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Type | Cold front |
---|---|
Formed | late October 2020 |
Lowest temperature | −34 °C (−29 °F) in Potomac, Montana |
Maximum snowfall or ice accretion | 17.3 inches |
Fatalities | unknown |
Areas affected | United States, Western United States |
The October 2020 Arctic blast descended over the Western United States in late October, toppling records far and readings plummet to some 40 °F (22 °C) below average. [1] The cold front brought record breaking snowfall and temperature extremes for October in the contiguous United States. [2]
Virtually all of Western United States and Northern area was affected by the Arctic Blast. [3] Temperatures plummeted well below average across many cities. [4] Missoula set a record for its earliest zero-degree reading observed, hitting −7 °F (−22 °C) on 26th October, Missoula also logged its eighth-biggest snowstorm on record, with a hefty 13.8 inches (35 cm) falling in just two days. [5] The snow came sweeping down the Plains too, Wichita had accumulated 1.3 in (3.3 cm) of snow by Monday, the heaviest snow it has experienced so early in a season. Temperature across the states Montana, Colorado, Utah were 20 to 40 °F (11 to 22 °C) below average [6]