Winter Weather Advisory for halting rain in parts of Maryland and Vir…

“Difficult travel conditions are possible,” the weather service said. “The cold conditions leading up to this event may make it a dangerous situation for anyone traveling during this time, especially for locations near the Mason-Dixon Line where the highest ice accumulation is most likely.”

meaningful points:

  • Winter Weather Advisory is in effect for halting rain in portions of central and northern Maryland, and parts of Northern Virginia, until noon Sunday.
  • Totals: Ice accumulation up to a tenth of an inch.
  • Black ice will make travel dangerous for morning drivers, especially near the Maryland-Pennsylvania state line.
  • distributed strength outages are possible.

There won’t be snow, but there will be ice: A bout of halting rain promises slick road conditions for some of the D.C. vicinity’s Sunday morning commuters.

In a Winter Weather Advisory for parts of Northern Virginia and Maryland, the National Weather Service said ice forecasts for up to a tenth of an inch on outdoor surfaces will make driving conditions hazardous and bring a risk of strength outages by noon.

“Difficult travel conditions are possible,” the weather service said. “The cold conditions leading up to this event may make it a dangerous situation for anyone traveling during this time, especially for locations near the Mason-Dixon Line where the highest ice accumulation is most likely.”

The Virginia Department of Transportation advised that any part of the road that looks wet should be treated as though it’s ice until temperatures rise in the afternoon. Virginia and Maryland officials both recommended avoiding nonessential travel Sunday morning.

Slow down and leave plenty of stopping distance if you must be out on the roads Sunday morning. Beware of black ice on road surfaces, especially on bridges, ramps and overpasses. Use caution on steps, sidewalks and driveways.



Winter Weather Advisories were updated to include portions of the I-95 corridor from Fairfax to Prince William just before 9 a.m. The NWS canceled advisories for portions of the Shenandoah Valley and the I-81 corridor where temperatures have risen above halting.

Rain overspreading an approaching front will run into cold temperatures lingering at the surface from overnight, before a surge of warmer air brings a change to all rain for the rest of the afternoon — though the exact timing of that change is nevertheless uncertain. Residents of Northern Maryland will see the most ice accumulation, with the possible for a more meaningful icing event over the state line into central Pennsylvania.

“It will not take much halting rain to cause dangerous conditions since the air mass has been cold leading up to this,” the weather service said in its Sunday forecast discussion. “The main question will be the exact timing of the precipitation along with how long the low-level cold air will hang on.”

in spite of, Sunday’s weather will keep dreary. Everyone will be under plain rain by mid to late afternoon, before precipitation tapers off northwest to southeast around nightfall. Higher elevations along the Blue Ridge could see a quick snow shower late Sunday as temperatures drop into the 20s behind the cold front, but the night will stay mostly dry and blustery.

Sunday’s weather ushers in a bitterly cold week: The onset of high pressure and strong northwesterly winds will keep temperatures from breaking out of the 20s on Tuesday, with wind chills in the upper teens.

For the latest road and traffic conditions, see WTOP’s traffic page or listen to updates every 10 minutes online or on the air at 103.5 FM. Download the free WTOP News app for Android and Apple phones to sign up for custom traffic and weather alerts.


Forecast:

Sunday: A chance of halting rain early, changing to all rain after noon. Highs in the low to mid 40s.

Sunday night: Rain clears by midnight. Mostly cloudy, frigid and blustery, with lows in the mid 20s.

Monday: Mostly sunny, breezy and cold. Highs around 40 with wind chills in the 20s.

Tuesday: Bitterly cold and windy. Highs in the mid to upper 20s with wind chills in the upper teens.

Wednesday: Mostly sunny. Highs near 40.

Thursday: Partly sunny. Highs in the mid 40s.


Current conditions:


strength outages:

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