Accumulations Late Week Likely Dependent Upon Elevation

Unless the coastal storm rapidly deepens overnight on Thursday, the likelihood of accumulations is fairly low this time of year outside of higher elevations in the Potomac Highlands and grassy surfaces in the northern and western suburbs of Washington.

Latest GFS, 7 AM Friday; Image courtesy Weatherbell

Latest GFS, 7 AM Friday; Image courtesy Weatherbell

Let’s take a look at the latest GFS and Snowfall Accumulation forecasts… 

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Latest on the Potential for an Accumulating Snow Event Thursday Night & Friday

The European and GFS (American – Global Forecast System) models are in basic agreement that a storm system will track through the Mid South on Thursday as an area of low pressure develops off of the North Carolina Outer Banks before tracking northeast. This system has the potential to deliver some accumulating snow from Northern Virginia to New England.

Latest Global Forecast System (GFS) Model: Thursday XX PM; Image courtesy TropicalTidbits

Latest Global Forecast System (GFS) Model: 1 AM Friday; Image courtesy TropicalTidbits

How much snow could fall? Let’s look at the latest forecast models…

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Late Week Storm Could Deliver Wet Snow

The weather pattern will transition away from Spring to Winter beginning mid-week possibly lasting through the end of March.  Storm systems will begin travelling along an increasingly amplified jet stream and with colder air to work with we will have to watch for the potential of accumulating wet snow events in the Mid-Atlantic and New England.

Latest Canadian Forecast Model: Snowfall Potential; image courtesy Weatherbell.

Latest Canadian Forecast Model: Snowfall Potential (Thursday/Friday); image courtesy Weatherbell.

The first storm system to watch will move out of the Mid-South late Wednesday possibly bringing wet snow or rain to our region during the Thursday/Friday time frame.

Several models keep this system suppressed well to our south delivering cloudy conditions and some light rain, however…

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