WCMG20 FMMI 210621
FMMM SIGMET C1 VALID 211200/211800 FMMI-
FMMM ANTANANARIVO FIR/UIR TC BHEKI PSN S2143 E05629 CB FCST AT 1200Z 
WI 400NM OF TC CENTRE TOP FL410 MOV SW 10KT WKN=