Snowfall Potential through Sunday Midnight; Ice Accumulations will run a tenth to a quarter-inch in places. Precipitation should change to rain overnight on Saturday but exactly when is debatable.
Latest Snowfall Forecasts from the Various Models:
Latest North American Model (NAM) Snowfall Forecast; Image courtesy Weatherbell.com
Latest Global Forecast System (GFS) Snowfall Forecast; Image courtesy Weatherbell.com
Snow should break out in earnest during the morning hours in the Shenandoah Valley, pushing east into the Metropolitan Area between noon and 3PM. Snow will continue through the afternoon before beginning to mix with sleet and freezing rain during the evening hours. Freezing rain will continue overnight in the favored colder locations (Shenandoah Valley, northern Maryland) before changing over to rain. Ice accumulations will range between a tenth in our warmest suburbs (south and east of DC) to a quarter-inch or more in the sheltered valleys (Shenandoah Valley/Northern Maryland). This storm means business… and will be difficult to forecast exactly when the colder air at the lower levels is able to be scoured out. Stay Tuned.
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