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Winter Weather Advisory For Tuesday

By Aaron Kraut

Monday - 11/25/2013, 1:30pm  ET

It’ll likely be mostly rain, but with near-freezing temperatures it’ll be enough for our first Winter Weather Advisory of the season.

The National Weather Service issued the Advisory on Monday afternoon for Montgomery County and many other jurisdictions in the D.C. area for 4 a.m. to 1 p.m. Tuesday:

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW…SLEET AND FREEZING RAIN…WHICH IS IN EFFECT FROM 4 AM TO 1 PM EST TUESDAY.

* PRECIPITATION TYPE…PRECIPITATION WILL START AS A BRIEF PERIOD OF SNOW AND SLEET LATE TONIGHT AND EARLY TUESDAY THEN IS EXPECTED TO CHANGE TO FREEZING RAIN BY MID MORNING TUESDAY AND CONTINUE AS FREEZING RAIN INTO EARLY TUESDAY AFTERNOON.

* ACCUMULATIONS…UP TO AN INCH OF SNOW AND SLEET BY EARLY TUESDAY MORNING FOLLOWED BY AROUND A TENTH OF AN INCH OF FREEZING RAIN TUESDAY AFTERNOON.

* TIMING…BEGINNING BETWEEN 4 AM AND 6 AM AND CONTINUING INTO EARLY AFTERNOON TUESDAY.

* TEMPERATURES…IN THE UPPER 20S TONIGHT…MID 30S BY EARLY TUESDAY AFTERNOON.

* WINDS…NORTHEAST 5 MPH.

* IMPACTS…THE COMBINATION OF SNOW…SLEET AND FREEZING RAIN WILL  PRODUCE SLIPPERY CONDITIONS LATE TONIGHT THROUGH EARLY TUESDAY AFTERNOON.

Forecasters say to expect mostly normal rain in the inner suburbs. Despite today’s cold, temperatures on Tuesday should get up around 40. From the Washington Post’s Capital Weather Gang:

Tomorrow (Tuesday): Rain is likely (greater than 90 percent chance), possibly beginning as a brief period of mixed precipitation (snow/sleet/freezing rain) early in the morning (40 percent chance).  I can’t rule out a few slick spots or even delays from a light coating, especially in our colder north and west suburbs. But temperatures will rise above freezing from southeast to northwest by mid-morning, when precipitation gradually becomes all rain.  During the afternoon, rain gradually increases in intensity, with highs around 40.  0.25-0.5 inch of rain is possible by dark. Confidence: Low-Medium

Tomorrow night:  A driving rain is likely, with over 1 inch filling gauges overnight; some areas may see 2 inches with localized thunder and flooding a possibility.  Temperatures may actually rise overnight, especially east of I-95 (to 50 or so), as fetch of milder air streams northward. Locations farther west may stay in the cold side of the storm, with temperatures hovering close to 40.