WCMG20 FMMI 271815
FMMM SIGMET A5 VALID 271816/280016 FMMI-
FMMM ANTANANARIVO FIR/UIR TC GAMANE PSN S1347 E04911 CB OBS AT 1800Z 
WI 270NM OF TC CENTRE TOP FL450 MOV S 04KT WKN=