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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.
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 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 ...
The June 2020 derecho was the first to impact the Pennsylvania–New Jersey region since June 2012, when a storm moved east from Iowa into southern Pennsylvania. [21] Four fatalities were associated with the derecho, making it the deadliest such storm in the region since 1950. [ 6 ]
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 ...
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.
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 ]