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Is we back? February discussion thread


mahk_webstah
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4 hours ago, ma blizzard said:

not every day you see something like this

IMG_3738.png.2bc966a02f0acc347ef33436ff88f119.png

That would be close to record low 500 heights for the NEUS.  I attached the 500 from Jan 21, 1985.  Just below 480 dm at 500 over CAR, which I think is the record.  But no weenie snowstorm for a 6 year old CoastalWx (no 4-8" in the backlash :P).

Also, there is a KU case from the 1960s where you had 400 m + height falls in 12 hr in the NYC area.  498 dm 500 low right over NYC!

 

jan1985.jpg

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I can hear CoastalWx from here, "why can't the mean trough position be just 150 mi to the W!!!"

But maybe PT action from the NORLUN the 00z ECMWF is explicitly showing, which is pretty amazing it is showing it so far out.   Given the 500 low lagging the sfc low so much, this scenario is not unreasonable.  And we may have a great line of TSW+ when the strong cold front moves through initially.
 

500h_anom.conus.png

prateptype_cat_ecmwf-imp.us_ne.png

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