Document: 6860 | Created: 13:50 04/21/2021 UTC | Page: 01
Description: VOLC | Ash Cloud Forecast       | Darwin VAAC|
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FVAU02 ADRM 210605
VA ADVISORY
DTG: 20210421/0605Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2021/32
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: REGULAR DISCRETE VA EMISSION TO FL060 MOV
        E
OBS VA DTG: 21/0605Z
OBS VA CLD: SFC/FL060 N0128 E12737 - N0131 E12737 - N0144
        E12815 - N0124 E12817 MOV E 15KT
FCST VA CLD +6 HR: 21/1205Z SFC/FL060 N0128 E12737 - N0130
        E12736 - N0152 E12808 - N0134 E12817
FCST VA CLD +12 HR: 21/1805Z SFC/FL060 N0128 E12737 - N0130
        E12736 - N0152 E12808 - N0134 E12817
FCST VA CLD +18 HR: 22/0005Z SFC/FL060 N0128 E12738 - N0130
        E12736 - N0156 E12759 - N0142 E12812
RMK: DISCRETE VA EMISSIONS DISCERNIBLE ON LATEST SATELLITE
        IMAGERY MOV E. INDIVIDUAL EMISSIONS QUICKLY DISSIPATING.
        HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL
        GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210421/1205Z=

FVAU03 ADRM 210955
VA ADVISORY
DTG: 20210421/0955Z
VAAC: DARWIN
VOLCANO: SINABUNG 261080
PSN: N0310 E09824
AREA: INDONESIA
SUMMIT ELEV: 2460M
ADVISORY NR: 2021/112
INFO SOURCE: HIMAWARI-8, GROUND REPORT
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION OBSERVED BY GROUND OBSERVERS.
OBS VA DTG: 21/0955Z
OBS VA CLD:
FCST VA CLD +6 HR: 21/1555Z NOT AVBL
FCST VA CLD +12 HR: 21/2155Z NOT AVBL
FCST VA CLD +18 HR: 22/0355Z NOT AVBL
RMK: GROUND OSBERVERS REPORTED ERUPTION. SEISMIC GRAPH SHOWS
        DECENT SEISMIC ACTIVITY AT THE VOLCANO. VA UNIDENTIFIABLE ON
        LATEST SATELLITE IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

FVAU01 ADRM 211040
VA ADVISORY
DTG: 20210421/1040Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0141 E12753
AREA: INDONESIA
SUMMIT ELEV: 1335M
ADVISORY NR: 2021/287
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070 MOV E
OBS VA DTG: 21/1040Z
OBS VA CLD: SFC/FL070 N0139 E12752 - N0143 E12751 - N0154
        E12801 - N0202 E12825 - N0210 E13003 - N0132 E13005 - N0142
        E12839 MOV E 15KT
FCST VA CLD +6 HR: 21/1640Z SFC/FL070 N0139 E12753 - N0142
        E12751 - N0159 E12807 - N0214 E12947 - N0133 E12951
FCST VA CLD +12 HR: 21/2240Z SFC/FL070 N0139 E12753 - N0142
        E12751 - N0206 E12815 - N0219 E12917 - N0209 E12951 - N0137
        E12956
FCST VA CLD +18 HR: 22/0440Z SFC/FL070 N0138 E12751 - N0143
        E12749 - N0241 E12852 - N0243 E12918 - N0219 E12940 - N0154
        E12922
RMK: VA CLEARLY SEEN ON LATEST SATELLITE IMAGERY MOV E. VA
        HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL
        GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210421/1640Z=

FVAU02 ADRM 211205
VA ADVISORY
DTG: 20210421/1205Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2021/33
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: REGULAR DISCRETE VA EMISSION TO FL060 MOV
        E LAST OBS 21/0930Z
OBS VA DTG: 21/1205Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
        SFC/FL060 270/10KT
FCST VA CLD +6 HR: 21/1805Z NO VA EXP
FCST VA CLD +12 HR: 22/0005Z NO VA EXP
FCST VA CLD +18 HR: 22/0605Z NO VA EXP
RMK: VA FROM VOLCANO IBU HAS NOW DISSIPATED. NO SIGNS OF NEW
        OR ONGOING ERUPTION. HOTSPOT EVIDENT AT THE VOLCANO.
NXT ADVISORY: NO FURTHER ADVISORIES=