Ask a Climatologist: Calculating wind chill, then and now

The National Weather Service wind chill formula changed in 2001, altering record breaking wind chills from the 1989 cold snap. (Graphic: Brian Brettschneider)The wind chill dropped to -77 in Arctic Village last week. That’s the coldest wind chill recorded this winter in a populated spot in Alaska. 77 below may sound bitterly cold, but climatologist Brian Brettschneider said its not even close to record territory.
“The record in Alaska, and for any populated place is -100 and tha