan Falls Dam.[40][54][56][57][58]

See also

References

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  1. ↑ 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ 9.0 9.1 http://www.crh.noaa.gov/images/iwx/Events/SPC_derecho2.png
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ 12.0 12.1 Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ 16.0 16.1 16.2 16.3 16.4 Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  20. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  21. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  22. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  23. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  24. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  26. ↑ 26.0 26.1 26.2 26.3 26.4 26.5 Lua error in package.lua at line 80: module 'strict' not found.
  27. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  28. ↑ 28.0 28.1 Lua error in package.lua at line 80: module 'strict' not found.
  29. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  30. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  31. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  32. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  33. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  34. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  35. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  36. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  37. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  38. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  39. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  40. ↑ 40.00 40.01 40.02 40.03 40.04 40.05 40.06 40.07 40.08 40.09 40.10 Lua error in package.lua at line 80: module 'strict' not found.
  41. ↑ 41.0 41.1 41.2 41.3 41.4 41.5 Lua error in package.lua at line 80: module 'strict' not found.
  42. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  43. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  44. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  45. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  47. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  48. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  49. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  51. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  52. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  53. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  54. ↑ 54.0 54.1 Lua error in package.lua at line 80: module 'strict' not found.
  55. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  56. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  57. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  58. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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