WSIN31 VOMM 241245 VOMF SIGMET 2 VALID 241320/241720 VOMM- VOMF CHENNAI FIR EMBD TS FCST WI N1218 E07800 - N1235 E08008 - N1017 E08017 - N1022 E07817 - N1218 E07800 TOP FL470 STNR NC=