The pattern change process continues across North America. We continue to see large wholesale changes in the overall pattern. THIS DOES NOT MEAN COLD AND SNOWSTORMS ARE IMMINENT OR EVEN PROBABLE. It does mean that we are likely to see lots of volatility in the weather pattern as well as in weather model runs going forward.
Today's run of teleconnections indices show that the North Atlantic Oscillation or NAO will remain negative right through the next 2 weeks. There is a sharp change forecast in the East Pacific Oscillation beginning later next week. If this holds it will favor a colder flow across Canada as we head into December. What we don't know is how this plays out from the stand point of storm development. The overall pattern has certainly gotten more active and I believe that this will continue to be the case. However models appear to be in flux regarding where the trough positions set up and what that means in terms of storm development and storm tracks....READ MORE AT http://www.meteorologistjoecioffi.com/index.php/2016/11/22/weather-models-dynamic-pattern-ahead/