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WSUY31 SUMU 282220

SUEO SIGMET A4 VALID 282220/290220 SUMU-
SUEO MONTEVIDEO FIR SEV TURB FCST WI S3012W05749 S3000W05648 S3220W05328 S3333W05312 S3511W05614 S3413W05828 S3012W05749 FL300/400 MOV E 10KT NC=