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January Discobs 2022


George BM
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1 hour ago, WxUSAF said:

Periphery of a legit arctic airmass that passed over fully snowcovered terrain and we get a low temp that’s maybe 6F below normal? 

It feels like even a few years ago an airmass like this would push everyone down into the teens if not single digits, even in the urban areas.  They just don't have the same punch they used to...

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5 minutes ago, pazzo83 said:

It feels like even a few years ago an airmass like this would push everyone down into the teens if not single digits, even in the urban areas.  They just don't have the same punch they used to...

It’s been since January of 2018 I think since we’ve had a respectable cold air mass.

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I keep checking the 5-min obs to see when DCA is gonna DCA the afternoon high temp. Been holding steady at 28 (which could be 28 or 29) since about 1, with a dewpoint fluctuating between 1 and 3.

 

As a side note, I don't think I disagree with Judah Cohen on this statement: 

Radiational cooling at DCA has been tough and getting tougher. Dynamic cooling...you could make the argument that a big issue is that we just haven't had that many opportunities in the last few years, which has helped the sub-30 streak for highs go on as long as it has (while the sub-32 streak wasn't all that far off from "expected").

Anyway, salivation aside for next weekend's potential, it does look like a mighty cold airmass lurking around. Maybe the streak will end?

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