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WSAG31 SACO 290411

SAMF SIGMET 1 VALID 290411/290811 SACO-
SAMF MENDOZA FIR SEV MTW OBS AT 0411Z
WI S3401 W06944 - S3406 W06858 - S3201 W06845 - S3048 W06913 - S2913
W06852 - S2829 W06942 - S2915 W06955 - S3000 W06952 - S3113 W07027 - 
S3321 W06951 - S3401 W06944 TOP FL310 STNR NC=