WCSB31 VCBI 290600
VCCF SIGMET A02 VALID 290600/291200 VCBI-
VCCF COLOMBO FIR TC DITWAH PSN N0948 E08036 CB OBS AT
0600Z WI 120NM OF TC CENTRE TOP FL500 NC FCST AT 1200Z
TC CENTRE PSN N1012 E08030 CB WI 120NM OF TC CENTRE=