Shishaldin volcano news & activity updates:

Updated: Sep 24, 2021 04:53 GMT

Shishaldin Volcano Volcanic Ash Advisory: RESIDUAL VA FM 20200119/0900Z ERUPTION to 20000 ft (6100 m)

Mon, 20 Jan 2020, 23:00
23:00 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 20 kts in E direction.
The full report is as follows:

FVAK21 at 22:56 UTC, 20/01/20 from PAWU
VAAAK1
VA ADVISORY

DTG: 20200120/2300Z

VAAC: ANCHORAGE

VOLCANO: SHISHALDIN 311360

PSN: N5445 W16358

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 9374 FT [2857 M]

ADVISORY NR: 2020/025

INFO SOURCE: HIMAWARI/GOES/POES

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: RESIDUAL VA FM 20200119/0900Z ERUPTION

OBS VA DTG: 20/2300Z

OBS VA CLD: SFC/FL200 N5441 W15846 - N5626 W15247 - N5302 W15053
- N5159 W15849 - N5441 W15846 MOV E 20KT.

FCST VA CLD +6HR: 21/0500Z SFC/FL200 N5547 W15521 - N5705 W14745
- N5249 W14631 - N5211 W15444 - N5547 W15521.

FCST VA CLD +12HR: 21/1100Z SFC/FL200 N5642 W15256 - N5739
W14346 - N5123 W14139 - N5046 W15111 - N5642 W15256.

FCST VA CLD +18HR: 21/1700Z NO VA EXP.

RMK: T+0 CONFIDENCE HIGH.
THIS ADVISORY UPDATES AND REPLACES PREVIOUS VAA TO ACCOUNT FOR SLOWER
OBSERVED MOVEMENT AND HEIGHT ESTIMATE BASED ON MOVEMENT. VA IS MOVING
MUCH MORE SLOWLY THAN PREVIOUS VAA ESTIMATED AND MUST BE LOWER TOPPED.
VA SIGNAL HAS WEAKENED A BIT BUT REMAINS QUITE STRONG IN SAT IMAGES.
CONFIDENCE IN LOCATION IS HIGH WHILE CONFIDENCE IN ELEVATION IS LOW.

NXT ADVISORY: WILL BE ISSUED BY 20200121/0500Z

DB JAN 2020 AAWU

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