FVFE01 RJTD 202216
VAAAK1
VA ADVISORY

DTG: 20210920/2158Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2021/128

INFO SOURCE: HIMAWARI/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: VA EMISSIONS CONTINUE. INCREASED FREQUENCY
AND INTENSITY CURRENTLY PRODUCING A STEADY STREAM ASH CLOUDS
NORTH OF MT CERBERUS.

OBS VA DTG: 20/2158Z

OBS VA CLD: SFC/FL150 N5327 E17653 - N5309 W17953 - N5145 W17942
- N5157 E17831 - N5327 E17653 MOV NW 15KT.

FCST VA CLD +6HR: 21/0358Z SFC/FL150 N5347 E17658 - N5339 W17925
- N5152 E17947 - N5159 E17808 - N5323 E17630 - N5347 E17658.

FCST VA CLD +12HR: 21/0958Z SFC/FL150 N5352 E17635 - N5328
W17949 - N5154 E17937 - N5202 E17748 - N5322 E17622 - N5352
E17635.

FCST VA CLD +18HR: 21/1558Z SFC/FL150 N5415 E17640 - N5359
E17940 - N5157 E17918 - N5206 E17744 - N5315 E17550 - N5415
E17640 - N5415 E17640.

RMK: VA VISIBLE ON HIMAWARI ASH DUST AND SO2 RGB PRODUCTS.

NXT ADVISORY: WILL BE ISSUED BY 20210921/0358Z

KH SEP 2021 AAWU=