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May 2022 Thread


weatherwiz
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18 minutes ago, Sey-Mour Snow said:

@weatherwiz watching that MCV in Ohio?

Could be some real nasty storms in PA later on. Wouldn't be surprised to see an ENH in the new outlook which should be out soon. Think even coastal CT has a shot depending on where the instability gradient sets up. 

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3 minutes ago, weatherwiz said:

Could be some real nasty storms in PA later on. Wouldn't be surprised to see an ENH in the new outlook which should be out soon. Think even coastal CT has a shot depending on where the instability gradient sets up. 

they just increased the slight area and moved marginal and slight risk east by about 50-100 miles just west of CT now... 5% tornado probs 

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4 minutes ago, Sey-Mour Snow said:

they just increased the slight area and moved marginal and slight risk east by about 50-100 miles just west of CT now... 5% tornado probs 

If a well-defined cold pool materializes we could maybe see a situation where rather strong outflow winds even propagate into southern Connecticut. This would also depend on how intense/large the complex can form in PA. Outflow could also spark some additional convection, especially if we can get some elevated instability in out ahead of it. 

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NAM is using that to cancel the heat for eastern CT/RI/E Mass ... interesting.

It kinks around the pressure pattern and instills a light SE flow that doesn't turn around.  Sunday becomes the warmer day, but then the main front's sped up in the various guidance and we're probably getting more clouds that day - if that's true. 

So, the big heat/record aspect might have just sailed.  Not sure it's right, but not impossible I guess.

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Heat's very fragile.. It's almost impossible to hold a big heat signal for days leading - of all headline-able events in weather, it's probably the lowest deterministically until perhaps 36 hours preceding. 

Also, morning hi res vis loop suggests some sort of weak or even diffused BD crept into eastern/NE regions prior to dawn.  The motion out over the waters is clearly <--SW ... 

https://weather.cod.edu/satrad/?parms=local-Rhode_Island-02-24-1-100-1&checked=map&colorbar=undefined

Meanwhile, ORH's sfc wind is WSW/SW aver direction, while Logan up to BVY are ENE...  It's not likely to dictate the day, just that it was cool look - heh, literally.

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15 hours ago, powderfreak said:

Another 0.42” of steady synoptic rain so far today.

What a wet 5-6 days.

49F outside and the heat on inside.  This time of year is wild, in one day your boiler is going and the next day it’s 90F with A/C.

Morning drizzle makes it 5 of the last 6 days with measurable RA, total 0.45" and 0.90" for May.  Everything's wet except the soil.

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35 minutes ago, weatherwiz said:

If a well-defined cold pool materializes we could maybe see a situation where rather strong outflow winds even propagate into southern Connecticut. This would also depend on how intense/large the complex can form in PA. Outflow could also spark some additional convection, especially if we can get some elevated instability in out ahead of it. 

It was an absolute beauty yesterday in Missouri. It looked better on IR and radar than virtually all of the early season tropical we usually see in the Atlantic lol.

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Probably lesser known ( ... even lesser do many care - lol ) but there is a western Europe/Eastern N/A mid-latitude teleconnector that is positively correlated.

When they are warm, we tend to be warm, and when they are cool, we tend to be cool.

That, like all telecon's, probably has a better correlative significance in winter than summer. 

However, as I've op-ed'ed a few times over recent years, ... we have seen seasonal lag effects into spring, particularly with regards to the ambient total wind energy at mid latitudes, and that having those surplus mechanics tends to organize R-wave structures that last longer than is typical for AMJ ...etc, etc.

That suggests for me that telecon's may be more useful - they work because of the geometry of R-wave distributions being planetary-footed, so if you have them, logic follows... etc.  

Long of the short, I think this,

"Several southern French towns sizzled in record high temperatures for May on Wednesday, while the month as whole is on track to be the hottest since records began, the national weather service said. "

as found (c/o) here, https://phys.org/news/2022-05-french-towns.html

...bears some pattern correlative weight up and down the eastern seaboard.  

Keeping in mind, these things don't necessarily line up exactly in space and time, either. That's why the correlation coefficiencies never = 1.   But, sufficed it is to say... (barring the NAM's getting cute with E CT/ RI and E Mass removal) ...the weekend's +2 SD heat from DCA to PWM, and what could be episotic significant heat returns through the first week of June ( based upon the 'tenor' and trend of the operational runs, over a canvas of the ens mean suggestions),  fits the lesser known model.   

As an aside, these scenarios are tough...  We are likely to put up a warmer than normal month, any given month, do to the on-going CC ... if only by decimals, but warm nonetheless.  Other months may be substantially more.  These sort of special warm patterns may get too far embedded in those decimals and harder to parse apart.   Having a random month be modestly cooler than normal, still not impossible, actually obfuscates matters even more. 

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27 minutes ago, dendrite said:

Hopefully we mix this crap out soon. Vis is giving me a rage fit seeing eastern sections locked in while the deeper interior is naping.

I mean it's like an homage to hour special little meteorology here that WPC doesn't apparently know how to account for/ or is even aware.

I mentioned this morning ... but that loop clearly smacked of a shallow/diffused BD having crept into eastern sections prior to dawn.  FIT and ORH have been variable/averaging S/SW ....while BOS - BVY axis has been ENE all morning up under that latex paint. 

It's breaking up now. Also, the SW motion from early wrt to the masses off the shore has also ceased and appears to be moving back N.  Looks like it's washing out.  Logan still E at 9mph though. 

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