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The southeastern edge of this wintry event should lie along the Interstate 95 corridor and include NYC-Philly-DC-Baltimore where a minor accumulation of sleet or snow occurs during the Tuesday morning rush hour. For these I95 urban centers, lets count on 0.1-1" of snow sleet at the start but probably not much of a problem due to anticipated melting on pavement. Still I'd leave a little earlier there and count on rain by 10AM. No change from me on the thread headline. That's my take at 7AM

One last weenie band rolling down to cap this event off

Any meteorologist saying that should get a mafia style slap across the face. That worked real well on 10/29/11.

Here where you can insert model bias in. GFS notorious for warming boundary layer too fast. Euro qpf outputs underestimated

BOX had that in their AFD yesterday. Apparently, the sun angle is only low enough for day time accumulation between December 18 and December 24th.

Does central CT go isothermal with this look?

I think what they’re saying is we really don’t know

More than 24 hours of snow—it’s still going at [almost] 6 AM. Next step: get out of bed and clean the driveway…

Light Snow here just southwest of Oregon Ridge

Euro is lean with QPF. Meh. Shoot the horse.

i went to be at 1:30am for the euro and purposely set an alarm at 6:45 to see some snow showers. cloudy skies rn. I shall wait.

I already heard the “daytime” argument for accumulations and pavement temps. Christ we never learn.

Gfs too warm. Even euro borderline.

I think this is the intended. Those amounts and the rainy coast look NAMish.

Snow this morning underway to get us in the mood

That BOX map is only thru 7PM Tuesday. Still several more hours of precip but yeah. It’s awful

Heated discussion over snow depth around 1pm with my son

Yes GFS is definitely converging. From up over RI to this. Soundings are saturated here below 0 c with a bump to 33/34 at the surface. Thumpity my name is Humpity

Nice burst of snow has laid down a dusting here. 34°. Winds S13 G23.

Better for all

Can we get Nam dynamics with gfs/euro position?

6z brings it back similar to Tuesday but a few degrees colder.

I don’t understand how it goes out like that without someone seeing it?

Flurries in McLean!!! First flakes of the season!

BWI: 18.9” DCA: 15.7” IAD: 22.1” RIC: 12.5” SBY (TB): 11.5”