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WSUY31 SUMU 271010

SUEO SIGMET 4 VALID 271010/271210 SUMU-
SUEO MONTEVIDEO FIR EMBD TS GR FCST WI S3350 W05826- S3013 W05744- S2957 W05651- S3130 W05447- S3438 W05614- S3350 W05826 TOP FL390 MOV E 05KT INTSF=