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SNE severe/convective thread IX...or whatever number we're on


weatherwiz

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Meh

Not a whole lot to force convection today outside of diurnal heating. Again shear is not favorable for much more than pulse or loosely organized multicells.

I'm still intrigued by the forcing and forecast thermodynamics along the cold front later tonight for northern areas. I'm interested to see if there might be an MCV embedded in that MCS decaying over Ontario too. Might be a focus for stronger storms later this evening for the North Country.

Outside of an isolated severe report, SNE might have to wait until tomorrow as things stand right now.

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Not a whole lot to force convection today outside of diurnal heating. Again shear is not favorable for much more than pulse or loosely organized multicells.

I'm still intrigued by the forcing and forecast thermodynamics along the cold front later tonight for northern areas. I'm interested to see if there might be an MCV embedded in that MCS decaying over Ontario too. Might be a focus for stronger storms later this evening for the North Country.

Outside of an isolated severe report, SNE might have to wait until tomorrow as things stand right now.

Agree with all of this. Not expecting much here in CT for severe. Other areas may see some good stuff north and east of here.

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mcd1550.gif

MESOSCALE DISCUSSION 1550

NWS STORM PREDICTION CENTER NORMAN OK

1132 AM CDT MON JUL 23 2012

AREAS AFFECTED...NERN PA INTO MUCH OF NY...VT...WRN MA/CT

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 231632Z - 231800Z

PROBABILITY OF WATCH ISSUANCE...60 PERCENT

SUMMARY...STORMS SHOULD INCREASE IN COVERAGE THROUGH THE

AFTERNOON...WITH LOCALIZED SEVERE WIND AND HAIL.

DISCUSSION...VISIBLE IMAGERY SHOWS CU INCREASING ACROSS THE ENTIRE

REGION...WHERE STRONG HEATING WAS OCCURRING. MUCH OF THE CU WAS

FOCUSED WITHIN A BROAD SURFACE TROUGH EXTENDING FROM CNTRL NY INTO

CNTRL/ERN PA. MODIFIED MORNING SOUNDINGS INDICATE CIN HAS BEEN

DIMINISHED AND MUCAPE ON THE ORDER OF 2500 J/KG EXISTS WITH DECENT

PARCEL ACCELERATION THROUGH THE PROFILE. SHEAR PROFILES ARE

CURRENTLY WEAK...BUT THE DEGREE OF MOISTURE AND INSTABILITY...AS

WELL AS MARGINAL SHEAR...SUGGEST THAT A FEW STORMS MAY BECOME

SEVERE...WITH LOCALLY SEVERE WIND GUSTS AS WELL AS MARGINAL HAIL.

..JEWELL/HART.. 07/23/2012

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