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Mesoscale Discussion 628 |
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MESOSCALE DISCUSSION 0628
NWS STORM PREDICTION CENTER NORMAN OK
0255 PM CDT WED APR 27 2011
AREAS AFFECTED...PORTIONS OF THE DELMARVA...NJ...ERN PA...SERN NY
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 271955Z - 272100Z
ISOLATED TO SCATTERED THUNDERSTORMS DEVELOPING ACROSS PORTIONS OF
DELMARVA...NJ...ERN PA AND SERN NY WILL POSE A MARGINAL SVR WEATHER
THREAT. WW DOES NOT APPEAR LIKELY ATTM.
PARTIAL SUNSHINE THIS AFTERNOON IS AIDING IN WARMING/DESTABILIZING
BOUNDARY LAYER FROM DELMARVA N-NEWD INTO SERN NY. WITH TEMPERATURES
IN THE UPPER 70S/LOW 80S AND DEWPOINTS IN THE 60S...MLCAPE VALUES
HAVE INCREASED TO AROUND 500-1000 J/KG. IN ADDITION...AREA VWP/S AND
RUC FORECAST SOUNDINGS SHOW VEERING WIND PROFILES...WHICH COULD AID
IN BRIEF STORM ORGANIZATION AS ACTIVITY TRACKS NEWD ACROSS THE AREA.
THOUGH ISOLATED DAMAGING WIND GUSTS OR MARGINALLY SVR HAIL WILL BE
POSSIBLE...THE ENVIRONMENT DOES NOT APPEAR TO SUPPORT A WW ATTM.
..GARNER.. 04/27/2011
ATTN...WFO...OKX...ALY...PHI...BGM...AKQ...CTP...LWX...
LAT...LON 39277646 40477608 42627404 42467337 41737348 40757425
37627585 39277646
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