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As the derecho failed to weaken over the mountains, the moderate risk was expanded eastward by the SPC at 9:00 p.m. EDT (0100 UTC) into the mid-Atlantic region. [10] At 10:10 p.m., the SPC issued the final severe thunderstorm watch for the derecho for all of Delaware , the remainder of Maryland, the remainder of eastern Virginia, southern New ...
The system was unique as surface dewpoints across the impacted region were in the 40s and low 50s, much lower than the typical high 60s and low 70s dewpoints seen during derecho events in the eastern US. [10] Heat wave of 1995 derecho series: July 11–15, 1995: 4 derechos occurred over 4 consecutive nights.
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 ...
An intense derecho -- a rapidly-moving thunderstorm complex that produces widespread wind damage -- cut power to nearly 1 million households and caused 11 deaths in the Canadian provinces of ...
The National Weather Service confirmed at least 21 tornadoes impacted four states in the central US on December 15, during an unprecedented storm that brought weather warnings to some 100 million ...
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 ...
[9] [10] Thirty-nine tornadoes, including two of EF3 strength on the Enhanced Fujita Scale, were reported in addition to high non-tornadic winds associated with the derecho and MCV. [10] Due to the abnormal shape of the storm on radar and the extremely strong winds, many called this an "inland hurricane."
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 ...