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Shishaldin Volcano Volcanic Ash Advisory: RESIDUAL VA FM 20200119/0900Z ERUPTION. to 30000 ft (9100 m)

Mon, 20 Jan 2020, 12:30
12:30 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 30000 ft (9100 m) altitude or flight level 300 and is moving at 30 kts in ESE direction.
The full report is as follows:

FVAK21 at 12:16 UTC, 20/01/20 from PAWU
VAAAK1
VA ADVISORY

DTG: 20200120/1215Z

VAAC: ANCHORAGE

VOLCANO: SHISHALDIN 311360

PSN: N5445 W16358

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 9374 FT [2857 M]

ADVISORY NR: 2020/023

INFO SOURCE: HIMAWARI/GOES 17

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: RESIDUAL VA FM 20200119/0900Z ERUPTION.

OBS VA DTG: 20/1215Z

OBS VA CLD: SFC/FL300 N5510 W15532 - N5333 W15536 - N5257 W16134
- N5429 W16157 - N5510 W15532 MOV ESE 30KT.

FCST VA CLD +6HR: 20/1815Z SFC/FL300 N5425 W15008 - N5208 W15136
- N5212 W15939 - N5409 W15952 - N5425 W15008.

FCST VA CLD +12HR: 21/0015Z SFC/FL300 N5307 W14655 - N5028
W14842 - N5156 W15655 - N5323 W15609 - N5307 W14655 - N5307
W14655.

FCST VA CLD +18HR: 21/0615Z NO VA EXP.

RMK: STG VA SIGNAL PRSTS IN SATELLITE IMAGERY. TRANSPORT WINDS UPSTREAM
OF THE VA AREA ARE INTSF WITH APCH OF JET STREAM. VA MOV ESE 30KT BUT THERE
IS INHERENT UNCERTAINTY IN HOW MUCH SHEARING/ELONGATION OR DISSIPATION OF
AREA MAY OCCUR AS JET STREAM APPROACHES.

NXT ADVISORY: WILL BE ISSUED BY 20200120/1815Z

JAM JAN 2020 AAWU

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