Semisopochnoi Volcano Volcanic Ash Advisory: OCNL LOW-LVL EMISSIONS. to 7000 ft (2100 m)

Fri, 14 Jan 2022, 01:15
01:15 AM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 15 kts in S direction.
The full report is as follows:

FVAK21 at 01:03 UTC, 14/01/22 from PAWU
VAAAK1
VA ADVISORY

DTG: 20220114/0057Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2022/004

INFO SOURCE: HIMAWARI/GOES 17/AVO

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: OCNL LOW-LVL EMISSIONS.

OBS VA DTG: 14/0057Z

OBS VA CLD: SFC/FL070 N5200 E17946 - N4954 W17759 - N4924 E17753
- N5202 E17926 - N5200 E17946 MOV S 15KT

FCST VA CLD +6HR: 14/0657Z SFC/FL070 N5159 E17952 - N4940 W17630
- N4926 W17814 - N5009 E17759 - N5201 E17927 - N5159 E17952

FCST VA CLD +12HR: 14/1257Z SFC/FL070 N5200 E17950 - N4937
W17754 - N4950 E17820 - N5200 E17916 - N5200 E17950 - N5200 E17950

FCST VA CLD +18HR: 14/1857Z NO VA EXP

RMK: EMISSIONS OCCURING AT SEMISOPOCHNOI PER VARIOUS SATELLITE IMAGERIES.
WEBCAM IMAGERY ALSO SUGGESTS PRESENCE OF VA. ...JAM

NXT ADVISORY: WILL BE ISSUED BY 20220114/0657Z



Previous news

Wed, 5 Jan 2022, 15:42
AVO reported that low-level eruptive activity and elevated seismicity at Semisopochnoi's North Cerberus crater continued during 4-11 January. Almost daily explosions (one per day during 4-8 January and a few during 10-11 January) were recorded by the local seismic network. The weather was mostly cloudy, though ash and/or steam plumes were occasionally visible in webcam images. ... Read all
Sun, 2 Jan 2022, 12:05
Explosion at Semisopochnoi volcano yesterday (image: AVO)
The Alaska Volcano Observatory's (AVO) surveillance cameras observed small-to-moderate explosions yesterday from the summit vent. ... Read all
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