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WSAG31 SABE 171937

SAEF SIGMET A2 VALID 171937/172037 SABE-
SAEF EZEIZA FIR EMBD TS OBS AT 1937Z
WI S3621 W06525 - S3731 W06520 - S3917 W06221 - S3902 W05953 - S3813
W06006 - S3802 W06207 - S3621 W06525 TOP FL420 MOV E 15KT INTSF=