Aviation Forecast Discussions Data
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(EXTRACTED FROM FXUS61 KPHI 220739)


    The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG,
    KILG, KMIV, KACY and surrounding areas.
    
    Today...A warm front approaching from the west will bring
    lowering CIGS and increasing chcs for showers and a few tstms
    today. The CIGS will lower earlier and lowest N/W and later
    higher S/E. The exact timing of the lower conditions is a bit
    uncertain, but our present TAFS are not too different from the
    earlier ones and they mostly align with MOS guidance. Showers
    will be more frequent N/W with categorical pops and less
    frequent S/E where chc pops are in the grids. Winds will be
    rather light today from the SE or S. CIGS
    
    Tonight...Low conditions continue with more showers. IFR or low
    end MVFR will predominate with showers and sct tstms
    continuing. It's possible that conditions may improve late
    tonight N/W, but this is still rather uncertain with the models
    showing the front moving a bit slower than before and it may not
    clear the N/W areas until after 12Z. Winds again, rather light
    from the S or SE overnight.
    
    OUTLOOK...
    
    Wednesday-Wednesday night...Becoming VFR. Showers possible
    early. NW winds may gust around 15-20 knots in the afternoon.
    
    Thursday-Thursday night...VFR. N winds may gust around 15-20
    knots at times during the day.
    
    Friday-Saturday...VFR. Southwest winds may gust 15-20 knots
    during the day. Showers possible late Saturday.