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WSUY31 SUMU 231830

SUEO SIGMET 7 VALID 231830/232030 SUMU-
SUEO MONTEVIDEO FIR EMBD TS FCST WI S3429 W05754 - S3527 W05353 - S3421 W05345 - S3357 W05754 - S3429 W05754 TOP FL380 MOV E 05KT NC=