From the ABC 7 Weather team

Thanksgiving 2013 travel could be affected by large storm

November 25, 2013 - 05:40 AM
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Pack your patience on the roads with a forecast that could lead to travel troubles before Thanksgiving.

Just what the Interstate 95 corridor needs for the days leading up to Thanksgiving -- a coastal storm.  Everything is lining up for wet weather that will likely impact your travel on the roads and in the air. 

Let's start with the two weather systems that will combine to create this messy weather. A cold front will dive south, from Canada, into the central Plains. At the same time, an area of low pressure will develop over the Gulf of Mexico and track up the east coast. 

Here's a visual of these two weather features by Tuesday morning.

Weather Prediction Center

The will be a mainly rain event for D.C. area; however, at the onset and tail end of the wet weather, there is the potential for some mixed precipitation.  Precipitation will start Tuesday morning and move in from southwest to northeast. 

Areas south and west of Washington may see a little freezing rain/sleet/snow Tuesday morning, as the moisture tracks into the area (no accumulation expected). This is a simulation of conditions at 7 a.m. Tuesday.

WxBell

By 10 a.m., most, if not all, of the precipitation will change over to a chilly rain.

WxBell

Rain will continue through the day Tuesday and will become moderate to heavy late in the day and through the first half of Wednesday.  Keep in mind that this moisture will track north into New England for the day on Wednesday. 

College of DuPage

This coastal storm will produce a lot of moisture. Check out these forecast precipitation totals up and down the east coast.

Weather Prediction Center

As I mentioned, most of the precipitation in the D.C. area will fall as a chilly rain. As the moisture wraps up Wednesday evening, enough cold air may spill in, for precipitation to end as a little wet snow. Little to no accumulation is expected at this time. 

The good news is the coastal storm will be a fast mover, so by Thanksgiving Thursday the storm system will be north of Maine.

On the flip side, the bulk of the precipitation will fall on one of the busiest travel days of the year.

If you're flying, you'll want to check frequently with your air carrier for delay and cancellation updates.  You can also check out this FAA website for air travel updates.

Traveling Thanksgiving day will be much quieter, as high pressure settles in.  It will remain dry, but chilly for Black Friday shoppers.

WxBell
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