Typhoon Tip

Told you CPC would have to knock down the tenor for "excessive northeast heat" for that D 5. The Euro pushing back constantly toward and beyond D6's is really just it correcting it's own amplitude bias as it ages those frames in later cycles... That original excessive bold percentile claim is/was set to begin tomorrow...when it will be 59 F at dawn and smell of low tide clear to Springfield Mass...heh. Maybe not so extreme as that, buuut...there's no deep tropospheric heat signal available to the northeast - to wit, we assume that to mean New England in this context. Frankly ... there is heat over the continent - it's not for lack of supply and demand. It is, however, a delivery problem... I actually give the models a bit of a break on this one, too. They were correct to see the subtropical heat expansion scenario. That much is evident both in the hydrostatic heights and the hypsometric thicknesses permeating south of ...~ 38th parallel across the continent... etc. But, what's happening above that latitude is the arrival of an unseasonably strong polar jet that wasn't really part of those original ensemble visions of a week ago.. It's sort of insidiously albeit relentlessly gain presentation from the N .. slowly correcting and pressing the heat south on every cycles spanning some five day's worth. I'd also give more of a nod to the GFS operational than the Euro on this one, too, because the GFS was always tending to ablate the heat dome's N arc ... running vorticity and jetlets over the top preventing as much liberal polarward migration of the warm 850 mb conveyor... Contrasting, the Euro's correction schemes may seems to emerge a negative performance with that model, one that I've come to find is more express-able over North America perhaps than other quadrants of the N. hemisphere ( geophysical circumstantially). What it does is tends to fall back to whatever signal it happens to be managing at D4 ... turning the page into D6 ( as does it's EPS mean, too) and then runs away with whatever remains - which unfortunately for it, that means it tends to look over amplified in the extended(s). It's the antithesis to winter, why there's too oft D8/9 phantom east coast bombs with the Euro. But in summer ridging ... I mean you look at this, ...it's kind of hard to run a heat transport to the 40th parallel and beyond ...with that giant grinding jet and power R-wave structure in place. If one has a modicum of real Meteorological and climate wit and wisdom about their ability to analyze, this is anomalous flow for mid summer. Orienting in parallel some 5 to 7 hydrostatic lines circumnavigating such definitive R-wave construct for mid summer - frankly, this is the summer variant of the jet velocity saturation issue that was observable in recent winters... It's taking a gradient saturated hemisphere in both cases, just that in the summer,...less so. I've seen that kind of R-wave signature and velocity balancing in February back in the 1990s... Rare, and it takes a relaxation period,... but it's f'n July. This should not look this way... Moreover, whenever the models may relax that N jet structure even a little bit, right away, we get more heat...so it's like precariously we are on the fence.. and noise will dictate which side we land on...

In more ways than one... considering that going above normal is the new norm in itself. There's a kind of cultural adaptation/acclimation going on with folks, because we are +1 to +3 since June 1... Logon is 0 for July ( 14 days worth is a pretty remarkable achievement idiosyncratically, actually...) but otherwise, we gather a "typical" impression from above normal. A true 0.0 month would be bitching about cold anomalies - heh... interesting.

Very similar synoptically to the cool down over a week ago. Weakly low scoots seaward but this one has more actual surface high

18z GFS finally gets the 588 N of our latitude over a convincing period ... Many cycles since it’s done that ...

We need that Sanoran heat release/sourcing like the Euto’s been advertising in the xtensed to actually get into the short range ...just seems to be a permanent fixture out there in the extended but it never seems to mature or last rather crossing into the 84, 96 or even day 5 range Probably flips around in late November and we have a permanent apocalyptic blizzard bomb that never comes either

Kind of hard to when the dpoints are so high 850 m bar temperatures 17+° now seems like for the past 10 days ...on a west wind in a dry adiabat we should probably be 94°

Vehemently agree ! It’s supposed to be starting tomorrow and yet it’s still day 6

Whatever happens ... high probability it happens in a relentlessly screaming rage of jet velocities ...

sneaky brutal N of the Pike ... we have 86 to 89 at all home stations networked into Wunder that are within 5 clicks of mi casa and they all have DPs 75 to 79F ! it's not a trivial HI, no -

One of those nights in the urban centers I wonder

They may be on the verge of significantly adjusting that threat assessment to a 'nah, never mind' status - Looks like the opus in summer fake-outs by the models just made everyone a fool - EPS punching the Pac jet across the N-Tier like that will ablate the ridge pancake meaningless with strafing MCS that probably even end up turning right before the get here. We get a nothing ... for ever - It's called the wah wah waahhhhhh pattern for summer enthusiast. Otherwise known as 'New England'

yeah...no dependability with that heat signal - hard to say if that's just typical day 7+ follies, though obviously there is some of that in that sort of time range... but this has been the seasonal tempo this year, to consummately put up those big warm signals and then watch the models cleverly dismantle them... watch us end up with a shot across the bow autumnal trough - in july no less..hahaha. kidding but it seems continentally there is too much heat forcing out around 110 west to expect ridging east ...something like that... not surprised the Euro backed away from the bd though...it's done that, too, whenever the residual trough tries to move/fill NE and smear out it sees a 12 hour wind of mass in GOM and can't resist the geophysical feed-back in creating those. thing is, ...that's how they happen...so it's hard to 2nd guess - the 00z probably ridge bulges back some .. who knows how much. but we've been sloshing at large scales 00z's being warmer, for several days now.

interesting parsing effort for that statement ... buut, the cultural relativity from ethos to ethos in this country is a funny comparison exercise. I lived from my unfortunate exposure to this world through 14 years of age in the Battle Creek -Kalamazoo, mid-way Burger King rest-stop between Chicago and Detroit's marvelous blight trades. Back whence, southern lower Michigan pathos was achieved by exited failed mid 20th Century industrial islets amid a sea of otherwise cow-shit and corn-stalks as far as the eye could see. It's changed ... ing, in the last 20 years... with farm-lands recovered and converted into single-story mall complexes and a lot of triglyceride restaurants that skirt college arty wannabes ...but at least they're trying. Back in the day... you bolted your car with a double fractal encryption encoded locking systems that God couldn't get into if it meant saving the Cosmos if you dared run into the corner store for a bottle of "pop" - as they called sodas there. Houses? Forget it... you posted Ninjas with light sabers. My family moved to Rockport Massachusetts early in the summer of '84. No one locked anything. I thought that was the weirdest thing I'd ever heard of... At a friend's house, we leave, "Aren't you gonna lock the door?" furled confusion in the face. He looks at me like I just arrived from planet Zarcon and so it's understandable that I don't know the ways of the human species, "Noooo ...why would anyone do that?"

...typically you will find them in a 69.8/49 F environmentally controlled setting

88 to 90 / 70 to 75 here in interior SNE is enough - heat adv criteria ...probably could/shoulda been expanded but whatever .. .in "or around" definition should suffice. but wow, ... ASOS DPs are 70 to 75 ... who paid 'em off to admit that -

I'm also wondering if this local time span ...the last three days worth, of model cycles is 'thermally sloshing' ... I've just noticed that the 00z runs look a little hotter and less subtly muted than the 12z cycles, and the difference is that either grid initialization is at the other end of the diurnal cycle

Valleys ? nah... that's a brain scan/neuro-tapestry of Gaia ...and is she pissed!

Could also be a scenario where the modeling et al just rushed it ... which I hate. I've actually seen summers(winters) that persistently put up delicious menu patterns in the extended, and then it finally happens in the first week of September ...or, the last week of March...as some jipped version as though it was a bate-switch the whole season at hand...ahahaha. The thing finally gives you a taste of what it was lying about, but still smacks your face by doing it when heat or cold is seasonally muted for being so lagged -

Yup... I was musing with PF the other night how invariably ...this spring into early summer ( so far ..) has been an exercise in futility getting 'biggish heat' looks inside D6. In fact, it has not happened yet successfully - speaking to SNE... Yet the modeling in that time frame would have driven humanity to a special consortium summit for the heads of climate impact regarding the death of civility as we know it... Brian and I were speculating that there's something in the back ground physics that's opening open up/exposed by the loss of nearer term offsets that do seem to get smoothed out -either by model convention/design, or perhaps time... Basically, either removes the nearer term offsets and some underpinning signal expands the ridging... like canvased tendency underneath all else That said, we did see the Euro do this on a D7/8 chart last week with a BD and it disappeared within a cycle or two ...so there is some precedence, within that general failed framework, to still oversell BDs by the Euro... It's really like layered errors: too hot of a synopsis in general, is offset by a fictitious BD... when neither happens in lieu of the pedestrian reality. I can see why the Euro is BD manufacturing though ...the trough in the nearer term ( D4 and 5 ..) residually limps and fills its way into the Maritimes, but has just enough mechanical power to NVA some mass build-up over the region...then, geophysical biases kick in and the model can't resist. Here's the the thing... the model(s) et al are subtly introducing flies in the pure hot ointment comparing yesterday's purity, anyway. And that's usually how the shirking starts... We could abolish the BD and still end up pedestrian and forgettable for the usual erosion/corrections anyway...

Today is open sky dead wind stifle ... it's 83/74 at 9am here ... with leafs on trees still like solidified in amber. You can hear the sun's unadulterated insolations ...sounds a bit like microwaving sunday's roast.

Seeing as you were begging for additional insights ... -- the 'swhirl' will comes up the coast more intense than expected. invariably, the models will not handle the physics and get sort of mottled or confused with the land being nearby and improperly fusing drier air source they'll fumble around and phase smear it between two cyclone types... which then assesses the system larger and less coherently intenser core-ward. Meanwhile, the swirl crosses a developmental threshold that the models and humans never see coming...whatever that is - and it's relative to the super synoptic metrical layout when/where/strength that happens. Once that happens, it leaps to 70 mph and they hurricane warnings to Long Island when no one around land is even seeing winds gusting over 45 mph... -- or, weaker, ...because it's proximity to land and colder water N of the Del Marva will mean the models and interpreters improperly fuse these cooler sources and thus, fumble around and smear it between two cyclone types while biasing too strong due to the don't-ask-don't-tell over-sell PR tactic that TPC employs but doesn't admit to M.O. whenever Seagulls fly within 500 miles of any coast... -- the NAM typically has maintained a NW bias with western Atlantic cyclones. I dunno know if that's true with tropical/barotropic physically powered phenomenon, or, if it is still true.. but, that was the case through the 2010s

Hey Bob... ...let me know when y'all think it is worth it and I'll pull that post from earlier and create a thread for that heat - I mean ...perhaps too early today. 12z operational GFS went alarming... It's alarming because this run does not very readily transport thermal ridging polarward as a base-line bias, yet it's D9 overcomes. is literally dangerous from Chicago to Boston, with 22 to 25C 850 mb in rare trajectory for multiple diurnal cycles... and unless there is some impossible to determine MCS modulators that's going to be a delicious soup of pandemic, dangerously high heat indices and brain amoeba tick bites... In fact, we could start that thread and put a bold disclaimer that it is experimental and should not be deemed a forecast at this time but something watch in future guidance...

Operational GFS slightly more robust with D8 heights ... I'm surprised this particular model manages to get to D9 without carving a NW flow and grinding heights backward on this run... This model is seemingly parameterized to circular sander ridges into buttes... but, this is the 4th consecutive run where if anything, that is less evident. Hmm... By day 10 we see that beginning but... that far out the model's likely losing the foreground signal in low of the base-line perennial circulation that doesn't want 594 height isohypses hanging around from BUF to BOS to put it nicely.... That's a definite and bono fide heat wave there, D7 entry into D10 ... by hydrostatic scaffolding alone...

I'm actually more concerned/excited for the Mohawk Trail/Rt Poop corridor down in N. Mass/S. VT and NH because typically around here, we right turn and start pac-manning cells toward the richer CAPE early..... But this is also got that mountain lift thing up that way too...so synoptic metrics combining might offset that effect too -

yeah it was about 4 minutes this time ... phew... lol.. kidding. Morning coffee