SWOMCD
SPC MCD 271528
NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-VAZ000-WVZ000-271700-
MESOSCALE DISCUSSION 0724
NWS STORM PREDICTION CENTER NORMAN OK
1028 AM CDT THU MAY 27 2010
AREAS AFFECTED...UPSTATE NY...ERN PA...WRN NJ...NRN DE...MD
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 271528Z - 271700Z
...SEVERE THUNDERSTORM WATCH WILL LIKELY BE ISSUED BY 17Z...
OVERNIGHT MCS THAT SURGED OFF THE NEW ENGLAND COAST HAS ENHANCED
NELY SFC WINDS FROM THE HUDSON VALLEY...SWD ACROSS MUCH OF NJ/DE.
EXPANSIVE CLOUDINESS WILL MAINTAIN THIS BAROCLINIC ZONE INLAND WHILE
AREAS WEST OF THE WIND SHIFT WILL EXPERIENCE RAPID HEATING OVER THE
NEXT FEW HOURS. ADDITIONALLY...VIS IMAGERY DEPICTS A REMNANT MCS
OVER ERN ONTARIO WHICH WILL SOON INFLUENCE A MODERATELY UNSTABLE
AIRMASS ACROSS UPSTATE NY. IT APPEARS SFC-BASED PARCELS WILL REACH
THEIR CONVECTIVE TEMPERATURES WHEN READINGS RISE INTO THE MID 80S
AND SCATTERED SEVERE THUNDERSTORMS WILL DEVELOP IN THE 17-18Z TIME
FRAME...DEVELOPING/SPREADING SWD TOWARD THE DELMARVA REGION LATER.
LARGE HAIL WILL ACCOMPANY THIS ACTIVITY...AS WILL STRONG DOWNBURST
WINDS.
..DARROW.. 05/27/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...OKX...ALY...PHI...BGM...BUF...CTP...LWX...
LAT...LON 42997474 41457442 38727570 39307811 42587762 43477641
42997474
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