WSTH31 VTBS 051047
VTBB SIGMET 01 VALID 051050/051450 VTBS-
VTBB BANGKOK FIR EMBD TS OBS WI N1824 E09945 - N1734 E09949 - N1715
E09907 - N1636 E09839 - N1746 E09752 - N1824 E09945 TOP FL510 MOV
ENE 10KT NC=