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Mesoscale Discussion 1516 |
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MESOSCALE DISCUSSION 1516
NWS STORM PREDICTION CENTER NORMAN OK
0931 AM CDT SUN JUN 22 2008
AREAS AFFECTED...HUDSON VALLEY INTO WRN NEW ENGLAND
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 221431Z - 221600Z
THE POTENTIAL FOR ISOLATED SEVERE STORMS CAPABLE OF HAIL AND LOCALLY
DAMAGING WINDS SHOULD CONTINUE TO INCREASE THIS MORNING INTO
AFTERNOON. A WW IS NOT CURRENTLY ANTICIPATED.
A N-S ORIENTED BAND OF TSTMS FROM CNTRL VT SSWWD ALONG THE HUDSON
VALLEY HAS SLOWLY INTENSIFIED OVER THE PAST HOUR WITH A GENERAL
SYSTEM MOVEMENT OF 220/25 KT. MORNING WATER VAPOR IMAGERY SUGGESTS
THAT THIS ACTIVITY MAY BE ASSOCIATED WITH A SHORT WAVE TROUGH
PIVOTING NEWD THROUGH THE LOWER GREAT LAKES AND NEW ENGLAND.
CONSIDERABLE CLOUDINESS IS INHIBITING STRONGER DIABATIC HEATING E OF
ONGOING STORMS OVER WRN/CNTRL NEW ENGLAND...WHICH MAY TEND TO LIMIT
A MORE SUBSTANTIAL SEVERE THREAT.
MODIFICATION OF 12Z ALB SOUNDING SUGGESTS THAT STORMS SHOULD BECOME
PROGRESSIVELY MORE SURFACE-BASED AS TEMPERATURES WARM INTO THE
MID/UPPER 70S AND SBCAPES INCREASE TO 1000-1500 J/KG. MODESTLY
STRONG DEEP-LAYER VERTICAL SHEAR MAY SUPPORT A FEW ORGANIZED STORMS
EMBEDDED IN LARGER-SCALE CONVECTIVE SHIELD WITH THE PRIMARY THREATS
BEING LARGE HAIL AND LOCALLY DAMAGING WINDS.
..MEAD.. 06/22/2008
ATTN...WFO...GYX...BOX...BTV...OKX...ALY...
41547323 41507367 41787415 43697389 44717344 44937278
44917179 42227246
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