WVAK01 PAWU 190606 PAZA SIGMET INDIA 3 VALID 190559/191159 PANC- ANCHORAGE OCEANIC FIR VA ERUPTION KARYMSKY VOLCANO PSN N5403 E15927 VA CLDS OBS AT 0559Z WI N5316 E16647 - N5027 E16817 - N4955 E16445 - N5204 E16339 - N5316 E16647. SFC/FL280. MOV SSE 25KT. WKN. FCST 1159Z VA CLD WI N5319 E16649 - N4812 E16854 - N4804 E16415 - N5200 E16336 - N5319 E16649. SFC/FL280. BH MAY 2022 AAWU PLEASE ENSURE ALL FUTURE SIGMETS CONFORM TO THE FORMAT SPECIFIED IN ICAO ANNEX 3 CHAPTER 7 AND APPENDIX 6. REGARDS SADIS GATEWAY OPERATOR