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The 12z GFS for Juy 4th:

By the way my, site very slow for 2 days. Keep getting upload errors...

WB 18Z NBM; better than I expected.

Yea 98 am 75% humidity won’t be fun.

Like I said, a very small movement in the total mass structure of these featured layout cleans things up quite a bit. We're on the edge ... this, below, doesn't suggest heat can't get in here. But yeah, it's also close enough that some form or another of a SW calving ( which does happen as part of our climo - ) S out over top would present challenges to getting warm here. And agree on the MCS stuff given this config Too early to call either way. The continuity of the models isn't good enough at this range for having small room for adjusting.

Weird the NAMS moved way north at 12z

Would be cool to go from this unbelievable stretch of weather we’ve had lately to 100 on Monday. It’s going to be close!

Yes, I vividly recall one event in July 1980. N to S cell movement w/ svr, and it was a nasty mid evening event. That's what stuck in my memory as to, "look for for storms that move N to S in hot ridge patterns!" Summer of 1980 was among the biggest heatwaves and drought on record for the CONUS.

At this range, I am just looking at the wavelengths and axis of the ridge. That has not changed much in the last several days overall. The point being it appears New England will be on the fence for big heat. Tastes of heat but lots of caveats present w/ cloudiness, extent of convection, and weak fronts hanging up over or just S of the region. It's not a classic Bermuda High situation w/ solid low-level SW flow for the best heat in the NEUS. But in some ways, I think this will be better if one like tstms. We don't get ring of fire solid situations every year here. Just HHH for days on end, that's get kind of boring after a awhile for some. Very warm/humid w/ bouts of tstms I think many would enjoy better.

A good chunk of PA isn't far off from being as bad as us.

It's been awhile since we've seen one of those nocturnal strobers running through southern VT/NH into NE Mass. 1990s had a few. Then...rather mysteriously, they went away. or the frequency just dropped dramatically

Up to 87

I remember back in the 70’s and 80’s we were good for at least a few nights during the summer having an intense line move from the north move south east into E MA. Rarely see a storm from that direction at all here anymore

Lots of discussion concerning ring of fire pattern setting up with this heatwave coming through. Honestly feeling like we'll get missed north this time around

Oops. So, that’s why most others’ maxes are significantly warmer than mine. I inadvertently in my mind entered a different max temps contest than most. One other entrant @RodneyShas similarly lower maxes to mine. I wonder if he also thought it was just for June. And I saw people before me putting “June” on their entry, which further made me think the maxes also were for just June. If there’s any way you can remove my maxes picks, please do so. Otherwise, it’s ok. Maybe I’ll get lucky.

Instability looks marginal, but deep-layer shear is very good. I don't see any high-end potential here, but I would think that the updated Day 3 in an hour might contain a MRGL here.

RGEM was showing a big soaker, but now it shifted south. I see Euro just shifted a little south. It's still a very close call, but it seems to be going in the direction of the heavier rain missing to the south for Saturday morning to early afternoon with only some light rain up here.

Yeah, we got 0.08"- storms really fizzled as they came out of the foothills here last night around 10 PM, no good explanation. Continuous lightning and thunder to the west, walked the dogs quickly and took the plants in, then 20 minutes later just some light rain and poof.

Today was another day of furnace-like heat in France, Jersey, and the UK. The extreme heat will shift eastward over the next few days.

It's good analysis here but I would also caution for the other readers that this ridge's morphology has been somewhat unstable in the operational guidance - their respective ensemble means have at times actually implicated a warmer/less perturbed scenario which is interesting. I'm also noticing the end game has been correcting toward a warm numerical telecon values, so there may be some question about the rapidity in which the pattern breaks down - tbd. But as is... right. GFS has a stationary boundary dangling through the region heat never gets in here. Wouldn't take much of a bump and this cleans up considerable.

Maybe they will finally lower you from extreme drought.

T for BOS for pcpn June 1999, but not long after midnight on 7/1, crushed w/ TRW+!

So far, late June through the first 10 days of July resembles 1999. To me this is different from early Nino summer.

Tomorrow svr risk looks so-so. Once again, we see to be lacking in CAPE. MUCAPE struggles to reach 2000 anywhere. What time of year is this? Wind fields are ok w/ largely straight hodographs on the RRFS, but the NAM shows some messy loops at the lower levels. It's a fairly solid 500 s/w for late June and a 250 mb jet max as high as 145 kt moves right over the region tomorrow aftn, which is outstanding for a svr day here in the summer. 65 kt at 500 over SNE. HRRR looks more impressive that RRFS for "meaty" storms and coverage. Maybe an upgrade to SLGHT for some of region 06 or 13z Fri.

I'll take the heat if we can get some big storms.. ring of fire pattern would be fun