FVFE01 RJTD 222349
VAAAK1
VA ADVISORY

DTG: 20210922/2340Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2021/137

INFO SOURCE: HIMAWARI

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: INTERMITTENT LOW LEVEL ERUPTIONS CONTINUING.

OBS VA DTG: 22/2340Z

OBS VA CLD: SFC/FL100 N5240 E17851 - N5225 E17956 - N5112 E17921
- N5151 E17808 - N5240 E17851 MOV SW 10KT.

FCST VA CLD +6HR: 23/0540Z SFC/FL100 N5260 W17932 - N5155 E17947
- N5202 E17900 - N5259 E17849 - N5260 W17932 - N5260 W17932.

FCST VA CLD +12HR: 23/1140Z NO VA EXP.

FCST VA CLD +18HR: 23/1740Z NO VA EXP.

RMK: INTERMITTENT LOW LEVEL ERUPTIONS CONTINUE. A SMALL PUFF WAS
OBSERVED AT 2340Z ON HIMAWARI IMAGERY BETWEEN SEMISOPOCHNOI AND
AMCHITKA ISLAND. TRANSPORT WINDS ARE EXPECTED TO SHIFT TO THE SOUTH
AFTER 06Z.

NXT ADVISORY: WILL BE ISSUED BY 20210923/0540Z

NS SEP 2021 AAWU=