IEM Daily Feature
Friday, 24 February 2017

70 then Blizzard Warning

Posted: 24 Feb 2017 05:32 AM

It was a bit surreal to have record warm temperatures on Wednesday and be under a blizzard watch and now a blizzard warning for Thursday evening over portions of Iowa. A few locations reached 70 degrees on Wednesday and were under a blizzard warning just over a day later. The featured chart looks at the distribution of daily high temperatures around the issuance of a blizzard warning for Iowa counties over the past 10 years. Needless to say, the combination experienced this week is outside of the norm! The boxes shown display the inter-quartile range (IQR) and whiskers are at the 1.5 IQR value. It is kind of interesting to see the variability get knocked down immediately

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