Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows:
FVAU02 at 23:56 UTC, 13/04/26 from ADRM
VA ADVISORY
DTG: 20260414/0000Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/425
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL160 OBS AT 13/2340Z MOV NW
OBS VA DTG: 13/2340Z
OBS VA CLD: SFC/FL160 S0807 E11259 – S0811 E11255 – S0803
E11236 – S0751 E11244 MOV NW 05KT
FCST VA CLD +6 HR: 14/0540Z SFC/FL160 S0806 E11300 – S0812
E11255 – S0759 E11226 – S0747 E11231 – S0744 E11242
FCST VA CLD +12 HR: 14/1140Z SFC/FL160 S0808 E11300 – S0811
E11254 – S0757 E11236 – S0746 E11241 – S0747 E11254
FCST VA CLD +18 HR: 14/1740Z SFC/FL160 S0810 E11253 – S0755
E11246 – S0748 E11253 – S0754 E11301 – S0810 E11259
RMK: INTERMITTENT DISCRETE VA EMISSIONS IDENTIFIABLE ON
LATEST SAT IMAGERY MOVING NW FROM SUMMIT. VA HEIGHT BASED ON
CVGHM GROUND REPORTS. MOVEMENT BASED ON SAT IMG AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260414/0600Z=