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The derecho weakened considerably when the July 2011 Iowa-Illinois-Michigan-Ohio derecho sucked the instability and moisture from the storm over Lake Michigan. The derecho traveled more than 400 miles (640 km) and produced nine tornadoes in North Dakota and Western Minnesota. July 2011 Iowa-Illinois-Michigan-Ohio derecho: July 11, 2011 [32]
A shelf cloud along the leading edge of a derecho in Minnesota A damage caused by a derecho in Barga, Italy. A derecho (/ ˈ d ɛ r ə tʃ oʊ /, from Spanish: derecho [deˈɾetʃo], 'straight') [1] is a widespread, long-lived, straight-line wind storm that is associated with a fast-moving group of severe thunderstorms known as a mesoscale ...
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 progressive derecho tracked across a large section of the Midwestern United States and across the central Appalachians into the mid-Atlantic states on the afternoon and evening of ...
At least seven people were killed by the storms, dubbed the Houston derecho by the National Weather Service, [7] which brought winds up to 100 miles per hour (160 km/h) along with four tornadoes. [ 8 ] [ 9 ] [ 10 ]
The Late-May 1998 tornado outbreak and derecho was a historic tornado outbreak and derecho that began on the afternoon of May 30 and extended throughout May 31, 1998, across a large portion of the northern half of the United States and southern Ontario from southeastern Montana east and southeastward to the Atlantic Ocean.
The derecho that crossed into Ontario and Quebec was the result of a warm and very humid airmass that had plagued much of Central and Eastern Canada and the vast majority of the continental U.S. Temperatures in Toronto, Ottawa, Windsor and Montreal were approaching 35 °C (95 °F) for a few days including the day of the storms, while Heat Index ...
No thunderstorm in history has caused as much damage in dollar cost as the August Iowa derecho. The National Oceanic and Atmospheric Administration estimated damages from the storm complex to be ...
The Corn Belt derecho was a progressive derecho which affected a large area of the central United States on June 29, 1998. In the morning, thunderstorms , including a supercell , developed over South Dakota and tracked into central Iowa .