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Northeast Severe/Convective/Thunder thread II

Baroclinic Zone

By Baroclinic Zone,
in New England

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HIPPYVALLEY

HIPPYVALLEY

Posted
Posted

As usual...

Inflow notch rips right up the Mohawk trail west of 91... Pseudo embedded supercell look forms, and just south the flanks pivots and strengthens through Greenfield, just south of downtown, across the river into Turners.

Nice synopsis. The area from Bernardston through Greenfield and into Deerfield tend to see some of the best severe that the valley has to offer.

No hail or significant wind to speak of but great thunder and lightning with heavy rain.

Hope we get another round.

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CoastalWx

CoastalWx

Posted
Posted

If these storms don't perk when they hit the instability w of here well probably see rain showers with breezes to 20 lol

It's definitely too early to cancel anything. I've seen lines blow up suddenly out of nowhere too and dynamics are sort of moving along with it. I'm just not sure that they'll be impressive right now for most of the area down that way. Obviously nrn and nw parts are favored.

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CT Rain

CT Rain

Posted
Posted

Line heading toward POU looks solid to me. Not sure what the debbie downerism/weenieism is about tonight. It's pretty annoying. We have nice supercells just west of SNE dropping golf balls and people are whining about storms not making it to their BY? wtf?

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Wonkis

Wonkis

Posted
Posted

I'm impressed by the cells that continue to pop in advance of the line. Some juicy air still in place in SE NY and CT.

It's definitely too early to cancel anything. I've seen lines blow up suddenly out of nowhere too and dynamics are sort of moving along with it. I'm just not sure that they'll be impressive right now for most of the area down that way. Obviously nrn and nw parts are favored.

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CoastalWx

CoastalWx

Posted
Posted

Line heading toward POU looks solid to me. Not sure what the debbie downerism/weenieism is about tonight. It's pretty annoying. We have nice supercells just west of SNE dropping golf balls and people are whining about storms not making it to their BY? wtf?

The line to the north certainly is. Looks like it's trying to perk up too.

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wxsniss

wxsniss

Posted
Posted

latest MCD 6:01pm, nothing surprising:

MESOSCALE DISCUSSION 0967

NWS STORM PREDICTION CENTER NORMAN OK

0601 PM CDT TUE MAY 29 2012

AREAS AFFECTED...EXTREME SERN PA...NJ...SERN NY...CT...WRN AND CNTRL

MA AND SRN NH

CONCERNING...SEVERE THUNDERSTORM WATCH 314...315...318...

VALID 292301Z - 300030Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH

314...315...318...CONTINUES.

SUMMARY...THREAT FOR MAINLY ISOLATED STRONG TO DAMAGING WIND GUSTS

AND SOME HAIL WILL PERSIST UNTIL 02Z FROM SERN PA...NJ...THE NEW

YORK CITY AREA AND NEWD THROUGH SRN NEW ENGLAND.

DISCUSSION...EARLY THIS EVENING AN EXPANSIVE SQUALL LINE EXTENDS

FROM NRN VA THROUGH ERN PA...SERN NY INTO WRN MA AND SRN NH MOVING

EAST AT 30 KT. STORMS SHOULD BEGIN TO AFFECT WRN PORTIONS OF NEW

YORK CITY AREA BY 00Z. OBSERVED WIND GUSTS DURING THE PAST HOUR HAVE

RANGED FROM 30 TO 50 KT. THE STRONGER STORMS WITHIN THE LINE WILL

REMAIN CAPABLE OF PRODUCING ISOLATED STRONG TO DAMAGING WIND GUSTS

AS THEY MOVE THROUGH THE REMAINING INSTABILITY AXIS WHERE MLCAPE

RANGES FROM 1500-2000 J/KG. TOWARD MID EVENING...THE STORMS ARE

EXPECTED TO UNDERGO A GRADUAL WEAKENING TREND AS THE BOUNDARY LAYER

STABILIZES AND AS STORMS BEGIN TO ENCOUNTER THE COOLER MARINE

BOUNDARY LAYER.

..DIAL.. 05/29/2012

ATTN...WFO...BOX...OKX...ALY...PHI...

LAT...LON 41287437 42467274 43087185 42757137 41837223 40717387

39707446 39987549 41287437

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radarman

radarman

Posted
Posted

We're on the edge of the line now, which split nearly right on top of us.

Cool looking sky, but unimpressive winds and precip barely clipping us.

However the parting of the line makes things more interesting upstream as those cells are more discrete and might behave more like supercells.

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