MESOSCALE DISCUSSION 1579
   NWS STORM PREDICTION CENTER NORMAN OK
   0345 PM CDT MON JUL 11 2011
   
   AREAS AFFECTED...NORTHERN MAINE
   
   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
   
   VALID 112045Z - 112145Z
   
   A SEVERE THREAT IN THE FORM OF DAMAGING WINDS/SEVERE HAIL IS
   EXPECTED TO INCREASE ACROSS NORTHERN MAINE INTO THIS EVENING.
   MONITORING CONVECTIVE TRENDS...A SEVERE TSTM WATCH COULD BE NEEDED
   SOON.
   
   SCATTERED TSTMS CONTINUE TO INCREASE/SPREAD EASTWARD ACROSS SOUTHERN
   QUEBEC LATE THIS AFTERNOON...WITH ADDITIONAL TOWERING CU/FEW TSTMS
   ALSO NOTED OVER THE HIGHER TERRAIN OF WESTERN MAINE AS WELL AS
   AROOSTOOK COUNTY. WITH TSTMS LIKELY TO INCREASE IN COVERAGE INTO
   THIS EVENING...THE AIRMASS ACROSS THE NORTHERN HALF OF MAINE IS
   RELATIVELY MOIST/POTENTIALLY UNSTABLE...WITH MLCAPE ESTIMATED TO BE
   IN EXCESS OF 1000 J/KG. AMPLE MOISTURE/INSTABILITY IN CONJUNCTION
   WITH MODERATELY STRONG WESTERLIES ALOFT WILL SUPPORT SUSTAINED
   STORMS CAPABLE OF DAMAGING WINDS/SEVERE HAIL.
   
   ..GUYER.. 07/11/2011
   
   
   ATTN...WFO...CAR...GYX...
   
   LAT...LON   45787084 47186983 47396830 45536758 45036971 45787084