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Semisopochnoi Volcano Volcanic Ash Advisory: SPORADIC VA EMISSIONS CONTINUE to 6000 ft (1800 m)

Thu, 23 Dec 2021, 12:45
12:45 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 and is moving at 25 kts in NNW direction.
The full report is as follows:

FVAK21 at 12:29 UTC, 23/12/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20211223/1221Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/205

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: SPORADIC VA EMISSIONS CONTINUE

OBS VA DTG: 23/1221Z

OBS VA CLD: SFC/FL060 N5405 W17935 - N5149 E17959 - N5152 E17910
- N5413 E17710 - N5405 W17935 MOV NNW 25KT

FCST VA CLD +6HR: 23/1821Z SFC/FL060 N5415 W17909 - N5151 W17958
- N5153 E17912 - N5426 E17804 - N5415 W17909 - N5415 W17909

FCST VA CLD +12HR: 24/0021Z NO VA EXP

FCST VA CLD +18HR: 24/0621Z NO VA EXP

RMK: N/A

NXT ADVISORY: WILL BE ISSUED BY 20211223/1821Z

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