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The derecho over Indiana on June 29. Composite radar image as the storm moved from Indiana to Virginia. The June 2012 Mid-Atlantic and Midwest derecho was one of the deadliest and most destructive fast-moving severe thunderstorm complexes in North American history.
The derecho traveled more than 500 miles (800 km) before moving off the coast of Texas and Louisiana into the Gulf of Mexico and produced winds up to 78 mph (126 km/h) with hail up to 3.75 inches (9.5 cm) in diameter and a few tornadoes including a short-lived EF2 tornado north of Hochatown, Oklahoma that tossed two barges over 100 yd (91 m), a ...
Derecho comes from the Spanish adjective for "straight" (or "direct"), in contrast with a tornado which is a "twisted" wind. [5] The word was first used in the American Meteorological Journal in 1888 by Gustavus Detlef Hinrichs in a paper describing the phenomenon and based on a significant derecho event that crossed Iowa on 31 July 1877. [6]
The May 2022 Canadian derecho was a high-impact derecho [5] event that affected the Quebec City-Windsor Corridor, Canada's most densely populated region, on May 21, 2022.. Described by meteorologists as a historic derecho and one of the most impactful thunderstorms in Canadian history, [6] [7] winds up to 190 km/h (120 mph) as well as around four tornadoes caused widespread and extensive ...
On December 15, 2021, a rapidly-deepening low-pressure area contributed to a historic expanse of inclement weather across the Great Plains and Midwestern United States, resulting in an unprecedented [5] December derecho and tornado outbreak across portions of the Northern United States, a region normally affected by snow and cold weather during this time of year.
SPC's Day 1 convective outlook for May 16, 2024, issued at 2000Z, indicating an enhanced risk for severe weather from southeast Texas into southwest Louisiana.. On May 14, the Storm Prediction Center (SPC) outlined a level 2/Slight risk for severe weather across portions of central and northern Texas. [11]
A home was flattened, two double-wide mobile homes were obliterated, and trees were snapped. Immediately after leaving the town, the tornado abruptly dissipated north of Mortons Gap just before crossing I-69 at 9:15 PM (02:15 UTC). The parent supercell was rapidly absorbed by a squall line at that time, which caused the tornadic circulation to ...
Map of tornado warnings and confirmed tornadoes from the derecho. In the leadup to the derecho, temperatures were very warm. Sioux Falls, South Dakota saw a high of 94 °F (34 °C). Temperatures in the 90s helped fuel the severe weather that later erupted over the Great Plains. [5]