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WSIY32 LIIB 270420

LIRR SIGMET 1 VALID 270430/270830 LIIB-
LIRR ROMA FIR SEV TURB FCST WI N4304 E01140 - N4220 E01100 - N4241
E01007 - N4326 E01018 - N4342 E01112 - N4336 E01225 - N4323 E01304 -
N4304 E01140 SFC/FL050 STNR NC=