Manam Volcano Volcanic Ash Advisory: VA TO FL080 OBS AT 05/0030Z MOV SW. to 8000 ft (2400 m)

Satellite image of Manam volcano on 5 Dec 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 .
The full report is as follows:

FVAU01 at 05:00 UTC, 05/12/25 from ADRM
VA ADVISORY
DTG: 20251205/0500Z
VAAC: DARWIN
VOLCANO: MANAM 251020
PSN: S0405 E14502
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1807M AMSL
ADVISORY NR: 2025/32
INFO SOURCE: HIMAWARI-9 RVO WEBCAM
ERUPTION DETAILS: VA TO FL080 OBS AT 05/0030Z MOV SW.
EST VA DTG: 05/0440Z
EST VA CLD: SFC/FL080 S0403 E14505 – S0422 E14507 – S0423
E14449 – S0410 E14444 – S0401 E14501 MOV SW 05KT
FCST VA CLD +6 HR: 05/1040Z SFC/FL080 S0402 E14500 – S0402
E14505 – S0420 E14510 – S0424 E14459 – S0415 E14447
FCST VA CLD +12 HR: 05/1640Z SFC/FL080 S0403 E14459 – S0401
E14503 – S0411 E14518 – S0423 E14510 – S0421 E14456
FCST VA CLD +18 HR: 05/2240Z SFC/FL080 S0404 E14458 – S0401
E14502 – S0412 E14521 – S0424 E14504
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. HEIGHT AND MOV
BASED ON MODEL GUIDANCE AND HIMAWARI-9 SAT.
NXT ADVISORY: NO LATER THAN 20251205/1100Z=