Semisopochnoi Volcano Volcanic Ash Advisory: OCNL ERUPTIONS. to 7000 ft (2100 m)

Fri, 5 Nov 2021, 06:15

06:15 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 10 kts in E direction.
The full report is as follows:

FVAK22 at 06:13 UTC, 05/11/21 from PAWU
VAAAK2
VA ADVISORY

DTG: 20211105/0612Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/186

INFO SOURCE: HIMAWARI/GOES 17/WEBICORDER

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: OCNL ERUPTIONS.

OBS VA DTG: 05/0612Z

OBS VA CLD: SFC/FL070 N5211 E17919 - N5159 W17847 - N5134 W17918
- N5152 E17914 - N5211 E17919 MOV E 10KT

FCST VA CLD +6HR: 05/1212Z SFC/FL070 N5232 E17904 - N5225 W17817
- N5148 W17851 - N5151 E17913 - N5232 E17904 - N5232 E17904

FCST VA CLD +12HR: 05/1812Z NO VA EXP

FCST VA CLD +18HR: 06/0012Z NO VA EXP

RMK: THERE HAS BEEN AN UPTICK IN SEISMIC ACTIVITY PER WEBICORDER DATA. TRANSPORT

WINDS ARE GENERALLY DRIFTING VA TO THE E THOUGH IN COMING HRS TRANSPORT FLOW BEC
OMES
MORE OUT OF THE SOUTHWEST WHICH MAY PUSH VA TO NRN QUADRANTS OF VOLCANO SUMMIT.
VA SIGNAL OBS IN SATELLTIE IMAGERY. ..JAM

NXT ADVISORY: WILL BE ISSUED BY 20211105/1212Z

All news about: Semisopochnoi volcano
Information about: Semisopochnoi volcano

Previous news

Wed, 3 Nov 2021, 06:00

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 November-9 November 2021 (Continuing Activity)

AVO reported that eruptive activity at Semisopochnoi's North Cerberus crater continued during 2-9 November. Daily tremor and minor explosions were detected in seismic and infrasound data. Several small low-level ash plumes were visible in webcam data rising to an estimated altitude of 1.5 (5,000 ft) a.s.l. during 2-3 November. ... Read all

Tue, 2 Nov 2021, 11:30

Semisopochnoi Volcano Volcanic Ash Advisory: NO VA OBSERVED

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