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Sunday, December 11, 2016

15 Day Weather Forecast: Reversal from Cold to Warm

Today's 12Z GFS Model continues the warming trend in the 15 day outlook since close of market on Friday, with net HDD anomaly now showing negative for the period.  All the warmth is in the final 15 day period:






However, normal HDD counts are still rising steadily, and reach 31 by the end of the 15 day period on December 25th, so things will still  be cold, and colder than last year.