Fall 2020 brought higher than normal temperatures and a range of precipitation conditions.
MARISA Mid-Atlantic Regional Climate Impacts Summary and Outlook: Fall 2020
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Fall 2020 brought higher than normal temperatures, a wide range of precipitation patterns, and damaging conditions from Hurricane Isaias and Tropical Storm Fay.
Read more, and use an interactive tool to explore the path of hurricanes reaching Mid-Atlantic states from 1980 to 2020 in the latest MARISA Seasonal Climate Impacts Summary and Outlook.
Highlights
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This fall saw a wide range of precipitation conditions; the northern portions of the Chesapeake Bay watershed had an abnormally dry season, while the southern and eastern portions of the watershed experienced above normal precipitation. -
The majority of the Mid-Atlantic region experienced higher than normal temperatures, particularly due to a warmer than average November.
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This fall ranked among the five warmest on record for Scranton, Pennsylvania; Dulles Airport and Norfolk, Virginia; and Salisbury, Maryland.
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Post-tropical cyclone Sally, Tropical Storm Eta and Tropical Storm Zeta interacted with frontal systems to produce heavy rainfall in portions of the Mid-Atlantic this fall.
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Hurricane Isaias and Tropical Storm Fay were the most damaging storms to reach the Mid-Atlantic region in the 2020 hurricane season.
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In the Mid-Atlantic, the years from 2000–2020 saw nearly twice as many hurricanes as the preceding two decades—1980–2000.
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