Extreme Cold/Wind Chill in Johnson, Iowa
Extreme Cold/Wind Chill January 29, 2019 – January 31, 2019 · Johnson, Iowa
What the National Weather Service wrote
Low temperatures at the Iowa City Airport ASOS on the 30th and 31st were -26 and -29 Fahrenheit. The coldest wind chill during this period were -51 at 411 AM.
The wider storm
A strong arctic high pressure system brought historic cold to much of the Midwest January 29th through January 31st. Numerous low temperature records were broken, including all-time record lows at Cedar Rapids Moline. In addition, life threatening wind chills were reported with values below -30 degrees for many hours. Numerous schools, churches, and businesses closed during the arctic outbreak.
Source: NOAA Storm Events Database, event 804852. Narratives are written by the National Weather Service forecast office that issued the report.
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