Here’s how much snow fell around the D.C. area Tuesday

Tuesday’s snow was never expected to amount to much in the Washington region and it didn’t. Temperatures were too mild and the snow didn’t last long enough.

Nevertheless, after soaking rain Monday night, precipitation did transition to wet snow Tuesday morning for two or three hours — even falling heavily for a time.

But the snow had difficulty sticking because of above-freezing temperatures, limiting its effects on the area — even though some schools decided to delay.

In the immediate area, snow amounts ranged from too little to measure — or a trace — to around a coating, mainly on grassy areas. Amounts increased somewhat north and west of the Beltway, where temperatures were a little colder. Up to an inch or two fell in western Loudoun and northern Montgomery counties. In these areas, untreated roads briefly turned slushy.

After the snow moved off, temperatures quickly shot up into the 40s, melting the flakes away as fast as they fell.

More substantial snow did fall toward northern Maryland, near the Mason-Dixon Line. Two to four inches were widespread as the snow lasted longer there and the air was colder.

Here are some select totals from around the region reported to the National Weather Service:

  • Manchester, Md.: 4.1 inches
  • Emmitsburg, Md.: 3.0 inches
  • Lovettsville, Va.: 2.0 inches
  • Westminster, Md.: 2.0 inches
  • Damascus, Md.: 1.6 inches
  • Frederick, Md.: 1.0 inches
  • Herndon, Va.: 0.7 inches
  • Leesburg, Va.: 0.6 inches
  • Dulles Airport: 0.6 inches
  • Chantilly, Va.: 0.6 inches
  • Centreville, Va.: 0.1 inches

The Weather Service also received a report of 8 inches near Sabillasville in far northern Frederick County near the Mason-Dixon Line, the most in the region.

The snow fell on the southern edge of a powerful nor’easter that produced as much as 15 inches from northeast Pennsylvania into Southern New England.

The amount of snow that fell was more or less consistent with what was predicted by the Capital Weather Gang the day before.

In the days leading up to the storm, it was questionable whether snow would fall at all. But on Monday, it became apparent that the storm would track far enough to the south to draw in some cold air from the north as it was pulling away. Yet there was far too little cold air for a more formidable snowstorm.

Moisture, by contrast, was rather abundant. Nearly an inch of rain fell. Had all of the storm’s precipitation fallen as snow, it would have amounted to around 8 to 10 inches.

Tranquil, seasonably chilly weather is in the offing through Friday. A small area of storminess is predicted to sweep across the region Friday night into Saturday. It could produce some light snow and/or rain, but the forecast is still coming into focus. We’ll provide more details on how it might unfold in the coming days.

Because no measurable snow fell at Reagan National Airport, Washington’s official observing location, the season’s snow total stands at 7.9 inches, whereas the Feb. 13 seasonal norm is 9.3 inches. Another 5.8 inches would be needed by spring for this winter’s total to reach the 1991-2020 average of 13.7 inches.

Reference

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