The Weather Prediction Center (WPC) issues a daily national high and low temperature product that contains their analyzed coldest and warmest temperature over the contiguous US (meaning sans Alaska, Hawaii, island territories). Three Iowa sites made this listing yesterday for the coldest temperature. The featured table presents an IEM analysis of when Iowa sites made this national listing. All of the entries are for coldest temperature over the archive period as no max temperature events were found. The reason Iowa was the coldest had to do with the combination of a fresh/fluffy snowfall, a surface high pressure system in the vicinity, and a warming western US with major pattern shift underway.

Voting:
Good = 5
Bad = 0

Tags:   wpc