Twenty seven years ago, in the middle of a snowy D.C. winter, a large and disruptive winter storm barreled up the Eastern Seaboard. The system was so immense that snowfall amounts of 8″ or more spanned each of the Eastern states, save for Florida. Across the D.C. area, 10-14″ fell. Read More

The blast of cold air that brought snowfall throughout the D.C. region Thursday night and into early Friday is expected to continue throughout the weekend with chilly temperatures and strong winds. Read More

The Washington, D.C. metro region was visited by two early-December winter precipitation events (December 8-9, December 10).   In this article, we briefly examine the anatomy of each, explaining what happened, and why each was a very different type of storm. Read More  

A winter weather event including 1) snow, ice, or sleet meeting or exceeding locally defined 12 and/or 24 hour warning criteria; or 2) a combination of snow, ice, or sleet and blowing snow with at least one of the precipitation elements meeting or exceeding locally defined 12 and/or 24 hour warning criteria. Read More

A wound-up, intense late winter storm marches into the Mid-Atlantic Tuesday night and Wednesday, promising widespread accumulating snow. Heavy snow is possible, especially in far western parts of the Washington, D.C. metro region and northwest Virginia, with some accumulations likely reaching double digits. Read More

  This impressive, moisture rich weather system – the biggest of the winter in the Midwest – will not carry the core of its heavy snow and icy precipitation to the D.C. area.  A piece of the storm, however, will survive, spreading a bit of moisture over the cold air in the Mid-Atlantic Friday afternoon. […]