SWOMCD
SPC MCD 061542
NJZ000-DEZ000-MDZ000-VAZ000-PAZ000-DCZ000-WVZ000-061645-
MESOSCALE DISCUSSION 0829
NWS STORM PREDICTION CENTER NORMAN OK
1042 AM CDT SUN JUN 06 2010
AREAS AFFECTED...ERN WV PANHANDLE...MD...DE...NRN VA
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 061542Z - 061645Z
...TORNADO WATCH WILL LIKELY BE ISSUED BY 17Z...
STRONGER DEEP LAYER SHEAR WILL OVERSPREAD MUCH OF THE MIDDLE
ATLANTIC...PRIMARILY NO FARTHER SOUTH THAN THE DELMARVA REGION.
BOUNDARY LAYER FLOW IS LESS VEERED ACROSS THIS REGION WHICH DOES
PROVIDE MORE LOW LEVEL SHEAR FOR POTENTIAL TORNADIC DEVELOPMENT WITH
ANY SUPERCELLS THAT MANAGE TO DEVELOP LATER THIS AFTERNOON.
ENHANCED SFC HEATING ACROSS CNTRL VA INTO DE SUGGESTS FURTHER
DESTABILIZATION WILL OCCUR PRIOR TO THUNDERSTORM INITIATION
RESULTING IN MLCAPE VALUES LIKELY EXCEEDING 2000 J/KG. LATEST RADAR
DATA SUGGESTS STRONGER FORCING IS BEGINNING TO SPREAD EAST OF THE
HIGHER TERRAIN ACROSS MD/WV PANHANDLE AND WITH TIME STRONG UPDRAFTS
SHOULD DEVELOP EAST OF THE MOUNTAINS. SEVERE THUNDERSTORM POTENTIAL
WILL INCREASE THROUGH THE AFTERNOON HOURS PRIOR TO FRONTAL PASSAGE.
..DARROW.. 06/06/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PHI...AKQ...CTP...LWX...
LAT...LON 39757831 39667420 37887528 38207881 39757831
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