So far this January, we have avoided the very cold temperatures. The forecast calls for that to change this weekend and combined with brisk winds, dangerous wind chills are expected. The featured chart presents the frequency of having 5+ mph winds at a given temperature in January for Des Moines. It is interesting to note the increase in frequency with warm and very cold temperatures. It takes strong winds to support these temperatures as the winds advect cold or warmer air into the state.

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Tags:   jan