Update: Spotty Snow Now, Patchy Ice Later

*Winter Weather Advisory north of D.C. from noon to 10 p.m. today*

*Vote early (but just once), especially in northern suburbs*

Despite some intermittent light snow and flurries this morning, weather-related problems have been minimal in the metro area. At 11 a.m., temperatures ranged from the low to mid 20s in the north and west suburbs to the upper 20s in the District. Radar shows some light snow mainly north of the District; Baltimore reported snow at 11 a.m. South and southwest of DC, not much of anything is happening at the moment.

Other than light snow and flurries north of DC (mostly in Maryland towards Frederick and north of Baltimore, where a light accumulation is possible), the weather should be pretty quiet for the next several hours in the immediate metro area. By mid afternoon, a very light mix of snow, sleet, freezing rain and rain could develop in the southern suburbs. This precipitation should move into the rest of the area by late afternoon and evening hours. At that time, temperatures should be at or above freezing inside the beltway -- so major travel issues are not anticipated. However, north and west of central Fairfax and central Montgomery counties, below freezing temperatures may cause some slick spots particularly on bridges, overpasses, ramps and sidewalks.

For the detailed forecast for today through President's day, see Matt's post.

By Capital Weather Gang |  February 12, 2008; 11:40 AM ET Updates
Previous: Primary Prediction: Skimpy Snow to Slick Ice | Next: CommuteCast: Caution Advised for PM Voters

Comments

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Is there a chance of no school for MOCO tomorrow?

Posted by: d | February 12, 2008 11:40 AM
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so far nothing has happened in West Bethesda but flurries. Will there be any other precipitation in the next few hours?

Posted by: d | February 12, 2008 11:41 AM
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d: you will have school tomorrow and not much precip is expected the next several hours.

Posted by: Capital Weather Gang | February 12, 2008 11:53 AM
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Am I correct in assuming Round 2 of frozen precip will begin around or after 3 p.m.? I really wasn't expecting a 4-6 hour break in precipitation.

Posted by: winchester | February 12, 2008 12:17 PM
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I just read a suggestion on the prior post that there is a possibility for weather Thursday morning? This would be a very bad thing. Anyone care to elaborate?

Posted by: Southside FFX | February 12, 2008 12:24 PM
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This past weekend I suggested the midweek system could have some "interesting twists". Some have unraveled this morning, especially in the valley. Parts of Augusta Co. received an inch of snow. Schools are closed because of snow in Highland (our neighbor to the west). Some snow continuing to fall to our north. A light mixed bag possible in some areas this afternoon. Rain at times overnight and tomorrow. The GFS indicates a transition to snow Wed. eve. and overnight before ending. Possibly some accumulating snow tomorrow night for lucky snowlovers, especially on the east side of D.C.

During the past 3 runs, the GFS has shifted from another Ohio Valley runner to a track across the Carolina's to off the Va. capes for the weekend system. A wonderful track for us to receive snow, BUT, it doesn't plot high pressure to our north or northwest. A low pressure trough is placed over the northeast Great Lakes. This is where we need high pressure. Instead, high pressure is well off the coast of Maine a little s.w. of where a 50/50 low would be ideal! All of this puts into question the amount and depth of cold air the system will have to work with.

The other models are all over the map with the weekend system.

29 degrees and cloudy at noon.

Posted by: Augusta Jim | February 12, 2008 12:28 PM
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winchester--Yes, the break in the precip could be that long, or even a bit longer. Southside FFX, as we mentioned in the earlier post and comments, just a slight chance of a bit of snow Wed night. Probability of accumulation less than 30%.

Posted by: Capital Weather Gang | February 12, 2008 12:31 PM
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http://radar.weather.gov/radar.php?rid=lch&product=N0R&overlay=11101111&loop=no

The south end of this weatherline is producing some dramatic looking radar.

Posted by: MDScot | February 12, 2008 12:48 PM
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Loudoun Co Schools - VA - Closing 1 Hour Early

Posted by: Anonymous | February 12, 2008 1:59 PM
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in bethesda, light rain, 29 degrees

Posted by: sam | February 12, 2008 2:55 PM
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Looks like the bulk of the moisture is going to miss the DC area, streaming to the north of the region.

Posted by: MDScott | February 12, 2008 3:00 PM
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Seems like its filling in nicely to me...

Posted by: Big Goob | February 12, 2008 3:05 PM
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Ahh maybe this is a sign for things to come in febuaury, forget La Nineo

Posted by: Joey DC | February 12, 2008 3:08 PM
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I'm hearing local roads are in horrible shape. Accidents everywhere.

I hate ice.

Posted by: Ivan | February 12, 2008 4:20 PM
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I would like to bring one topic up. How is it that in a city/region that has more engineers making more money per square mile...can't seem to engineer enough vehicles to salt roads...Maybe they need to consult some of their northern neighbors such as New York or Pennsylvania on what should be a rather simple task. Are these the same people solving our nations problems?

Posted by: Frustrated | February 14, 2008 9:18 AM
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