MESOSCALE DISCUSSION 2615
   NWS STORM PREDICTION CENTER NORMAN OK
   0706 PM CST SUN DEC 14 2003
   
   AREAS AFFECTED...NERN NJ...SERN NY...WRN LONG ISLAND...SWRN CT
   
   CONCERNING...CONVECTIVE TRENDS 
   
   VALID 150106Z - 150300Z
   
   AN APPARENT GRAVITY WAVE EVENT MAY BE UNFOLDING OVER PARTS OF ERN NJ
   THIS EVENING AND COULD ENHANCE STRONG WIND POTENTIAL ACROSS PARTS OF
   NYC AND LONG ISLAND OVER THE NEXT HOUR OR SO.
   
   AS SURFACE LOW DEEPENS RAPIDLY NEAR THE MOUTH OF DELAWARE BAY...A
   POSSIBLE GRAVITY WAVE PULSE HAS BEEN INITIATED OVER SRN NJ. THIS
   WAVE IS PROBABLY BEING DUCTED BETWEEN STABLE BOUNDARY LATER AND
   WARMER LAYER OF AIR ALOFT...NEAR 850MB. ARC OF HIGHER REFLECTIVITY
   WAS NOTED IN THE WAKE OF THE WAVE....NOW MOVING ACROSS STATEN
   ISLAND. ALTHOUGH SURFACE PRESSURE VALUES DO NOT APPEAR TO SHOW A
   DRAMATIC PULSE AS IS SOMETIMES NOTED IN THESE EVENTS...LATEST RADAR
   IMAGES FROM KDIX RADAR DO SHOW WAVELIKE FEATURES IN THE REFLECTIVITY
   IMMEDIATELY BEHIND THE ARC. THE WAVE IS MOVING NEWD AT ABOUT 35KT
   AND SURFACE WIND AHEAD OF THE WAVE COULD GUST UP TO 50-60KT AS
   HIGHER MOMENTUM AIR IS MIXED TO THE SURFACE.
   
   ..CARBIN.. 12/15/2003
   
   
   ATTN...WFO...OKX...
   
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