SWOMCD
SPC MCD 061425
MAZ000-RIZ000-NHZ000-CTZ000-NYZ000-VTZ000-NJZ000-PAZ000-DEZ000-061530-
MESOSCALE DISCUSSION 0828
NWS STORM PREDICTION CENTER NORMAN OK
0925 AM CDT SUN JUN 06 2010
AREAS AFFECTED...MUCH OF NEW ENGLAND...SWD ACROSS ERN PA/NJ
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 061425Z - 061530Z
...TORNADO WATCH WILL BE ISSUED SOON ACROSS MUCH OF SRN NEW ENGLAND
INTO THE MIDDLE ATLANTIC...
WELL DEFINED SFC LOW WILL PROGRESS ACROSS UPSTATE NY INTO SRN VT/NH
BY MID AFTERNOON AS STRONG MID LEVEL SPEED MAX OVERSPREADS SRN NEW
ENGLAND. WARM SECTOR AIRMASS IS QUITE MOIST ACROSS THIS REGION AND
WILL BECOME QUITE UNSTABLE OVER THE NEXT FEW HOURS AS BOUNDARY LAYER
HEATS. LATEST THINKING IS ENVIRONMENTAL CONDITIONS WILL BECOME
QUITE FAVORABLE FOR TORNADIC THUNDERSTORM DEVELOPMENT...ESPECIALLY
NEAR THE RETREATING WARM FRONT WHERE LOW LEVEL SHEAR WILL BE
MAXIMIZED. EVEN SOUTH OF THIS ZONE INTO THE MIDDLE ATLANTIC IT
APPEARS DEEP LAYER SHEAR WILL EASILY SUPPORT ROTATING UPDRAFTS AND
ISOLATED SUPERCELLS COULD ALSO BE EMBEDDED WITHIN A ZONE OF SEVERE
THUNDERSTORMS THAT DISPLAY MORE LINEAR QUALITIES. TORNADOES CAN BE
EXPECTED WITH THE MORE DISCRETE SUPERCELLS...POTENTIALLY
STRONG...AND DAMAGING WINDS WILL BE MORE COMMON WITH LINE SEGMENTS.
HAIL CAN ALSO BE EXPECTED WITH ORGANIZED ACTIVITY.
..DARROW.. 06/06/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BOX...OKX...ALY...PHI...BGM...CTP...
LAT...LON 40097754 42927278 42377050 40927130 39537471 40097754
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