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August 2020 Discussion


Baroclinic Zone
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13 hours ago, backedgeapproaching said:

How much are the normals going to change when 91-20 becomes official? 1.5-2F for most 1st order stations? Or more towards 1F? Guess its going to vary a bit.

One 1st-order station and one long-term co-op:

CAR       81-10     91-20*    Diff.     % diff
Temp    39.87     41.03    +1.16     2.9%
Precip   38.79     40.36    +1.57     4.0%
Snow  112.36   119.20    +6.84     6.1%

Farm.      81-10     91-20*    Diff.     % diff
Temp     42.28      42.96   +0.68     1.6%
Precip    48.37      49.34   +0.97     2.0%
Snow     86.51      92.14   +5.63     6.5%

* 2020 to date.  Rest of year might alter 91-20 by a tenth or two if wx is really anomalous.
Shedding the low-snow 1980s in exchange for 2011-20 is huge.

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1 hour ago, HoarfrostHubb said:

The last BN day in ORH was July 17.  There were only 3 during that month.  

Since June 17, only 10 BN days out of 59 (and today will make 10 of 60.)  Despite that proportion, temps have run only +2.9 - lots of meh with occasional real heat.  Only one day, June 20, was more than 10° AN.

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The air carries a soupcon of marine aroma some 35 miles inland.. I'm in Ayer, MA and at first impression out of door you'd think we're a couple blocks inland from a shore road.

I love that - ... But, after some four straight weeks of 87 to 94 unrelenting, patience-eroding warmth, this 66 F backdoor mass insert is hugely wonderful and needed.  Man - ... I have literally put 125 mi a week on my bike over the last six weeks because it has just been too hot for running and frankly, ...don't want to look at that apparatus until next April at this point.

And it is a BD acceleration ... Time sensitive but high res loop suggests a front.. probably a BD-genesis or amorphously so... moving west of ALB into NYS...as a N-S oriented arc tending to sweep out clouds... Then, some 80 mi back east where the post air mass is deeper the strata arc arrives to eclipse the sky. ...

In an interesting twist, as the west coastal regions of the country are in an extraordinarily rare August scenario, we here in New England are actually experiencing what they typical do - 'foggaust'  ...  It's unusual at both ends... and an homage to a bizarre synoptic layout frankly... with an aberrational +PNAP configuration.  Firstly, we are getting all this erosion and mixing out of lower tropospheric heat at continental synoptic scales here in the east, at heights 582 dm  ?  We've been 100 at that height - yet ... idiosyncratically the circulation medium finds a way to eradicate warmth at these relatively elevated hypsometric layouts.  Fascinating... Meanwhile, Reno NV has heights exceeding 600 dm!

I'm sure this situation chaps Kevin's ass ...but, we early May it for probably the next two days ...while this unusual big high finally diminishes and the easterly components exhaust. Hard to say if strata stays dominate in the sky, this far on the warm side of the solar curve - but it just has a bully vibe on sat comlexion at least for today over eastern regions.. -

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3 hours ago, CoastalWx said:

Looks like very late month into early September will be quite warm. Until then we COC and pray the Nam is right for Monday. 

Late summer warmth is fine. It typically doesn’t have the same chokehold as peak season... and nights are usually coolish. Let’s not waste Earth’s limited supply of cold outside of winter anyway. 

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