SPC MESOSCALE DISCUSSION 1085 FOR...ERN NY AND WRN/CNTRL NEW
ENGLAND...
CONCERNING...SEVERE THUNDERSTORM POTENTIAL...
VALID 112033Z - 110000Z
AREAS OF ERN NY AND WRN NEW ENGLAND CONTINUE TO BE MONITORED FOR
INCREASING SEVERE TSTM POTENTIAL. WHILE STORM INTENSIFICATION HAS
BEEN SLOW TO EVOLVE THIS AFTERNOON...ENVIRONMENTAL CONDITIONS
CONTINUE TO APPEAR FAVORABLE FOR A FEW STRONG/SEVERE STORMS INTO
THE EVENING. A SEVERE TSTM WATCH IS NOT IMMINENT.
WARM SECTOR TSTM DEVELOPMENT HAS APPARENTLY BEEN LIMITED BY WEAK
MIDLEVEL LAPSE RATES AND LACK OF STRONGER LARGE SCALE FORCING FOR
ASCENT THIS AFTERNOON. HOWEVER...TEMPERATURES OF 85-90F AND DEW
POINTS OF 65-70F WERE CONTRIBUTING TO MLCAPE IN EXCESS OF 1000 J/KG
ALONG AND SOUTH OF THE WARM FRONT...CURRENTLY SITUATED FROM NERN NY
SEWD INTO SRN NH AND ERN MA. CLUSTER OF STRONGER STORMS APPEARS TO
BE MOVING ESEWD TOWARD JEFFERSON AND ST. LAWRENCE COUNTIES FROM SRN
ONTARIO ATTM AND MAY CONTINUE TO DEVELOP SEWD ALONG THE WARM FRONT
OVER THE NEXT HOUR. ADDITIONAL ACTIVITY MAY INCREASE ALONG THE
FRONTAL BOUNDARY ACROSS VT/NH...AND PERHAPS ALONG WEAK SURFACE WIND
SHIFT AXIS MOVING TOWARD THE CT RIVER VALLEY OF MA/CT ATTM. THIS
SCENARIO IS SUPPORTED BY THE 18Z ETA AND RUC FCSTS THROUGH 00Z.
GIVEN STRENGTH OF INSTABILITY AND SHEAR ALONG THE FRONT...A FEW OF
THESE STORMS MAY BECOME SEVERE WITH THE THREAT OF DAMAGING WINDS
AND PERHAPS SOME HAIL.
..CARBIN.. 06/11/02
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