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Semisopochnoi Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUE. to 12000 ft (3700 m)

Tue, 21 Sep 2021, 01:00 | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 15 kts in NW direction.
The full report is as follows:

FVAK21 at 00:54 UTC, 21/09/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20210921/0047Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/129

INFO SOURCE: HIMAWARI/GOES

AVIATION COLOR CODE: RED

ERUPTION DETAILS: VA EMISSIONS CONTINUE.

OBS VA DTG: 21/0047Z

OBS VA CLD: SFC/FL120 N5511 E17916 - N5150 E17954 - N5147 E17928
- N5454 E17701 - N5511 E17916 MOV NW 15KT.

FCST VA CLD +6HR: 21/0647Z SFC/FL120 N5529 E17823 - N5153 E17958
- N5147 E17932 - N5504 E17623 - N5529 E17823.

FCST VA CLD +12HR: 21/1247Z SFC/FL120 N5539 E17708 - N5154
E17959 - N5146 E17925 - N5510 E17450 - N5539 E17708.

FCST VA CLD +18HR: 21/1847Z SFC/FL120 N5542 E17542 - N5155
E17959 - N5146 E17922 - N5444 E17417 - N5542 E17542 - N5542
E17542.

RMK: VA EMISSIONS EVIDENT ON SATELLITE IMAGERY.

NXT ADVISORY: WILL BE ISSUED BY 20210921/0647Z

BL SEP 2021 AAWU

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Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Current status: normal or dormant (1 out of 5) Semisopochnoi volcano eruptions:
2021, 2020, 2019, 2018, 1987
Typical eruption style
unspecified