Concerning Tornado Watch
Posted by JAC on 9/11/2009, 8:43 am



MESOSCALE DISCUSSION 2010
  NWS STORM PREDICTION CENTER NORMAN OK
  0639 AM CDT FRI SEP 11 2009
 
  AREAS AFFECTED...COASTAL DE/ERN NJ
 
  CONCERNING...TORNADO WATCH 739...
 
  VALID 111139Z - 111345Z
 
  THE SEVERE WEATHER THREAT FOR TORNADO WATCH 739 CONTINUES.
 
  LIMITED TORNADO THREAT CONTINUES ACROSS THE TORNADO WATCH AREA --
  PARTICULARLY OVER THE CENTRAL AND SRN NJ COASTAL AREAS ATTM.
 
  SURFACE DEWPOINTS NOW IN THE LOW TO MID 60S ACROSS COASTAL SRN NJ
  ARE CONTRIBUTING TO MINIMAL INSTABILITY...AND THE ASSOCIATED
  MAINTENANCE OF ONSHORE THUNDERSTORMS OVER THE PAST COUPLE OF HOURS.
  WHILE SUBSTANTIAL/PERSISTENT LOW-LEVEL ROTATION HAS NOT BEEN
  OBSERVED WITHIN THIS CONVECTION...A VERY FAVORABLE LOW-LEVEL FLOW
  FIELD PERSISTS /50 KT 0-1 KM SHEAR PER THE LATEST FORT DIX NJ
  WSR-88D VWP/.  THUS...LIMITED TORNADO POTENTIAL WILL CONTINUE --
  PARTICULARLY WITHIN AN ESE-WNW BAND OF STORMS WHICH CONTINUES
  DRIFTING NWD ACROSS OCEAN COUNTY...WHILE INDIVIDUAL CELLS WITHIN
  THIS BAND CONTINUE MOVING ONSHORE/WNWWD.
 
  ..GOSS.. 09/11/2009
 
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Extra-Trop off East Coast - Tornadoes Possible - JAC, 9/11/2009, 8:41 am
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