Interesting:
TUESDAY/DAY 4 -- NEW ENGLAND
MULTIPLE ENSEMBLE SYSTEMS CONTINUE TO SUPPORT A FAVORABLE SEVERE
WEATHER ENVIRONMENT BEING IN PLACE ACROSS NEW ENGLAND ON TUESDAY.
STRONG DIURNAL HEATING AND SOUTHWESTERLY SURFACE FLOW SHOULD ALLOW
SURFACE TEMPERATURES TO WARM INTO THE MID-80FS TO PERHAPS LOW-90FS
BY LATE AFTERNOON AHEAD OF A SEASONABLY STRONG SURFACE COLD FRONT.
AHEAD OF THE COLD FRONT, SURFACE DEWPOINT TEMPERATURES SHOULD RISE
INTO THE 60FS TO PERHAPS 70FS, LEADING TO MUCAPE BETWEEN 1000-2000
J/KG. CURRENT THINKING IS THAT THUNDERSTORMS WILL DEVELOP ALONG AND
AHEAD OF THE SURFACE COLD FRONT DURING THE AFTERNOON ACROSS QUEBEC
AND MOVE INTO NEW ENGLAND DURING THE LATE AFTERNOON BEFORE
DISSIPATING OVERNIGHT. STRONG VERTICAL SHEAR IN EXCESS OF 50 KNOTS
WILL COMBINE WITH STRONG INSTABILITY TO SUPPORT SEVERE
THUNDERSTORMS. THE MOST PROBABLE SCENARIO IS FOR ONE OR MORE BROKEN
LINES OF STORMS TO MOVE ACROSS THE REGION, WITH PERHAPS A FEW
EMBEDDED SUPERCELLS. ALL SEVERE HAZARDS SEEM POSSIBLE AT THIS TIME.