Volcanic Ash Advisory Text
FVFE01 RJTD 140032
VAAAK1
VA ADVISORY

DTG: 20210814/0020Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2021/057

INFO SOURCE: HIMAWARI/AVO/WEB CAM

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: SMALL VA ERUPTIONS HAVE BEEN OCCURRING.

OBS VA DTG: 14/0020Z

OBS VA CLD: SFC/FL100 N5221 E17957 - N5118 E17948 - N5140 E17803
- N5220 E17823 - N5221 E17957 MOV WNW 15KT.

FCST VA CLD +6HR: 14/0620Z SFC/FL100 N5221 E17955 - N5117 E17949
- N5127 E17542 - N5237 E17609 - N5221 E17955.

FCST VA CLD +12HR: 14/1220Z SFC/FL100 N5222 E17956 - N5118
E17948 - N5129 E17406 - N5250 E17438 - N5222 E17956.

FCST VA CLD +18HR: 14/1820Z SFC/FL100 N5223 E17955 - N5120
E17948 - N5060 E17142 - N5248 E17236 - N5223 E17955 - N5223
E17955.

RMK: VA NOT EASILY IDETIFIABLE BECAUSE OF MET CLDS OBSC VIEW.
WEB CAM AND SENSORS HAVE COMFIRMED ERUPTIVE ACTIVITY WITH
VA EMISSIONS.

NXT ADVISORY: WILL BE ISSUED BY 20210814/0620Z

BH AUG 2021 AAWU=

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