12/2 DC/MD/VA Winter Weather Alert


First Real Snow Chances for the Region Monday. Appetizer tomorrow Night.
 
** Sorry to those that receive this twice. Alerts will just go to the alert email address after this one.
 
What?
2 Systems will affect the region between Today and Tuesday with Winter weather
 
System 1: No big deal, but a burst of snow and sleet should occur tomorrow evening that should last until Midnight.
 
System 2: Significant chance of a real snowstorm.
 
Where?
System 1: Northern 2/3rds of Virginia and Western Maryland. The Snow should change to rain for most regions, but North Central Maryland and the Northwestern part of Virginia.
 
System 2: All regions could see some snow, but again, best chances appear to be northern 2/3rds of Virginia, and western 2/3rds of Maryland. Snow should overtake the region and then a mix to rain, very quickly southern regions, and slowly a creep northward and westward. Right now would call for I-95 areas north of Frederickburg to see a moderate event, while areas west of this by 15 to 20 miles will see a potentially major storm.
 
How Much?
System 1: Dusting most areas at best, but 1 to as much as 3 inches in the areas staying snow or a mix. Grassy and elevated surfaces only.
 
System 2: (First Guess here) Potential exists for the Moderate areas to see 3 to 5 inches and the Major areas (mainly snow) to see 5 to 10 inches with some 12 inch readings in the higher elevations and immediate piedmont areas of Northern Virginia (North of Charlottesville and  western Maryland).
 
When?
System 1: Saturday late day through Midnight for most regions, but the areas mentioned where accumulations could occur will be through Sunday Morning.
 
System 2: Sunday Night through Monday.. possibly stretching to early Tuesday morning.
 
Comments: System 1 will not be a big deal. System 2 seriously could be, but we are early in the game on this! Shifts in the track obviously mean chances for more or less snow. As models converge on the system, updates will come. Also of note, roads are warm so salt will do a good job on helping melt the snow.
 
Expect snow impact Maps possibly tonight or tomorrow morning.. First Guess on Accumulations afternoon or evening tomorrow.
 
All for Now!
Great School in Northern Virginia. http://www.ambleside.org


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