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A shelf cloud along the leading edge of a derecho in Minnesota 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 ...
First Named Derecho: July 31, 1877: The severe windstorm crossing Iowa that Prof. Gustavus Hinrichs identified as something special, and named the "derecho" for its straight (rather than spiraling) winds. [1] 1965 Chicago Derecho: August 26–27, 1965 [2] Ohio Fireworks Derecho: July 4, 1969 [3] 1977 Southern – Mid-Atlantic derecho: June 6 ...
A derecho is a widespread thunderstorm complex, but its severity, distance and duration make this weather phenomenon stand out from the more typical spring and summer storms. The term "derecho" is ...
As the derecho moved through Ohio, a second storm developed in Iowa and tracked into northern Illinois. The earlier derecho had used up most of the convective energy in the atmosphere, so this second storm did not become another derecho. Nonetheless, a small MCS with a bow echo developed and became severe as it moved along this track.
A derecho is a long-lived complex of thunderstorms that produces widespread wind gusts over 58 mph over an area at least 400 miles long. The Midwest is one of the areas of the United States where ...
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 ]
A warm weather phenomenon, derechos occur mostly in summer, especially June and July in the Northern Hemisphere. They can occur at any time of the year and occur as frequently at night as in the daylight hours. — Preceding unsigned comment added by JKshaw (talk • contribs) 04:03, 3 July 2012 (UTC)
Downbursts can occur over large areas. In the extreme case, a series of continuing downbursts results in a derecho , which covers huge areas of more than 320 km (200 mi) wide and over 1,600 km (1,000 mi) long, persisting for 12 hours or more, and which is associated with some of the most intense straight-line winds.