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Low impact heat wave obs thread.

Typhoon Tip

By Typhoon Tip,
in New England

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powderfreak

powderfreak

Posted
Posted

Yeah like Mitch said, east of the crest of the Berks/Greens it is an all out torch.

 

I've got sun and its upper 70s, but other side of the Spine its 88F in BTV.

 

Even SLK at 1,700ft is 85F right now.

 

Given the summit of Mansfield is sitting at 72F, good mixing from that gives BTV an easy high of 90-92F today.

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moneypitmike

moneypitmike

Posted
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Yeah like Mitch said, east of the crest of the Berks/Greens it is an all out torch.

I've got sun and its upper 70s, but other side of the Spine its 88F in BTV.

Even SLK at 1,700ft is 85F right now.

Given the summit of Mansfield is sitting at 72F, good mixing from that gives BTV an easy high of 90-92F today.

West, that is. Sky is lightening a bit. Who know, maybe I'll get into some warmth after all. In the meantime, I'm grabbing a sweatshirt.

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Typhoon Tip

Typhoon Tip

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breeze getting less here in the last hour (Ayer along Rt 2 in N-NE Mass). 

 

that "might" be a good sign if this BD feature were to mix out due to synoptic forcing/ fluid mechanics with the wind trying to turn around to SW briefly.

 

and it would be brief in a narrow latitude - that vortex stepping on shore in the SE ...would vestigial impart a tendency for wind back to the E by tomorrow anyway.

 

but, before that happens ...some of the guidance did suggest the SW edge of this BD air mass should erode/mix, and move back out as we head toward 00z. 

 

wind has to go calm or else forget it.  can hear/sense the frustration in the posts of those who are in the BD air mass. 

 

One thing that becomes ever clear to me as the decades go by, living in this prone geographic region.  Whether it be this sort of low level tropospheric shinanigans in the spring and summer, or screwing around and f up an otherwise really good cold coastal signal in the late autumns and winter (or croaking a TS trying to move up the coast), SNE is a cold marine mix with continental climate. Really. The region shares in both, and really a designation all its own should be made.

 

I think if folks just got their heads around that idea and truly understood what it means to be in part invaded by chilly marine climate, particularly one that is guided by Labrador death water .. it becomes easier to deal with this as being less frustrating and more understandable. It doesn't mean we can get to 107 August whatever of 1975; if you place a straight edge on a map, on a line between NYC and PWM, anywhere SE of that line should really be cordoned off as a Marine/continent hybrid micro-climate.

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powderfreak

powderfreak

Posted
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Pittsburg 76

 

Home of NH's worst summer.

 

Looking at the obs today reminded me of this post from yesterday, lol.

 

Looks like Pittsburgh is in the 70s even at 2,200ft today... while its 61/55 at LCI :lol:.  Cruel twist of fate.

 

Heck its even 62F at the top of MWN which is an all out torch up there (record high of 64F so they might tie).

 

Mansfield is 74F and their record high is 77F.  The mountain summits seeing near record heat today.

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Typhoon Tip

Typhoon Tip

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Bootleg midnight temp of 83 so nope.

 

Hmm... not sure.  It could, but would be rare relative to this particular kind of set up.

 

This is an aggressive invasion - they don't always have to p-wave in with 30 kts..  They can creep in like this one did - almost like the movie "The Fog". 

 

Seriously .. it still has a +PP perturbation N of Boston's latitude to deal with - so long as that is the case, this isn't just an eastern Mass sea breeze phenomenon that eventually gets overcome by synoptic forcing.. It's a positive-static stability scenario where cold is trapped under warmth.  If there were not cold mass continuously resupplying that low level inversion, I'd say there's a better chance, but so long as there is, it will continue to drain and completely ignore the atmosphere S-W of the coastal plain. 

 

buuut, I will tell you. this BD really shouldn't be happening.  this is some how taken advantage of a one narrow layer of confluence in the vertical sounding somewhere N-E of our lat/lon.  The 500mb charts are not typical for this.. The ridge axis is actually no slightly E of us, which typically with BDs the axis is situated W and the NW flow aloft causes "negative curl" which then causes subsidence -->  pressure rises E of Caribou ME and down the boundary comes.  This is sort of a unique set up that goes against the mid levels.. probably something in the 800 to 700 mb layer that's f us this time.  interesting  

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eekuasepinniW

eekuasepinniW

Posted
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Looking at the obs today reminded me of this post from yesterday, lol.

 

Looks like Pittsburgh is in the 70s even at 2,200ft today... while its 61/55 at LCI :lol:.  Cruel twist of fate.

 

Heck its even 62F at the top of MWN which is an all out torch up there (record high of 64F so they might tie).

 

Mansfield is 74F and their record high is 77F.  The mountain summits seeing near record heat today.

sad we don't live on the top of Mansfield today and today only. :icecream:

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powderfreak

powderfreak

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sad we don't live on the top of Mansfield today and today only. :icecream:

Haha it always amazes me for whatever reason when the summits are near record highs while a cooler backdoor airmass under-cuts it.

Normally if it's mid-70s at the picnic tables my house is easy 90F.

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weathafella

weathafella

Posted
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75F. Climo runs on standard time...not EDT. So this time of year is 1a-1a.

Kind of weird ruling but 75 with minimum aoa climo guarantees above for the date. Tomorrow likely above and Tuesday way above to close out may a bit above for the month.

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powderfreak

powderfreak

Posted
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High of 79F today...now rain cooling it back down into the upper 60s.

 

We ended up right between the true torch to the west of the Greens/Berks and the dank ocean air further east. 

 

Turned out to be a really nice day with 70s, sunshine, and a little humidity to give it a summer feel... now thunderstorms.

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tamarack

tamarack

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 if you place a straight edge on a map, on a line between NYC and PWM, anywhere SE of that line should really be cordoned off as a Marine/continent hybrid micro-climate.

 

Seems odd to stop the hypothetical line at PWM, as the marine influence is usually greater midcoast and especially downeast. 

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Typhoon Tip

Typhoon Tip

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 if you place a straight edge on a map, on a line between NYC and PWM, anywhere SE of that line should really be cordoned off as a Marine/continent hybrid micro-climate.

 

Seems odd to stop the hypothetical line at PWM, as the marine influence is usually greater midcoast and especially downeast. 

 

...I'll bite .. sure... in fact, we could really cordon off anyone east of the Whites and Berkshires, good enough ?

 

it's just that a NE wind at PWM is land direction technically.  the slope of the coast bends back more due S as you near Cape Ann up there in NE MA/Hamptons, such that a NE wind is flat square face smack on shore and relentless at that.  May as well be in a f'n boat hundred mile E of Boston Light!

 

But just the same ... a S wind at PWM can be cruel to summer enthusiasts... sure

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