1996: A strong low pressure system moved across northeastern Iowa and into southeastern Minnesota and Wisconsin, pulling behind it a very sharp cold front with temperatures falling rapidly across the area during the afternoon and evening. At Guttenberg the temperature rose to 54 F in the morning then plunged to 2 F by midnight, while at New Hampton the temperature fell from 52 F to -1 F during the same time frame. The temperature drop was most marked at Oelwein, falling from 50 F to -9 F resulting in a 59 degree change in less than 24 hours. Snow fell behind the low pressure system during the evening and nighttime hours with storm totals including 7.0 inches at New Hampton and 6.0 inches at Postville. Strong winds blew the snow into deep drifts and reduced visibility to near zero at times.
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This post was written by Schnack on January 18, 2013