WSTH31 VTBS 211203
VTBB SIGMET 03 VALID 211205/211605 VTBS-
VTBB BANGKOK FIR EMBD TS OBS WI N0934 E10106 - N0743 E09921 - N0814
E09840 - N0919 E09821 - N1048 E09905 - N0934 E10106 TOP FL520 MOV
NNW 10KT NC=