MESOSCALE DISCUSSION 0028
   NWS STORM PREDICTION CENTER NORMAN OK
   0243 PM CST SAT JAN 06 2007
   
   AREAS AFFECTED...PORTIONS SRN/ERN NH...SRN/WRN MAINE.
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 062043Z - 062145Z
   
   SEVERAL SHORT LINES OF CONVECTION -- WITH ISOLATED EMBEDDED TSTMS --
   MAY PRODUCE GUSTS NEAR SVR LIMITS WITH MINOR DAMAGE.  SVR THREAT
   APPEARS TOO MRGL AND SHORT-LIVED FOR WW.
   
   SFC ANALYSIS SHOWS COLD FRONT MOVING EWD FROM VT INTO NH...EXPECTED
   TO MOVE EWD APPROXIMATELY 30 KT INTO WRN MAINE DURING NEXT 2 HOURS. 
   SHORT/NARROW BANDS OF TSTMS -- INCLUDING ONE WHICH PRODUCED GUST TO
   37 KT AROUND 19Z AT BTV -- WILL MOVE THROUGH RELATIVE MAX OF LOW
   LEVEL TEMPS AND MOISTURE.  SFC THETAE AXIS IS EVIDENT ALONG A LINE
   FROM ORH...LEW...45 NNW AUG.  MODIFIED RUC SOUNDINGS INDICATE
   BUOYANCY MAY EXTEND INTO LOWER LIMITS OF FAVORED THERMAL LAYERS FOR
   LIGHTNING PRODUCTION...AND A FEW CG STRIKES HAVE BEEN DETECTED OVER
   PORTIONS NRN VT/NH.  POCKETS OF SBCAPES UP TO ABOUT 300 J/KG ARE
   EVIDENT INVOF THETAE AXIS AND WILL BE MAINTAINED UNTIL CONVECTION
   MOVES INTO CENTRAL/ERN MAINE...WHERE MARINE AIR WEAKENS SFC-BASED
   INSTABILITY.  MOMENTUM ASSOCIATED WITH STRONG FLOW JUST ABOVE SFC --
   E.G. 50-70 KT AT 2-3 KM AGL -- MAY BE TRANSPORTED TO SFC IN MOST
   VIGOROUS DOWNDRAFTS...ESPECIALLY ON W FACING SLOPES OF HIGHER
   ELEVATIONS.
   
   ..EDWARDS.. 01/06/2007
   
   
   ATTN...WFO...GYX...BOX...
   
   42927184 43857129 44817085 45167040 44356955 43866996
   43657031 43257056 42927081