Saturday Mar 1
KELO-TV Sioux Falls
Reasons Why This Winter Is So Cold
Average temperatures for February have been around ten degrees below normal. This is due to a particularly strong yearly cycle known as the North Atlantic Oscillation.
The Influence of Surface Forcings on Prediction of the North Atlantic ...
Mon. Wea. Rev. , Vol. 141, No. 11. , pp. 3801-3813, doi:10.1175/mwr-d-13-00033.1 Abstract December 2010 was unusual both in the strength of the negative North Atlantic Oscillation intense atmospheric blocking and the associated record-breaking low temperatures over much of northern Europe.