Document: 6870 | Created: 13:05 04/21/2021 UTC | Page: 01 Description: VOLC | Ash Cloud Forecast | Tokyo VAAC| _______________________________________________________________________ FVFE01 RJTD 210601 VA ADVISORY DTG: 20210421/0601Z VAAC: TOKYO VOLCANO: SAKURAJIMA (AIRA CALDERA) 282080 PSN: N3136 E13039 AREA: JAPAN SUMMIT ELEV: 1117M ADVISORY NR: 2021/264 INFO SOURCE: HIMAWARI-8 AVIATION COLOUR CODE: NIL ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 21/0520Z OBS VA CLD: SFC/FL080 N3154 E12950 - N3149 E12958 - N3141 E12949 - N3145 E12939 MOV NW 20KT FCST VA CLD +6 HR: 21/1120Z SFC/FL090 N3307 E12842 - N3221 E13007 - N3157 E12954 - N3243 E12831 - N3204 E12843 - N3239 E12752 - N3308 E12753 FCST VA CLD +12 HR: 21/1720Z SFC/FL100 N3500 E12655 - N3228 E13016 - N3207 E12933 - N3350 E12737 - N3322 E12729 - N3409 E12635 - N3458 E12626 FCST VA CLD +18 HR: NO VA EXP RMK: VA OF PREVIOUS VAA(FL090) HAS DISSIPATED IN SATELLITE IMAGERY. NXT ADVISORY: 20210421/1200Z= FVFE01 RJTD 210624 VA ADVISORY DTG: 20210421/0624Z VAAC: TOKYO VOLCANO: SUWANOSEJIMA 282030 PSN: N2938 E12943 AREA: JAPAN SUMMIT ELEV: 796M ADVISORY NR: 2021/222 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/0432Z FL050 EXTD W OBS VA DTG: 21/0550Z OBS VA CLD: SFC/FL050 N2942 E12919 - N2944 E12930 - N2937 E12931 - N2936 E12919 MOV W 20KT FCST VA CLD +6 HR: 21/1150Z SFC/FL080 N3047 E12733 - N3004 E12826 - N2959 E12802 - N3017 E12709 - N3040 E12700 FCST VA CLD +12 HR: 21/1750Z SFC/FL080 N3238 E12543 - N3121 E12708 - N3059 E12643 - N3139 E12553 - N3110 E12538 - N3200 E12458 FCST VA CLD +18 HR: NO VA EXP RMK: NIL NXT ADVISORY: 20210421/1200Z= FVFE01 RJTD 210846 VA ADVISORY DTG: 20210421/0846Z VAAC: TOKYO VOLCANO: SUWANOSEJIMA 282030 PSN: N2938 E12943 AREA: JAPAN SUMMIT ELEV: 796M ADVISORY NR: 2021/223 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/0828Z OVER FL040 EXTD W OBS VA DTG: 21/0820Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 280/29KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES= FVFE01 RJTD 210929 VA ADVISORY DTG: 20210421/0929Z VAAC: TOKYO VOLCANO: SUWANOSEJIMA 282030 PSN: N2938 E12943 AREA: JAPAN SUMMIT ELEV: 796M ADVISORY NR: 2021/224 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/0828Z OVER FL040 EXTD W OBS VA DTG: 21/0900Z OBS VA CLD: SFC/FL050 N2944 E12933 - N2941 E12947 - N2935 E12944 - N2938 E12932 MOV W 20KT FCST VA CLD +6 HR: 21/1500Z SFC/FL080 N3019 E12827 - N3009 E12812 - N3025 E12720 - N3052 E12713 - N3101 E12730 FCST VA CLD +12 HR: 21/2100Z SFC/FL080 N3148 E12729 - N3124 E12715 - N3132 E12526 - N3226 E12524 - N3256 E12608 FCST VA CLD +18 HR: NO VA EXP RMK: NIL NXT ADVISORY: 20210421/1200Z= FVFE01 RJTD 210944 VA ADVISORY DTG: 20210421/0944Z VAAC: TOKYO VOLCANO: SAKURAJIMA (AIRA CALDERA) 282080 PSN: N3136 E13039 AREA: JAPAN SUMMIT ELEV: 1117M ADVISORY NR: 2021/265 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/0933Z OVER FL060 EXTD NW OBS VA DTG: 21/0930Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 300/21KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES= FVFE01 RJTD 210955 VA ADVISORY DTG: 20210421/0955Z VAAC: TOKYO VOLCANO: SAKURAJIMA (AIRA CALDERA) 282080 PSN: N3136 E13039 AREA: JAPAN SUMMIT ELEV: 1117M ADVISORY NR: 2021/266 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/0933Z FL060 EXTD NW OBS VA DTG: 21/0940Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL060 100/11KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES= FVFE01 RJTD 211110 VA ADVISORY DTG: 20210421/1110Z VAAC: TOKYO VOLCANO: SUWANOSEJIMA 282030 PSN: N2938 E12943 AREA: JAPAN SUMMIT ELEV: 796M ADVISORY NR: 2021/225 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/1053Z OVER FL040 EXTD W OBS VA DTG: 21/1050Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 280/26KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES= FVFE01 RJTD 211202 VA ADVISORY DTG: 20210421/1202Z VAAC: TOKYO VOLCANO: SUWANOSEJIMA 282030 PSN: N2938 E12943 AREA: JAPAN SUMMIT ELEV: 796M ADVISORY NR: 2021/226 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20210421/1053Z OVER FL040 EXTD W OBS VA DTG: 21/1130Z OBS VA CLD: SFC/FL060 N2945 E12931 - N2940 E12944 - N2936 E12942 - N2941 E12929 MOV W 25KT FCST VA CLD +6 HR: 21/1730Z SFC/FL080 N3038 E12823 - N3026 E12819 - N3038 E12721 - N3106 E12710 - N3117 E12728 FCST VA CLD +12 HR: 21/2330Z SFC/FL090 N3202 E12739 - N3148 E12723 - N3151 E12535 - N3228 E12513 - N3312 E12603 FCST VA CLD +18 HR: NO VA EXP RMK: NIL NXT ADVISORY: 20210421/1800Z= FVFE01 RJTD 211228 VA ADVISORY DTG: 20210421/1228Z VAAC: TOKYO VOLCANO: SAKURAJIMA (AIRA CALDERA) 282080 PSN: N3136 E13039 AREA: JAPAN SUMMIT ELEV: 1117M ADVISORY NR: 2021/267 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: ERUPTED AT 20210421/1213Z FL070 EXTD SW OBS VA DTG: 21/1210Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL070 090/12KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=