Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU05 at 23:27 UTC, 29/07/26 from ADRM
VA ADVISORY
DTG: 20260729/2327Z
VAAC: DARWIN
VOLCANO: MARAPI 261140
PSN: S0023 E10028
AREA: INDONESIA
SOURCE ELEV: 2885M AMSL
ADVISORY NR: 2026/77
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION REPORTED AT 29/2239Z
EST VA DTG: 29/2310Z
EST VA CLD: SFC/FL120 S0022 E10024 – S0018 E10028 – S0021
E10038 – S0029 E10030 MOV SE 05KT
FCST VA CLD +6 HR: 30/0510Z NO VA EXP
FCST VA CLD +12 HR: 30/1110Z NO VA EXP
FCST VA CLD +18 HR: 30/1710Z NO VA EXP
RMK: CVGHM REPORTED ERUPTION AT 29/2239Z. VA NOT
IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD. VA IS EXPECTED
TO DISSIPATE WITHIN 3HRS. HEIGHT AND MOV BASED ON MODELS.
NXT ADVISORY: NO LATER THAN 20260730/0527Z=