WVAK02 PAWU 260148 PAZA SIGMET JULIET 2 VALID 260145/260745 PANC- ANCHORAGE FIR VA ERUPTION SEMISOPOCHNOI VOLCANO PSN N5156 E17935 VA CLDS OBS AT 0145Z WI N5159 W17859 - N5110 W17934 - N5151 E17922 - N5206 E17943 - N5159 W17859. SFC/FL100. MOV ESE 15KT. NC. FCST 0745Z VA CLD WI N5202 W17802 - N5030 W17826 - N5150 E17921 - N5206 E17940 - N5202 W17802. SFC/FL100. JWC OCT 2021 AAWU PLEASE ENSURE ALL FUTURE SIGMETS USE THIS FIR INDICATOR IF YOU BELIEVE THIS CHANGE TO BE INCORRECT PLEASE ADVISE THIS STATION BY AFTN MESSAGE TO EGGYYBYA REGARDS SADIS GATEWAY OPERATOR