Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 5000 ft (1500 m) altitude or flight level 050 and is moving at 10 kts in NW direction.
The full report is as follows:
FVPS01 at 13:01 UTC, 04/01/26 from NZKL
VA ADVISORY
DTG: 20260104/1301Z
VAAC: WELLINGTON
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SUMMIT ELEV: 1496M
ADVISORY NR: 2026/9
INFO SOURCE: H9 SATELLITE
AVIATION COLOUR CODE: UNKNOWN
ERUPTION DETAILS: ERUPTION AT 20260104/0130Z LOW LEVEL
ERUPTION
OBS VA DTG: 04/1301Z
OBS VA CLD: SFC/FL050 S1526 E16756 – S1528 E16743 – S1501
E16731 – S1407 E16746 – S1426 E16821 MOV NW 10KT
FCST VA CLD +6 HR: 04/1901Z SFC/FL050 S1528 E16758 – S1528
E16741 – S1456 E16727 – S1427 E16747 – S1429 E16820
FCST VA CLD +12 HR: 05/0101Z SFC/FL050 S1527 E16757 – S1527
E16741 – S1456 E16726 – S1429 E16745 – S1446 E16813
FCST VA CLD +18 HR: 05/0701Z NO VA EXP
RMK: MAIN ERUPTION APPEARS TO HAVE STOPPED 06Z, SMALL AMOUNT
ON ONGOING ASH, TOPS AND FORECAST LOCATIONS BASED ON EC
MODEL.
NXT ADVISORY: NO LATER THAN 20260104/1901Z=