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Storm Snochi gives way to Friday morning icy spots, and more snow Friday night-Saturday?

*** Capital Weather Gang Live Storm Updates from earlier today ***

** Winter weather advisory until 1 a.m. Friday morning east of D.C./I-95 **

* Snow totals | Zoomable snow total map | Storm news live blog *

11 p.m. Update: The last of the remaining show showers are diminishing as Storm Snochi exits stage northeast. What’s next? Toward dawn, skies clear and winds diminish, as lows drop back to the mid-to-upper 20s, making for an icy Friday morning as any slush tends to freeze up. Friday we get a break with mostly to partly sunny skies, light winds from the southwest, and highs in the upper 30s to near 40. But then…

another system could bring a period of snow Friday night into Saturday morning. Right now it looks like a 1-3″ kind of system. That’s not a lock, though. We’ll have more starting at 5 a.m. Thanks as always for joining us!

From earlier…

Key points:

  • Energetic upper level disturbance to sweep through D.C. area between roughly 3 and 11 p.m. tonight
  • Precipitation may begin as a mix, but should change over to snow. Thunder is possible.
  • Snow may be heavy at times, especially between around 6 and 9 p.m. tonight.
  • Accumulations of 1-4 inches possible, and locally higher amounts cannot be ruled out.
  • This disturbance has a history of producing very heavy snow: 6″ in 3 hours in Roanoke
Loop of water vapor image which shows upper level disturbance over North Carolina and south central Virginia, which will swing towards the D.C. area this evening.
Loop of water vapor image which shows upper level disturbance over North Carolina and south central Virginia, which will swing towards the D.C. area this evening.


Many school systems have already decided to close tomorrow and I imagine many of those that haven’t already will.

3.5 apples: Schools are closed or very likely (90 percent chance or better) will close


3 domes: Greater than 90% chance of unscheduled leave policy and/or delayed opening. 50% or less chance of shutdown.
Update: OPM has announced a 2-hour delay, with option for unscheduled leave/telework

Comment below

Jason is the Washington Post’s weather editor and Capital Weather Gang's chief meteorologist. He earned a master's degree in atmospheric science, and spent 10 years as a climate change science analyst for the U.S. government. He holds the Digital Seal of Approval from the National Weather Association.
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Jason Samenow · February 13, 2014

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