WSIN31 VOMM 041150 VOMF SIGMET B02 VALID 041200/041600 VOMM- VOMF CHENNAI FIR EMBD TS FCST WI N1416 E08821 - N1300 E09054 - N0811 E08740 - N0946 E08254 - N1416 E08821 TOP FL510 STNR NC=