MESOSCALE DISCUSSION 1528
   NWS STORM PREDICTION CENTER NORMAN OK
   0503 PM CDT WED JUL 06 2011
   
   AREAS AFFECTED...MUCH OF ME...NH/VT/MA...WRN CT...ERN/SRN NY...NERN
   PA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 605...607...
   
   VALID 062203Z - 062330Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   605...607...CONTINUES.
   
   LINE OF THUNDERSTORMS OCCURRING AHEAD OF MIDLEVEL SHORTWAVE TROUGH
   ARE EXPECTED TO POSE A CONTINUED SVR WEATHER THREAT INTO THE EVENING
   HRS. NRN PORTION OF THE LINE OVER WRN ME...NH AND VT IS EMBEDDED
   WITHIN STRONGER LOW TO MIDLEVEL UNIDIRECTIONAL FLOW...WITH RADAR
   MEASURED STORM MOTION NEAR 40 KT. FARTHER S OVER ERN/SRN NY AND NERN
   PA...STORMS ARE MORE CELLULAR AND ALIGNED SLIGHTLY PARALLEL TO UPPER
   FLOW...RESULTING IN SLOWER MOTIONS AROUND 25-30 KT.
   MEANWHILE...SURFACE AIRMASS IS CHARACTERIZED BY TEMPERATURES RANGING
   FROM LOW 80S TO AROUND 90F...WITH DEWPOINTS GENERALLY IN THE LOW TO
   MID 60S...SUPPORTING MLCAPE VALUES UP TO 1000 J/KG. IN
   ADDITION...SFCOA GUIDANCE INDICATES THE PRESENCE OF STEEP LOW-LEVEL
   LAPSE RATES...SUPPORTIVE OF STRONG/DAMAGING WIND GUSTS AT THE
   SURFACE. IN THE SHORT-TERM...DAMAGING WIND THREAT IS EXPECTED TO BE
   MAXIMIZED OVER NRN PORTION OF WW 605 /WITH MUCH OF THIS ACTIVITY
   MOVING INTO WW 607 DURING THE NEXT HR/ DUE TO FASTER MOTION OF THE
   LINE. GIVEN WEAKER FORCING FOR ASCENT AND WEAKER WIND FIELDS OVER
   THE SRN HALF OF WW 605 /SRN NY...NERN PA...MA...WRN CT/...THE THREAT
   FOR DAMAGING WINDS/LARGE HAIL SHOULD BE MORE ISOLATED IN NATURE.
   
   ..GARNER.. 07/06/2011
   
   
   ATTN...WFO...CAR...GYX...BOX...BTV...OKX...ALY...PHI...BGM...
   BUF...CTP...
   
   LAT...LON   44997393 45007155 46577000 46566881 46386841 45276795
               44766847 44696873 44696963 43757093 42727141 42037151
               42057235 41287297 41327736 44017541 44167420 44997393