Semisopochnoi Volcano Volcanic Ash Advisory: ONGOING ERUPTION AS OF 20210402/0550Z. to 10000 ft (3000 m)

Fri, 2 Apr 2021, 08:00
08:00 AM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 35 kts in ENE direction.
The full report is as follows:

FVAK21 at 07:48 UTC, 02/04/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20210402/0747Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/001

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: ONGOING ERUPTION AS OF 20210402/0550Z.

OBS VA DTG: 02/0747Z

OBS VA CLD: SFC/FL100 N5422 W17556 - N5338 W17453 - N5138 E17952
- N5207 E17913 - N5422 W17556 MOV ENE 35KT.

FCST VA CLD +6HR: 02/1347Z SFC/FL100 N5542 W17151 - N5542 W17148
- N5426 W17032 - N5136 E17953 - N5205 E17908 - N5542 W17151.

FCST VA CLD +12HR: 02/1947Z SFC/FL100 N5557 W16602 - N5424
W16643 - N5355 W17336 - N5137 W17959 - N5204 E17912 - N5512
W17350 - N5557 W16602.

FCST VA CLD +18HR: 03/0147Z SFC/FL100 N5542 W16309 - N5423
W16412 - N5409 W17205 - N5133 E17954 - N5204 E17907 - N5527
W17053 - N5542 W16309 - N5542 W16309.

RMK: STG VA SIGNAL OBS IN SATELLITE IMAGERY EXTENDING NE OF THE VOLCANO
SUMMIT.

NXT ADVISORY: WILL BE ISSUED BY 20210402/1347Z

JAM APR 2021 AAWU



Previous news

Mon, 22 Mar 2021, 09:15
The infrasound sensors of the Alaska Volcano Observatory detected a small explosion at the volcano at 02:30 local time yesterday followed by a series of smaller explosions. ... Read all
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