from Capital Weather gang:JUST IN: We've INCREASED our snowfall accumulation forecast

for Tues afternoon. Now expecting Coating to 2" along I-95 corridor, and 1-3" to the east. Snow could be HEAVY from 3 to 6p on Tues.

National Weather Service has EXPANDED winter weather advisory to cover Montgomery and Fairfax counties, in effect noon to 7p Tues.

Given possibility of HEAVY snow between 3 and 6p Tuesday, consider leaving work early - BEFORE 3 p.m., or delaying - AFTER 7 p.m. to avoid the possibility of heavy traffic and possible gridlock.

Note- we also anticipate some schools may dismiss early on Tues and many will cancel after school activities.

Updated forecast: https://wapo.st/35qqTTl