Somehow we have jumped from winter to summer within a week with crazy warmth present again on Wednesday. The featured map presents an analysis of the difference between the warmest hourly temperature between January 1 to April 11 and that of yesterday. This is based on hourly NCEP RTMA (Real-Time Mesoscale Analysis). Much of northern Iowa is shown in the five to nine degree range with higher values found over Wisconsin and Michigan. If you squint closely, you can see some 13+ degree pixels as well. This rapid warm up is trouble for the considerable snowpack that exists to the north of Iowa. Flooding concerns continue to increase.

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