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Mesoscale Discussion 2232
MD 2232 graphic
   
   MESOSCALE DISCUSSION 2232
   NWS STORM PREDICTION CENTER NORMAN OK
   1133 AM CDT FRI SEP 17 2004
   
   AREAS AFFECTED...CNTRL AND NRN THROUGH ERN VA...SRN MD AND ERN NC
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 171633Z - 171830Z
   
   THREAT FOR ISOLATED TORNADOES IS EXPECTED TO SPREAD NWD AND EWD WITH
   TIME INTO PARTS OF CNTRL...NRN AND ERN VA...SRN MD AND ERN NC. A
   TORNADO WATCH WILL LIKELY BE NEEDED FOR THESE AREAS BY 18Z.
   
   THIS AFTERNOON THE CENTER OF THE REMNANTS OF IVAN CONTINUE NEWD
   THROUGH THE SRN APPALACHIANS OF ERN TN/WRN NC. IVAN HAS TAKEN ON
   EXTRA TROPICAL CHARACTERISTICS WITH A NEGATIVELY TILTED SHORTWAVE
   TROUGH ACCOMPANIED BY A PRONOUNCED DRYSLOT LIFTING NEWD INTO THE
   CAROLINAS AND VA. WHAT APPEARS TO A ZONE OF ENHANCED ASCENT ON
   LEADING EDGE OF THE DRY SLOT IS CURRENTLY MOVING NEWD THROUGH W
   CNTRL NC AND SW VA. THIS ZONE OF ASCENT WILL BECOME CO-LOCATED WITH
   THE DESTABILIZING BOUNDARY LAYER ACROSS CNTRL AND ERN NC AND VA THIS
   AFTERNOON. OTHER MORE ISOLATED STORMS MAY ALSO INTENSIFY IN THE WARM
   SECTOR FROM ERN NC INTO CNTRL AND ERN VA WHERE CAP IS VERY WEAK.
   STRONG LOW LEVEL AND DEEP LAYER SHEAR PROFILES WILL ACCOMPANY THE
   SHORTWAVE TROUGH AS IT ADVANCES ENEWD THE REMAINDER OF THE
   AFTERNOON. AN E-W BOUNDARY ACROSS N CNTRL VA-MD WILL LIKELY LIFT
   NWD...ALLOWING DESTABILIZATION AS FAR N AS NRN VA AND SRN MD THIS
   AFTERNOON.
   
   ..DIAL.. 09/17/2004
   
   
   ATTN...WFO...AKQ...MHX...LWX...RAH...RNK...
   
   34757724 36337741 37407775 37597946 38667826 38847690
   37967594 35387621 
   
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