The National Weather Service forecast map for Saturday morning when a low pressure system is expected to bring a major snowstorm to the East Coast.
The National Weather Service forecast map for Saturday morning when a low pressure system is expected to bring a major snowstorm to the East Coast.
A large swath of the East Coast is bracing for a major winter storm on Friday with the biggest snow amounts from this weather system expected to be in the Mid-Atlantic region, like the Washington, D.C. area, where a foot or more of snow is expected.
According to the National Weather Service which writes its forecasts in all caps:
THE BIGGEST WEATHER STORY ACROSS THE LOWER 48 WILL BE WITH A STORM SYSTEM CURRENTLY LOCATED IN THE GULF OF MEXICO. THE INTERACTION
BETWEEN AN UPPER LEVEL TROUGH CURRENTLY OVER THE NORTHWEST GULF
AND A DEEPENING UPPER LEVEL TROUGH OVER THE PLAINS WILL DICTATE
EXACTLY WHERE THE SURFACE LOW OVER THE GULF TRACKS AS IT WORKS ITS
WAY UP THE EAST COAST TODAY AND SATURDAY WHICH WILL ALSO IMPACT
SNOWFALL TOTALS. THE CURRENT THINKING AT HPC (HYDROMETEOROLOGICAL PREDICTION CENTER) IS FOR THE LOW TO CONTINUE DEEPENING AS IT TRACKS ACROSS THE SOUTHEAST TODAY... TO ALONG THE OUTER BANKS OF NORTH CAROLINA BY SATURDAY MORNING AND SOUTHEAST OF MARTHAS VINEYARD ON SUNDAY MORNING. THIS TRACK GIVES A STRIPE OF HEAVY SNOWFALL FROM WESTERN NORTH CAROLINA TO NEW YORK CITY IMPACTING MAJOR CITIES IN BETWEEN INCLUDING WASHINGTON D.C.... BALTIMORE AND PHILADELPHIA WITH POTENTIALLY A FOOT OR MORE OF SNOW. STRONG WINDS ARE ALSO EXPECTED FROM THE EAST JUST NORTH OF THE SURFACE LOW WHICH WILL IMPACT COASTAL REGIONS WITH THE POTENTIAL FOR BEACH EROSION. HEAVY RAIN IS ANTICIPATED TO IMPACT REGIONS SOUTHEAST OF THE RAIN/SNOW LINE WITH A SLEET/FREEZING RAIN
MIX NEAR THE TRANSITION ALONG THE PIEDMONT OF NORTH CAROLINA INTO
VIRGINIA. AS THE STORM WRAPS UP... VERY COLD AIR WILL GET PULLED
DOWN AFFECTING THE ENTIRE EASTERN PORTION OF THE LOWER 48 WITH
BELOW AVERAGE TEMPERATURES.
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