WCIN31 VOMM 010600
VOMF SIGMET B01 VALID 010600/011200 VOMM- 
VOMF CHENNAI FIR TC FENGAL OBS AT 0300Z N1200 E07980 CB TOP FL520 WI 
100NM OF CENTRE STNR FCST 1200Z CENTRE N1200 E07960=