**SEE JAMES’ UPDATED SNOW FORECASTS BELOW THIS POST** **WINTER STORM WARNINGS WILL BE ISSUED BY NWS TODAY, LIKELY INCLUDING BIRMINGHAM** The 12 UTC NAM and GFS models are already in through Friday evening, and show a secondary upper-level disturbance forming … Continue reading →

As James points out below, it looks like the largest snowfall will be in south-central Alabama, in places like Montgomery, Opp, Troy, and Jackson. Surface lows tend to follow temperature gradients, and with there having been so much cold air … Continue reading →

Models are now diverging with the storm only 3 days away! The Canadian GEM keeps the Gulf low close enough to the coast to spread heavy snow into parts of central Alabama on Friday, the European is a little farther … Continue reading →

A quick update on the potential central and south Alabama snowstorm on Friday (even though the snow this morning in north Alabama was almost totally unexpected by anyone in meteorology!). Models continue to show low forming in Gulf on Thursday … Continue reading →

Canadian I started this blog thread Saturday afternoon, looking at the possibiity of a snowstorm in Alabama Friday. The latest major models (GFS, European, Canadian) all indicate that a Gulf low will form, bringing precipitation to Alabama on Friday. They … Continue reading →

More details later…but the GFS and now the European and Canadian models are all showing snow for north Alabama Friday, maybe as far south as Montgomery. With El Nino providing lots of precipitation, and an AO that keeps going negative … Continue reading →

James has discussed the Arctic Oscillation Index (AO) lately, as we did during late December in anticipation of the major cold outbreak in early January. Basically, a negative AO means that pressures are below normal in the Arctic, and generally … Continue reading →

Area radars still indicate light drizzle or snow flurries falling across much of northern and central Alabama, and that will continue through early evening. The cold air is coming in on NW winds. Current temperartures include BHM 36, Jasper 34, … Continue reading →

A major winter storm continues just north of the BHM area today. Look at the huge area of winter storm warnings from Oklahoma to North Carolina. Sleet has been reported, along with some icing, in parts of north and northwest … Continue reading →

Very cold air is gathering over the northern United States and Canada this morning, and temperatures will stay below freezing today as far south as Indianapolis. This somewhat shallow cold air will spread southward tomorrow and Friday, as an upper … Continue reading →