WSIR31 OIII 211448 OIIX SIGMET 07 VALID 211447/211630 OIII- OIIX TEHRAN FIR EMBD TS OBS/FCST NE OF LINE N3639 E06028 - N3552 E05922 - N3643 E05736 - N3809 E05718 TOP FL320 MOV NE NC=