WVUS06 KKCI 211423 WV6O ?SFOO WS 211423 SIGMET OSCAR 2 VALID UNTIL 211823 WA OR ID AND CSTL WTRS FROM 30SSW YXC TO 30SSW GEG TO 40WSW BTG TO 40WSW HQM TO 60ESE YDC TO 30SSW YXC VOLCANIC ASH BTN FL200 AND FL360 FROM MT SHEVELUCH. MOV NE 90KT. RPTD BY B738. CONDS CONTG BYD 1823Z. THIS HAS BEEN DISCARDED BY THE SADIS GATEWAY OPERATOR DUE TO INCORRECT VALIDITY TIME/ DATE/ TIME PLEASE ENSURE ALL FUTURE SIGMETS CONFORM TO THE FORMAT SPECIFIED IN ICAO ANNEX 3 CHAPTER 7 AND APPENDIX 6. REGARDS SADIS GATEWAY OPERATOR