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February Discobs 2023


George BM
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20 minutes ago, Interstate said:

I would like to see the same map from 2009 - 2016

I was mentally trying to do this. For BWI, the anomalies are on this order for 09-10 through 18-19 (I’m not actually confirming this, just ballpark)

09-10: +55”

10-11: -5”

11-12: -18”

12-13: -12”

13-14:  +20”

14-15: +10”

15-16: +15”

16-17: -15”

17-18: -5”

18-19: -1”

So over that period, almost the entirely positive anomaly is driven by 09-10. Take that year out and it’s a little below normal over 10-11 through 18-19. 

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36 minutes ago, fujiwara79 said:

cold air damming

alberta clipper

overrunning

frontogenesis

deformation band

 

All of these terms have been retired because of our new base state.  It's time to add them to the Old English dictionary.

No

Yes

No

No

No

The Alberta clipper thing is very puzzling. The last one, a real one, that I remember was in Jan 2015

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57 minutes ago, Maestrobjwa said:

Thought that was February that year? (I remember it happening on V-Day unless that was another one)

January 6, 2015 is the one I remember well. V-Day 2015 was everyones favorite snow squall(s) of recent times. Well the associated shortwave did enter the US from near Alberta but the strongest forcing by far came along the arctic front.

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1 minute ago, George BM said:

January 6, 2015 is the one I remember well. V-Day 2015 was everyones favorite snow squall(s) of recent times. Well the associated shortwave did enter the US from near Alberta but the strongest forcing by far came along the arctic front.

So on a technicality it wasn't really a clipper?

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1 minute ago, Maestrobjwa said:

So on a technicality it wasn't really a clipper?

Not the classic kind that people are referring to with a 50-100 mile wide strip of light (sometimes mod+) snow oriented from west to east across the region associated with overrunning and/or a jet streak, no.

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