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1/14 - 15 Minor Snow and Ice Threat


Bob Chill

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Excellent synopsis from lwx!

Believe that high pressure will be seeping south on Friday. That
will support the drainage of low level cold air. Meanwhile, the
mid-level flow gradient is tightly packed, with the upper jet
just north of the area. That would support waves of precipitation,
especially Friday night1. How much precip would fall is still to
be determined, and precip type is highly questionable. Just about
the only thing that (perhaps) could be ruled out is pure rain or
pure snow; ie: it would be a mixed bag of some kind. That makes
forecasting any specifics problematic at best.
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2 minutes ago, BristowWx said:

I'm done.  Backing away from the ledge. 

You can say what you said 48 hours from now (8 runs from now) if there's still no precip before Saturday morning being modeled on the operational NAM.

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I think DC will get a surprise now saturday, maybe all day!!. Portland OR was  only supposed to get and  inch or so of snow and  some  places around there got  15 inches. Dont look at the NAM, just have faith. Models arent  infallible.

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2 minutes ago, PivotPoint said:

The center of that high pressure on the latest NAM run seems to be in a very different spot then 18z gfs... This far out for the NAM tells me something is off. And I mean with the NAM obviously lol

 

image.jpgimage.jpg

Dont focus  on the models, dont forget they were awful in portland today.

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4 minutes ago, PivotPoint said:

The center of that high pressure on the latest NAM run seems to be in a very different spot then 18z gfs... This far out for the NAM tells me something is off. And I mean with the NAM obviously lol

 

image.jpgimage.jpg

Good catch! We don't need no stinking Southern New England High. We need an Adirondacks High!

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2 minutes ago, BTRWx said:

Interesting sleet-fest on the 0z gfs

gfs_mslp_pcpn_frzn_us_10.png

Ha!! that could easily be snow. like today, portland was shocked at how  bad the  models were. What is joe bastardi and wxrisk saying? They go by experience and  knowlege, not  models.

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1 minute ago, ldub23 said:

Ha!! that could easily be snow. like today, portland was shocked at how  bad the  models were. What is joe bastardi and wxrisk saying? They go by experience and  knowlege, not  models.

Watch him closely MODS

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