19 February 2015
More cold air is coming to the Midwest and East next week as well, with long-range numerical guidance indicating temps. will stay WELL below normal for most of next week.
The intense cold over the north, contrasted with the warmth in the tropics has produced a jet stream with winds approaching 180 mph around 6 kilometers above the surface (`30,000 feet).
It may surprise you to learn though that for the U.S. as a whole, this has been a very warm winter. So far, it’s the 6th warmest on record! See the info below from the NOAA Nat. Climate Data Center.
Temp. anomalies for the year to date (from Weatherbell).