Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU04 at 12:01 UTC, 04/06/26 from ADRM
VA ADVISORY
DTG: 20260604/1200Z
VAAC: DARWIN
VOLCANO: CENTRAL BISMARCK SEA 250030
PSN: S0302 E14747
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1299M BLW MSL
ADVISORY NR: 2026/89
INFO SOURCE: HIMAWARI-9, RVO
ERUPTION DETAILS: PLUME TO FL120 OBS EXTENDING NW
EST VA DTG: 04/1140Z
EST VA CLD: SFC/FL120 S0315 E14754 – S0301 E14708 – S0232
E14718 – S0223 E14746 – S0307 E14804 MOV NW 10KT
FCST VA CLD +6 HR: 04/1740Z SFC/FL120 S0314 E14757 – S0306
E14709 – S0240 E14712 – S0218 E14741 – S0306 E14804
FCST VA CLD +12 HR: 04/2340Z SFC/FL120 S0315 E14756 – S0304
E14708 – S0237 E14715 – S0224 E14742 – S0307 E14804
FCST VA CLD +18 HR: 05/0540Z SFC/FL120 S0315 E14757 – S0307
E14706 – S0235 E14714 – S0225 E14742 – S0305 E14804
RMK: VA EMISSION PARTIALLY IDENTIFIABLE ON RGB SATELLITE
IMAGERY EXTENDING TO THE NW BUT PLUME LARGELY OBSCURED DUE
TO MET CLOUD AND DARKNESS. VA HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260604/1800Z=