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Extreme Cold/Wind Chill in Southwest Big Horn Basin, Wyoming
Extreme Cold/Wind Chill October 28, 2019 – October 30, 2019 · Southwest Big Horn Basin, Wyoming
What the National Weather Service wrote
Temperatures around Hot Springs county, Wyoming dropped as low as 10 below zero.
The wider storm
An arctic front dropped southward across Wyoming and brought in an unusually cold air mass. The result was many records were broken. The locations that saw monthly record low temperatures broken included Casper, Riverton and Lander, Wyoming. The coldest temperatures occurred in the morning of October 30th. The most impressive was at Big Piney, Wyoming, where a combination of a clear sky, fresh snow cover and light winds resulted in a low of minus 26, which broke the record by 29 degrees. Note: All low temperatures in events occurred in the morning of October 30th.
Source: NOAA Storm Events Database, event 860208. Narratives are written by the National Weather Service forecast office that issued the report.
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