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Tornado outbreak sequence of August 4–8, 2023

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Tornado outbreak sequence of August 4–8, 2023
Low-end EF3 damage to a garage near Yuma, Colorado
Tornado outbreak
Tornadoes54
Maximum ratingEF3 tornado
DurationAugust 4–8, 2023
Highest winds150 mph (240 km/h)
(Yuma, Colorado EF3 on August 8)
Largest hail5.25 in (13.3 cm) near Kirk, Colorado on August 8
Overall effects
Fatalities2 non-tornadic
Injuries2
Damage$1.6 billion (2023 USD) [1]
Areas affectedGreat Plains, Midwestern, and Eastern United States
Power outages>1,100,000[2]

Part of the tornado outbreaks of 2023[3]

From August 4–8, 2023, several active days of severe weather impacted the United States, where numerous tornadoes struck the Eastern United States, the Plains, and the Midwest.[4] An EF3 tornado formed in Lewis County, New York, causing significant damage to homes, barns, a ski resort, and a motel.[4] Another EF3 tornado touched down near Yuma, Colorado, causing significant damage to several structures in Yuma County, and a second tornado formed afterwards.[4][5][6] In Baring, Missouri, a strong EF2 tornado struck the downtown area, damaging homes and injuring two people.[4] Another EF2 tornado touched down in both Sangamon and Christian counties in Illinois, resulting in extensive tree damage along its path. The third EF2 tornado of the outbreak struck western portions of Knoxville, Tennessee, damaging multiple buildings including an apartment complex. This severe weather outbreak left approximately 1 million residents without power and led to over 1,000 preliminary wind reports.[7] Additionally, heavy rainfall prompted a rare flash flood emergency in Cambridge, Maryland. Two non-tornadic fatalities (one in South Carolina and the other in Alabama) occurred as well.[8][9]

Meteorological synopsis

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A moist and unstable air mass and very strong winds aloft were present on August 7, with a shortwave trough progressing towards northern portions of Appalachia, and convective available potential energy in the 2500-3500 values yielded for severe thunderstorm development. Thermodynamic and kinematic energy in and east of central portions of the Appalachian Mountains also contributed to thunderstorm development.[10] A level 4/moderate risk for severe weather, along with a 10 percent tornado risk, a significant 45 percent wind risk, and a 15 percent hail risk was issued by the Storm Prediction Center on August 7,[10] including the Washington, D.C. metro area, the first moderate risk in decades for the DC area.[11] Several severe thunderstorms formed ahead of a cold front in eastern Ohio, eastern Kentucky and West Virginia and later congealed into a quasi-linear convective system while approaching Washington D.C., Philadelphia, and Charlotte, North Carolina, bringing widespread damaging winds.[10][12][13]

Confirmed tornadoes

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Confirmed tornadoes by Enhanced Fujita rating
EFU EF0 EF1 EF2 EF3 EF4 EF5 Total
16 15 17 4 2 0 0 54

August 4 event

[edit]
List of confirmed tornadoes – Friday, August 4, 2023[note 1]
EF# Location County / Parish State Start Coord. Time (UTC) Path length Max width
EF0 Millvile Ray MO 39°24′21″N 93°56′37″W / 39.4059°N 93.9435°W / 39.4059; -93.9435 (Millville (Aug 4, EF0)) 22:57–23:11 4.55 mi (7.32 km) 20 yd (18 m)
A weak tornado passed through Millville, causing roof damage to homes, including one that had its chimney knocked down. Outbuildings and trees were also damaged, and hay bales were tossed as well.[14]
EF0 E of Malta Bend Saline MO 39°11′50″N 93°21′10″W / 39.1972°N 93.3529°W / 39.1972; -93.3529 (Malta Bend (Aug 4, EF0)) 00:17–00:20 1.54 mi (2.48 km) 20 yd (18 m)
A high-end EF0 tornado moved eastward along US 65, damaging trees and power poles.[15]
EF2 Baring Knox MO 40°16′N 92°13′W / 40.26°N 92.22°W / 40.26; -92.22 (Baring (Aug 4, EF2)) 04:13–04:15 1.64 mi (2.64 km) 450 yd (410 m)
This damaging tornado touched down southeast of Baring, quickly becoming strong and striking a farmstead as it moved along an unusual northwestward path. A house on the property had its roof and some exterior walls removed, a machine shed and a large outbuilding were completely destroyed, and grain bins were thrown up to a half-mile away. Trees and power poles were snapped nearby before the tornado moved directly through Baring, where significant damage occurred. The local post office was destroyed with only a few walls left standing, a mobile home was completely destroyed, and a few other mobile homes were heavily damaged. A couple of one-story apartment buildings had partial to total roof loss, and frame homes in town sustained considerable roof, siding, and window damage. Sheds, garages, and outbuildings were damaged or destroyed, and many large trees were snapped or uprooted. A total of 7 businesses and 62 homes were damaged or destroyed in Baring before the tornado exited town and moved to the north-northwest. An outbuilding and some trees sustained minor damage before the tornado dissipated. Two people were injured.[4][16]

August 5 event

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List of confirmed tornadoes – Saturday, August 5, 2023[note 1]
EF# Location County / Parish State Start Coord. Time (UTC) Path length Max width
EF1 SW of Marcelline to NW of Mendon Adams IL 40°06′36″N 91°22′33″W / 40.1099°N 91.3759°W / 40.1099; -91.3759 (Marcelline (Aug 4, EF1)) 07:24–07:31 2.87 mi (4.62 km) 200 yd (180 m)
A low-end EF1 tornado inflicted heavy roof and siding damage to a home, while another house suffered a broken window. Multiple outbuildings were damaged or destroyed, crops and power poles were damaged, and many trees were snapped or uprooted.[17][4]
EFU ENE of Gleneagle to NW of Peyton El Paso CO 39°04′N 104°40′W / 39.07°N 104.67°W / 39.07; -104.67 (Gleneagle (Aug 5, EFU)) 19:40–19:44 2.16 mi (3.48 km) 10 yd (9.1 m)
A trained spotter observed a tornado. No damage occurred.[18]
EF0 NNW of Maurice Sioux IA 42°59′35″N 96°12′36″W / 42.993°N 96.21°W / 42.993; -96.21 (Maurice (Aug 5, EF0)) 19:30–19:33 0.92 mi (1.48 km) 30 yd (27 m)
A highly visible and slow-moving tornado damaged several hardwood trees.[19]
EFU SSW of Sioux Center Sioux IA 43°02′49″N 96°12′32″W / 43.047°N 96.209°W / 43.047; -96.209 (Sioux Center (Aug 5, EFU)) 19:42 0.05 mi (0.080 km) 10 yd (9.1 m)
A very brief tornado was photographed. No damage occurred.[20]
EF0 NE of Grand Tower Jackson IL 37°39′20″N 89°28′04″W / 37.6556°N 89.4677°W / 37.6556; -89.4677 (Grand Tower (Aug 5, EF0)) 22:15–22:16 0.5 mi (0.80 km) 25 yd (23 m)
A brief tornado occurred in a field. No damage was observed.[21]
EFU ENE of Willow Hill Jasper IL 39°01′N 87°58′W / 39.02°N 87.97°W / 39.02; -87.97 (Willow Hill (Aug 5, EFU)) 22:30–22:31 0.11 mi (0.18 km) 20 yd (18 m)
A brief tornado touched down in an open field, causing no damage.[22]
EFU E of Snyder Dodge NE 41°43′N 96°43′W / 41.71°N 96.71°W / 41.71; -96.71 (Snyder (Aug 5, EFU)) 00:53 0.1 mi (0.16 km) 25 yd (23 m)
A brief tornado caused no damage.[23]
EFU E of Arcadia Carroll IA 42°05′09″N 94°57′49″W / 42.0859°N 94.9636°W / 42.0859; -94.9636 (Arcadia (Aug 5, EFU)) 02:24–02:25 0.32 mi (0.51 km) 25 yd (23 m)
A brief tornado occurred, causing no damage.[24]
EF0 SSW of Auburn Sac IA 42°12′50″N 94°53′42″W / 42.2139°N 94.8951°W / 42.2139; -94.8951 (Auburn (Aug 5, EF0)) 02:29–02:31 0.9 mi (1.4 km) 35 yd (32 m)
An outbuilding was damaged by this brief tornado, with debris being thrown into a farm field.[25]
EFU SW of Auburn Sac IA 42°13′25″N 94°54′08″W / 42.2235°N 94.9021°W / 42.2235; -94.9021 (Auburn (Aug 5, EFU)) 02:30–02:31 0.32 mi (0.51 km) 50 yd (46 m)
High resolution satellite imagery revealed a tornado path through open agricultural fields. Only crop damage occurred.[26]

August 6 event

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List of confirmed tornadoes – Sunday, August 6, 2023[note 1]
EF# Location County / Parish State Start Coord. Time (UTC) Path length Max width
EF0 NE of Lima Beaverhead MT 44°40′37″N 112°24′40″W / 44.677°N 112.411°W / 44.677; -112.411 (Lima (Aug 6, EF0)) 20:12–20:19 1.64 mi (2.64 km) 40 yd (37 m)
A landspout tornado was caught on video near the Lima Reservoir. No damage occurred.[27]
EFU S of Boulder Jefferson MT 46°04′44″N 112°07′59″W / 46.079°N 112.133°W / 46.079; -112.133 (Boulder (Aug 6, EF0)) 21:11–21:17 3.66 mi (5.89 km) 70 yd (64 m)
A well-documented tornado occurred in the Whitetail Basin area. No structural damage occurred and most areas were inaccessible for surveying. This was the first ever recorded tornado in Jefferson County.[28]
EFU SE of Dallas City to E of La Harpe Hancock IL 40°34′39″N 91°05′24″W / 40.5776°N 91.0899°W / 40.5776; -91.0899 (Dallas City (Aug 6, EFU)) 22:40–23:15 8.01 mi (12.89 km) 20 yd (18 m)
An intermittent multiple-vortex tornado was caught on video as it moved through open fields. No damage was reported.[29]
EF2 N of Pawnee to N of Taylorville to NW of Assumption Sangamon, Christian IL 39°38′03″N 89°34′13″W / 39.6341°N 89.5702°W / 39.6341; -89.5702 (Pawnee (Aug 6, EF2)) 23:09–00:03 25.31 mi (40.73 km) 450 yd (410 m)
A strong, long-tracked tornado touched down in Sangamon County near Pawnee, downing some trees and inflicting minor roof damage to a home before it quickly crossed into Christian County, damaging a few farm buildings and grain bins near the county line. It then moved across Sangchris Lake and passed between Kincaid and Sharpsburg, snapping and uprooting numerous large trees and tearing roofing and siding from a few homes, one of which was shifted off its foundation and had an exterior wall pushed in. A couple of barns were damaged along this segment of the path as well. The tornado then passed north of Taylorville and reached peak intensity near Willeys, where about two-thirds of a one-story house was destroyed, two other homes had roof damage, and a metal outbuilding was heavily damaged. Father east, the tornado rolled and destroyed a camper, damaged the roof of another house, snapped additional trees, and flattened corn in farm fields before it dissipated. [30][31][4]
EF1 W of Haysville to SSW of Paoli Dubois, Orange IN 38°29′23″N 86°56′33″W / 38.4896°N 86.9426°W / 38.4896; -86.9426 (Haysville (Aug 6, EF1)) 04:24–04:53 25.9 mi (41.7 km) 200 yd (180 m)
This long-tracked, high-end EF1 tornado first damaged or destroyed a few outbuildings and tore fencing apart before it moved directly through Haysville. A business, some outbuildings, and a couple of homes in and around town suffered roof and gutter damage, and a greenhouse was destroyed. The tornado continued to the east of Haysville, unroofing a one-story house, inflicting minor damage to another house, and damaging or destroying multiple barns. It then struck Kellerville, damaging trees and a trailer before it passed near Dubois Crossroads, where at least 10 large poultry barns were heavily damaged or destroyed, killing numerous turkeys. Moving eastward, the tornado impacted Crystal, where homes, grain bins, and outbuildings were damaged. It then passed near Hillham, tossing and destroying a camper, damaging or destroying outbuildings and garages, and damaging several homes, one of which sustained destruction of its attached garage. As the tornado tracked south of French Lick, it rolled multiple vehicles, trailers, and mobile homes. A house and a cabin in this area had roof and siding damage, a metal carport and an outbuilding were destroyed, and some power lines were downed. Farther along the path, a few homes had significant roof and exterior damage, barns and outbuildings were damaged or destroyed, and debris was scattered across fields before the tornado dissipated near Paoli. Countless trees were snapped or uprooted along the path.[32][33][4]
EF1 Southern French Lick Orange IN 38°32′34″N 86°37′24″W / 38.5429°N 86.6233°W / 38.5429; -86.6233 (French Lick (Aug 6, EF1)) 04:45–04:46 0.98 mi (1.58 km) 40 yd (37 m)
A brief high-end EF1 tornado moved through the south side of French Lick, snapping or uprooting numerous large trees. Several houses sustained considerable roof and siding damage, and a sand storage barn had its roof torn off.[34][4]
EF1 Northern Paoli Orange IN 38°33′49″N 86°28′51″W / 38.5636°N 86.4807°W / 38.5636; -86.4807 (Paoli (Aug 6, EF1)) 04:53–04:55 1 mi (1.6 km) 110 yd (100 m)
This tornado moved through the north side of Paoli, where multiple warehouses and commercial buildings had their roofs blown off, with sheet metal scattered up to 200 yd (180 m) away. Trees were snapped or uprooted, a few of which landed on homes. One house sustained collapse of its porch, and many power poles were downed as well. This was the first of three tornadoes that occurred simultaneously in or around Paoli.[35][4]
EF0 SSE of Paoli Orange IN 38°32′04″N 86°27′35″W / 38.5345°N 86.4598°W / 38.5345; -86.4598 (Paoli (Aug 6, EF0)) 04:53–04:54 0.56 mi (0.90 km) 60 yd (55 m)
A brief high-end EF0 tornado crossed SR 37 south of Paoli and moved through Pioneer Mothers Memorial Forest, snapping or uprooting many trees. This was the second of three tornadoes that occurred simultaneously in or around Paoli.[36]
EF1 Paoli to W of Livonia Orange IN 38°33′28″N 86°29′11″W / 38.5577°N 86.4863°W / 38.5577; -86.4863 (Paoli (Aug 6, EF1)) 04:53–05:02 8.74 mi (14.07 km) 175 yd (160 m)
This tornado first caused minor roof damage at the Crestwood Manufacturing facility on the west side of Paoli before it moved directly through the downtown area, where considerable damage occurred. Businesses suffered roof damage and some buildings had their brick facades damaged or partially collapsed. A church sustained roof damage and broken windows, and the Orange County Courthouse had multiple large chimneys knocked over. Many trees, power poles, and signs were blown over as well, including a couple of trees that fell on houses. The tornado then exited Paoli and tracked eastward, downing more trees and power lines, peeling back the roof of an outbuilding, causing crop damage, and heavily damaging two large grain silos as it moved through areas in and around the rural communities of Stampers Creek and Mahan Crossing. A manufactured home, an outbuilding, and trees were damaged in Millersburg before the tornado dissipated. This was the third of three tornadoes that occurred simultaneously in or around Paoli.[37][4]

August 7 event

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List of confirmed tornadoes – Monday, August 7, 2023[note 1]
EF# Location County / Parish State Start Coord. Time (UTC) Path length Max width
EF1 Western Salem Washington IN 38°35′45″N 86°08′28″W / 38.5957°N 86.1412°W / 38.5957; -86.1412 (Salem (Aug 7, EF1)) 05:13–05:15 1.78 mi (2.86 km) 60 yd (55 m)
This tornado impacted the west edge of Salem, where a few businesses sustained roof, siding, and gutter damage, with debris scattered up to 150 yd (140 m) away. A metal garage structure at the Salem Speedway was also damaged, and trees and power poles were snapped as well.[38]
EF2 Western Knoxville Knox TN 35°55′51″N 84°09′29″W / 35.9308°N 84.158°W / 35.9308; -84.158 (Knoxville (Aug 7, EF2)) 18:17–18:23 3.7 mi (6.0 km) 200 yd (180 m)
A high-end EF2 tornado embedded within a larger area of straight-line damage moved through several subdivisions and an apartment complex in the western part of Knoxville. Multiple three-story apartment buildings were heavily damaged and sustained roof loss, a debris impact left a large hole in the side of the apartment complex office, and a large garage structure on the property was completely destroyed. Multiple homes had major roof damage, wooden boards were driven into the ground, and many large hardwood trees were snapped or uprooted as well.[39][4]
EF1 S of Erwin, TN to WNW of Green Mountain Yancey, Mitchell NC 36°02′10″N 82°24′07″W / 36.036°N 82.402°W / 36.036; -82.402 (Erwin (Aug 7, EF1)) 18:48–18:57 6.23 mi (10.03 km) 50 yd (46 m)
A rare high-altitude tornado moved through rugged mountainous terrain, uprooting multiple trees and snapping tree limbs. This was the first ever tornado recorded in Mitchell County and the third tornado ever recorded in Yancey County, being the first since June 6, 1977.[40]
EF1 NW of Louisa, KY to NE of Fort Gay, WV Lawrence (KY), Wayne (WV) KY, WV 38°07′59″N 82°40′42″W / 38.1331°N 82.6784°W / 38.1331; -82.6784 (Louisa (Aug 7, EF1)) 19:00–19:10 6.31 mi (10.15 km) 400 yd (370 m)
In Kentucky, this tornado destroyed a small utility building, overturned a construction trailer and two semi-trailers, and snapped or uprooted many trees. Some of the trees fell on homes, one of which sustained extensive damage to its attached garage. The tornado crossed the Big Sandy River into West Virginia, where a house had siding torn off and additional trees were downed before the tornado dissipated.[41][42][4]
EF1 SW of Claremont to Northern Mooresville to E of China Grove Catawba, Iredell, Rowan NC 35°42′N 81°10′W / 35.7°N 81.17°W / 35.7; -81.17 (Claremont (Aug 7, EF1)) 20:40–21:22 36.23 mi (58.31 km) 550 yd (500 m)
This weak but long-tracked tornado touched down near Claremont and moved southeastward, snapping many trees and tree branches. More trees were downed as the tornado crossed into Iredell County and struck the north side of Mooresville. The tornado crossed into Rowan County, where additional tree damage occurred and a mobile home had part of its roof torn off. It then moved through Landis, where buildings sustained minor damage and trees were toppled over onto homes. Some additional trees were uprooted to the east of China Grove before the tornado dissipated. [43][44][45][4]
EF1 Blackrock York PA 39°43′21″N 76°51′37″W / 39.7225°N 76.8603°W / 39.7225; -76.8603 (Blackrock (Aug 7, EF1)) 21:02–21:05 0.52 mi (0.84 km) 75 yd (69 m)
Trees and tree limbs were snapped throughout Blackrock, and damage to homes occurred as well. The roof of an outbuilding collapsed and another outbuilding was completely destroyed.[46][4]
EF0 Western Huntersville Mecklenburg NC 35°25′N 80°56′W / 35.41°N 80.93°W / 35.41; -80.93 (Huntersville (Aug 7, EF0)) 21:07–21:10 1.8 mi (2.9 km) 50 yd (46 m)
A weak tornado touched down just south of Lake Norman, uprooting some trees and inflicting minor exterior damage to a few homes as it moved through the western part of Huntersville.[47]
EF1 SSE of Dryden to SE of Blodgett Mills Tompkins, Cortland NY 42°26′37″N 76°16′08″W / 42.4437°N 76.2688°W / 42.4437; -76.2688 (Harford (Aug 7, EF1)) 21:13–21:36 11.11 mi (17.88 km) 200 yd (180 m)
This low-end EF1 tornado unroofed and partially collapsed outbuildings, snapped or uprooted dozens of trees, knocked over fences and a playground, and threw a raft into a tree. Some power lines were downed as well.[48][49][4]
EF1 E of Cross Roads York PA 39°49′05″N 76°33′14″W / 39.8181°N 76.554°W / 39.8181; -76.554 (Cross Roads (Aug 7, EF1)) 21:24–21:28 1.53 mi (2.46 km) 50 yd (46 m)
Corn was flattened in a farm field and dozens of trees were snapped.[50]
EFU WNW of Bird City Cheyenne KS 39°45′40″N 101°34′22″W / 39.7612°N 101.5728°W / 39.7612; -101.5728 (Bird City (Aug 7, EFU)) 21:35–21:36 0.24 mi (0.39 km) 75 yd (69 m)
A storm chaser documented a brief landspout tornado in a field. No damage occurred.[51]
EF0 Rawlinsville Lancaster PA 39°52′50″N 76°16′02″W / 39.8806°N 76.2673°W / 39.8806; -76.2673 (Rawlinsville (Aug 7, EF0)) 21:40–21:41 0.51 mi (0.82 km) 40 yd (37 m)
A narrow swath of corn was flattened and a tree was snapped. Several other trees had branches snapped off.[52][4]
EF1 ENE of Harmony, PA to SW of Deposit, NY Susquehanna (PA), Broome (NY) PA, NY 41°58′46″N 75°30′06″W / 41.9795°N 75.5018°W / 41.9795; -75.5018 (Harmony TWP (Aug 7, EF1)) 22:25–22:35 3.37 mi (5.42 km) 200 yd (180 m)
Multiple trees were snapped or uprooted in Pennsylvania before the tornado crossed into New York. There, the a house has roof shingles torn off and windows blown out, a shed was moved about 100 ft (30 m), and a couple of small boats were lofted from a pond.[53][54]
EF0 SSE of Munnsville Madison NY 42°56′N 75°35′W / 42.94°N 75.58°W / 42.94; -75.58 (Munnsville (Aug 7, EF0)) 22:55–22:59 1.47 mi (2.37 km) 175 yd (160 m)
A weak tornado snapped numerous tree limbs, damaged outbuildings, sheds, and garages, and knocked over a street sign.[55][4]
EF1 NE of Vernon Center Oneida NY 43°03′22″N 75°27′53″W / 43.0562°N 75.4648°W / 43.0562; -75.4648 (Vernon Center (Aug 7, EF1)) 23:10–23:15 1.31 mi (2.11 km) 200 yd (180 m)
Many trees were snapped or uprooted and an outbuilding was damaged.[56][4]
EF1 NNE of Taberg Oneida NY 43°20′N 75°35′W / 43.33°N 75.59°W / 43.33; -75.59 (Taberg (Aug 7, EF1)) 23:17–23:20 1.38 mi (2.22 km) 110 yd (100 m)
A high-end EF1 tornado snapped numerous trees and damaged the roof of a mobile home.[57]
EF1 Northeastern Allentown to Northwestern Bethlehem Lehigh PA 40°37′48″N 75°25′29″W / 40.63°N 75.4246°W / 40.63; -75.4246 (Allentown (Aug 7, EF1)) 23:21–23:23 0.3 mi (0.48 km) 160 yd (150 m)
A brief tornado touched down in the northeastern part of Allentown and impacted the Midway Manor neighborhood, where multiple homes sustained roof and siding damage, and one house had its porch awning ripped off and thrown 100 ft (30 m). A church also suffered roof damage, along with a nearby shed. Another shed was blown 50 ft (15 m) off its foundation elsewhere. A swing set and some fencing was knocked over, and patio furniture was tossed. The tornado entered the northwestern edge of Bethlehem and caused some additional tree damage before it dissipated [58][4]
EFU ENE of Redfield Lewis NY 43°32′N 75°42′W / 43.54°N 75.7°W / 43.54; -75.7 (Redfield (Aug 7, EFU)) 23:27–23:30 0.85 mi (1.37 km) 100 yd (91 m)
Sentinel-2 satellite imagery located a path of tornado damage in a heavily wooded area. No ground survey was conducted because of limited access to the area.[59]
EF0 NE of Kintnersville, PA Hunterdon NJ 40°34′N 75°10′W / 40.57°N 75.16°W / 40.57; -75.16 (Kintnersville (Aug 7, EF0)) 23:37–23:38 0.52 mi (0.84 km) 150 yd (140 m)
Two farm outbuildings and some trees were damaged.[60]
EF3 W of West Leyden to Turin Lewis NY 43°28′N 75°31′W / 43.46°N 75.51°W / 43.46; -75.51 (Lewis (Aug 7, EF3)) 23:42–00:14 16 mi (26 km) 700 yd (640 m)
At the beginning of the damage path near West Leyden, this strong tornado ripped the roof off of a house and inflicted significant damage to its second-floor exterior walls. Two other homes in this area were also heavily damaged and had their roofs uplifted, and a large garage structure had exterior walls blown out. Numerous large trees were snapped, uprooted, and defoliated in wooded areas, a barn was completely destroyed, and another barn was significantly damaged. The tornado then weakened and tracked through remote swampy terrain with less continuous tree damage, although surveyors had difficulty reaching this area due to a lack of road access. Towards the end of its track in Turin, the tornado intensified again as it struck the Snow Ridge Ski Resort, where all of the chair lift metal cables failed, some large chair lift support structures were toppled over or damaged, and many more trees were snapped and defoliated. Major structural damage occurred at the West Wind Motel, where several buildings had their roofs ripped off or collapsed, and also had some interior walls knocked down. A multi-story building was also shifted off its foundation and was completely unroofed. The tornado then abruptly lifted and dissipated after striking the motel. For part of its path, the tornado had no tornado warning.[61][4]

August 8 event

[edit]
List of confirmed tornadoes – Tuesday, August 8, 2023[note 1]
EF# Location County / Parish State Start Coord. Time (UTC) Path length Max width
EF1 Northern Mattapoisett Plymouth MA 41°40′51″N 70°50′52″W / 41.6808°N 70.8477°W / 41.6808; -70.8477 (Mattapoisett (Aug. 8, EF1)) 15:20–15:23 0.9 mi (1.4 km) 300 yd (270 m)
Numerous trees were snapped and uprooted along the northern outskirts of Mattapoisett.[62]
EF0 Southwestern Barnstable Barnstable MA 41°40′30″N 70°23′30″W / 41.6751°N 70.3917°W / 41.6751; -70.3917 (Barnstable (Aug. 8, EF0)) 15:52–15:56 1.2 mi (1.9 km) 650 yd (590 m)
A tornado uprooted a tree, snapped tree limbs, damaged fences, and downed an electrical pole on the southwest side of Barnstable.[63]
EF0 WSW of Tuba City Coconino AZ 36°01′N 111°23′W / 36.02°N 111.39°W / 36.02; -111.39 (Tuba City (Aug. 8, EF0)) 19:50–20:00 4.99 mi (8.03 km) 10 yd (9.1 m)
A landspout tornado caught on video as it lofted dust in an unpopulated area. No damage occurred.[64]
EF3 E of Otis SW of Yuma Washington, Yuma CO 40°08′44″N 102°54′51″W / 40.1455°N 102.9141°W / 40.1455; -102.9141 (Yuma (Aug. 8, EF3)) 22:39–23:25 15.65 mi (25.19 km) 212 yd (194 m)
This strong stovepipe tornado looped over its path multiple times and was well-documented by multiple storm chasers. At the beginning of the path in Washington County, the tornado damaged a detached garage and shifted it off its foundation. A metal shack had tin roofing removed, a tin storage container was flipped, power poles and crops were damaged, and trees were snapped. After crossing into Yuma County and overturning some irrigation pivots, the tornado strengthened and significantly damaged a well-built home, which sustained total destruction of its three-car attached garage, suffered partial roof loss, had doors blown in, and also sustained broken windows. A barn was heavily damaged nearby, and multiple wooden power poles and trees were snapped. The tornado then struck a farm property, where a large and well-built anchored metal outbuilding was completely destroyed and swept off its foundation, leaving behind only a bare concrete slab and a pile of mangled metal beams. A 5,000-pound engine stored inside the building was thrown and never recovered, metal debris was strewn across a nearby field, and farm machinery was damaged. Two metal grain bins were completely swept away nearby, and were ripped away with such force that their round concrete foundation pads were cracked and rebar was bent. The tornado snapped several large and very sturdy laminated power poles before dissipating just southwest of Yuma.[65][66] Coupled with the EF3 tornado that occurred in Prowers County on June 23, 2023, this event marked the first time that two F3/EF3+ tornadoes touched down in Colorado in the same year since 1993.[67]
EFU N of Broadwater Morrill NE 41°42′N 102°50′W / 41.7°N 102.84°W / 41.7; -102.84 (Broadwater (Aug. 8, EFU)) 22:50 0.05 mi (0.080 km) 25 yd (23 m)
A brief tornado was caught on video. No damage occurred[68]
EFU SE of Yuma Yuma CO 40°03′37″N 102°38′33″W / 40.0603°N 102.6425°W / 40.0603; -102.6425 (Yuma (Aug. 8, EFU)) 23:30–23:46 5.28 mi (8.50 km) 200 yd (180 m)
A multiple-vortex tornado was observed moving across open land. No damage was reported.[69]
EF0 S of Yuma Yuma CO 39°54′16″N 102°42′58″W / 39.9045°N 102.716°W / 39.9045; -102.716 (Yuma (Aug. 8, EF0)) 00:04–00:08 1.67 mi (2.69 km) 193 yd (176 m)
Storm chasers observed a tornado that did damage to corn.[70]
EFU NE of Cope Yuma CO 39°51′19″N 102°41′20″W / 39.8553°N 102.6889°W / 39.8553; -102.6889 (Cope (Aug. 8, EFU)) 00:19–00:22 1 mi (1.6 km) 150 yd (140 m)
Multiple chasers observed a brief rope tornado that remained over an open field and caused no damage.[71]
EFU NE of Cope Yuma CO 39°48′46″N 102°39′31″W / 39.8129°N 102.6587°W / 39.8129; -102.6587 (Cope (Aug. 8, EFU)) 00:23–00:32 0.93 mi (1.50 km) 75 yd (69 m)
This tornado remained over open fields, causing no damage.[72]
EFU W of Idalia Yuma CO 39°41′19″N 102°30′36″W / 39.6886°N 102.5101°W / 39.6886; -102.5101 (Idalia (Aug. 8, EFU)) 01:00–01:14 0.45 mi (0.72 km) 150 yd (140 m)
An intermittent tornado remained over an open field, causing no damage.[73]
EF2 SW of Idalia Yuma, Kit Carson CO 39°36′50″N 102°23′44″W / 39.6139°N 102.3955°W / 39.6139; -102.3955 (Idalia (Aug. 8, EF2)) 01:25–01:47 5.29 mi (8.51 km) 150 yd (140 m)
A strong tornado snapped nine wooden power poles and damaged an irrigation pivot.[74][75]
EFU SSE of Kanorado Sherman KS 39°17′59″N 102°01′22″W / 39.2998°N 102.0227°W / 39.2998; -102.0227 (Kanorado (Aug. 8, EFU)) 03:17–03:24 1.3 mi (2.1 km) 75 yd (69 m)
Dead tree limbs were snapped and swirl marks were left in the grass on an abandoned property.[3]

Non-tornadic impacts

[edit]
Satellite image of the severe weather system responsible for the tornado outbreak sequence that occurred on August 4–8, 2023.

Over 1,000 preliminary wind reports were recorded as severe

A Major League Baseball game between the Washington Nationals and the Philadelphia Phillies at Nationals Park was postponed on August 7 due to the inclement weather.[76] The baseball game between the New York Mets and Chicago Cubs saw a 2-hour and 9 minute delay due to the rain at Citi Field.[77] A Carly Rae Jepsen concert at The Rooftop at Pier 17 in New York City was cancelled due to a lightning storm.[78] A 2023 Leagues Cup match between the Philadelphia Union and New York Red Bulls was postponed by a day.[79] Several state governors, including Maryland governor Wes Moore, New York governor Kathy Hochul, and West Virginia governor Jim Justice urged people to stay alert, and to be prepared.[80] Hochul's administration and local officials in New York were on stand-by for clean-up and response efforts, while Justice declared a State of Preparedness for all counties in West Virginia.[80][81] Schools in Tennessee and Georgia were closed.[82][83][84] Tornado watches and warnings were posted across ten states from Tennessee to New York, covering 29.5 million people.[85] U.S. government offices in Washington, D.C. were closed early in anticipation of severe weather.[86] Joe Biden's trip to the western United States was delayed 90 minutes.[85]

A rare flash flood emergency was issued for Cambridge, Maryland, where flood damage and water rescues occurred as 4 inches (100 mm) of rain fell in two hours.[87][88] Power lines fell in Westminster, Maryland, including on MD 140, trapping more than forty people in their cars after live power lines fell behind and in front of vehicles.[89][90] Montgomery Parks closed Sligo Creek Parkway and a road because of the threat for flooding, and damaging winds, causing trees to fall. A U.S. District Court sentencing was postponed due to severe weather, and tolls on I-66 reached nearly thirty dollars.[12] Extra trains were operated by the Washington Metro to assist in people to get to their residences, and the Emergency Operations Center was activated.[12][91] Train stations also operated an extra hour because Beyoncé's tour paid $100,000 to do so for fans to arrive at FedExField in Landover, Maryland, and to help people get home.[92] FedexField was also under a "shelter in place" order due to the imminent severe weather threat, and it was lifted nearly two hours later.[93][94] Despite the severe weather, a Pink concert was allowed to proceed, but inclement weather forced fans at Nationals Park to remain at the concourse.[12]

Fallen trees trapped hikers and campers at Fall Creek Falls State Park, and forced the park to close.[95] Damage occurred in eastern Kentucky and western North Carolina.[96] Flooding occurred in numerous towns in Massachusetts, including North Andover, Lowell, and Needham.[97] The Knoxville Utilities Board in Knoxville, Tennessee, stated that the damage across eastern Tennessee was "widespread and extensive".[98]

On August 8, additional flash flooding resulted in the Maine Turnpike reducing their speed limit to below 45 miles per hour (72 km/h) south of Falmouth.[99] In Syracuse, New York, record rain of 2.45 in (62 mm) poured down, which resulted in lengthy closures on I-81 and I-690 throughout the day on August 8.[100] More than nine airports issued ground stops, including LaGuardia Airport, Ronald Reagan Washington National Airport, Hartsfield–Jackson Atlanta International Airport, and Baltimore/Washington International Airport.[101] More than 1,700 flights were cancelled and nearly 9,000 were delayed across eastern United States airports impacted by severe weather.[102][103] At least one million power outages occurred across the eastern United States, and two people were killed.[104][105]

On August 8, the storms in Colorado produced a 5.25 in (13.3 cm) hailstone in Kirk that became the largest hailstone in state history in terms of diameter.[106]

The American Red Cross were prepared to respond if conditions were necessary.[107]

See also

[edit]

Notes

[edit]
  1. ^ a b c d e All dates are based on the local time zone where the tornado touched down; however, all times are in Coordinated Universal Time for consistency.

References

[edit]
  1. ^ National Centers for Environmental Information; National Oceanic and Atmospheric Administration (September 11, 2023). "U.S. Billion-Dollar Weather and Climate Disasters 1980-2023" (PDF). NOAA NCEI Billion-Dollar Weather and Climate Disasters. United States Department of Commerce. p. 1. Archived (PDF) from the original on September 11, 2023. Retrieved September 11, 2023.
  2. ^ 2 dead, thousands of flight cancellations, 1.1 million lose power in eastern US storms, TulsaWorld, August 7, 2023
  3. ^ a b National Weather Service in Goodland, Kansas (2023). KansasEvent Report: EFU Tornado (Report). National Centers for Environmental Information. Retrieved November 22, 2023.
  4. ^ a b c d e f g h i j k l m n o p q r s t u "DAT". apps.dat.noaa.gov. Retrieved July 13, 2023.
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