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NOAA satellite imagery of the derecho passing over the Midwest. An intense derecho affected much of the Midwestern United States on August 10–11, 2020, primarily eastern Nebraska, Iowa, Illinois, Wisconsin, and Indiana. It caused high winds and spawned an outbreak of weak tornadoes. Some areas reported torrential rain and large hail. [2] [7] [1]
The August 2020 Midwest Derecho delivered a maximum measured wind speed of 56 m/s (109 kn), with damage-estimated speeds as high as 63 m/s (120 kn) in the Cedar Rapids, Iowa area. [27] The storm was referred to as one of the largest "land-based hurricanes" in recorded history spawning 17 confirmed tornadoes across Wisconsin, Illinois, and Indiana.
August 10–11, 2020 aka "Heartland Derecho", A severe weather event which took place from August 10–11, 2020 across the Midwestern United States and portions of southwestern Ontario . The derecho caused notably high wind speeds of up to 126 mph (203 km/h) recorded in Iowa , with post-damage assessments of up to 140 mph (230 km/h) in some places.
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 ...
The straight-line wind storm, which produced severe wind damage across portions of eight Midwestern states on Aug. 10, 2020, is considered the most costly thunderstorm in U.S. history.
A derecho is a significant, potentially destructive weather event that is characterized as having widespread, long-lived, straight-line winds associated with a fast-moving group of severe ...
June 2020 had an average global surface land and water temperature of 61.56 °F (16.42 °C), which was 1.66°F (0.92°C) above the 20th century average. [10] July 2020 had an average global surface land and water temperature of 62.06 °F (16.70 °C), tying 2016 for the second warmest July on record, and just shy of June 2019's record warmth.
Multiple tornadoes and thunderstorms that struck the Great Plains and upper Midwest on Dec. 15 were the result of a rare event called a derecho, according to the National Weather Service’s Storm ...