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Hunga Tonga-Hunga Ha'apai Volcano Volcanic Ash Advisory: ONGOING INTERMITTENT ERUPTION OBS VA DTG: 29/1635Z to 25000 ft (7600 m)

Wed, 29 Dec 2021, 16:45
16:45 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 25000 ft (7600 m) altitude or flight level 250 and is moving at 10 kts in N direction.
The full report is as follows:

FVPS01 at 16:35 UTC, 29/12/21 from NZKL
VA ADVISORY
DTG: 20211229/1635Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/43
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 29/1635Z
OBS VA CLD: SFC/FL250 S2045 W17530 - S1945 W17530 - S1945
W17515 - S2030 W17500 MOV N 10KT
FCST VA CLD +6 HR: 29/2235Z SFC/FL250 S2045 W17530 - S1945
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +12 HR: 30/0435Z SFC/FL250 S2045 W17530 - S1945
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +18 HR: 30/1035Z SFC/FL250 S2045 W17530 - S1945
W17530 - S1945 W17515 - S2030 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. STEAM AND GAS CLD TO
FL400 DRIFTING NORTHWARD.
NXT ADVISORY: NO LATER THAN 20211229/2235Z=

Previous news

Wed, 29 Dec 2021, 16:25
The eruption at Hunga Tonga-Hunga Ha'apai continued intermittently during 29 December 2021 to 4 January 2022, though by 3 January activity had significantly decreased. Several surges of Surtseyan activity, with some periods lasting as long as 30 minutes, occurred during 28-29 December; gas, steam, and ash plumes rose at least to 12.2 km (40,000 ft) a.s.l. and drifted N, though the maximum altitude of the ash-rich portion of the plume was lower. ... Read all
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