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Jan 6/7 "Event" and obs


stormtracker
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1 hour ago, NorthArlington101 said:

If we could get that MSLP to jog westward even a little, I think we'd be really happy.

1641542400-DNMUVy6n36Q.png

You can start to see the coastal enhancement on the 3k just as the storm get's going, that's what really ends up providing the nice totals D.C-east, from my not-so-expert analysis. Getting that a bit earlier/further west would be nice.

Depends where you are. Near I95 east yea you want that coastal to get going. NW of there actually wants the banding from the upper level SW along the jet streak to hold together longer. As soon as the coastal fgen banding starts to crank it will cut off that band further NW.   It’s not a coincidence that runs that have a better coastal band DC east screw over places like Winchester, Leesburg, Frederick, Westminster.

4 minutes ago, Deck Pic said:

GFS is pretty tasty...except the dry slot is over Westminster so we know it's wrong

image.png.9db9a329ecf0b038fe9fa6eea3d981a3.png

It’s not crazy if it’s right about developing that coastal banding where it does. That would kill the SW associated band and put up here is a subsidence zone and yes that does happen. I do get fringed up here. It’s not that rare. Actually it DC is getting cold smoke it’s pretty common. It’s just more than made up for by all the times I get 6” and it’s raining in DC. 

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52 minutes ago, Warm Nose said:

It's an awful way to word it. Why not stick with the original designation - 10 percent chance? I'm not surprised honestly but this one is beyond dumb.

Why do any of them at all. Make a forecast and go with it. We’ve had this discussion a million times.

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3k NAM gets the coastal associated band going fast enough that it overlaps with the SW associated banding and limits the subsidence zone giving the entire area a nice 3-5” snowfall. That’s the best case scenario but I still find it more likely there is a gap between bands with a general ~2” with two zones of 3-5” on either side.  
 

Still a general 2-5” snowfall is fine and some places in here will be near median snowfall by the weekend with a pretty favorable pattern ahead. In a Nina no less when a a week ago people were talking about the prospects of a seasonal shutout!   The sky isn’t falling. 

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3 minutes ago, understudyhero said:

Pwc called it for Thursday citing widespread power outages for where the staff lives as a primary reason. 

FCPS said this: Across Fairfax County, we continue to receive reports of roadways, sidewalks and pathways that remain unsafe for our students.

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