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WSMG31 FMMI 200852

FMMM SIGMET B3 VALID 200857/201257 FMMI-
FMMM ANTANANARIVO FIR/UIR EMBD TS OBS WI 
S2247 E05108 - S2124 E04850 - S1651 E05040 - S1228 E04904 - 
S1135 E05220 - S1606 E05340 - S2247 E05108 TOP ABV FL500 STNR NC=