FAUS21 KZBW 171707 ZBW1 CWA 171705 ZBW CWA 101 VALID UNTIL 171800 FROM 10WNW MSS-90W MPV-105SSE YOW-30WSW MSS-10WNW MSS DVLPG AREA TS MOV FROM 26035KT. TOPS TO FL350 WITH MOD/HVY RAIN. TREND...STEADY. NY =