FVFE01 RJTD 172223
VAAAK1
VA ADVISORY

DTG: 20220517/2217Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2022/038

INFO SOURCE: HIMAWARI/GOES 17

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: CONTINUOUS LOW-LVL ERUPTION.

OBS VA DTG: 17/2217Z

OBS VA CLD: SFC/FL050 N5328 E17834 - N5157 E17955 - N5152 E17932
- N5319 E17749 - N5328 E17834 MOV NNW 10KT

FCST VA CLD +6HR: 18/0417Z SFC/FL050 N5340 E17914 - N5156 E17948
- N5152 E17931 - N5324 E17818 - N5340 E17914 - N5340 E17914

FCST VA CLD +12HR: 18/1017Z NO VA EXP

FCST VA CLD +18HR: 18/1617Z NO VA EXP

RMK: THE VOLCANO SUMMIT HAS NOW BECM OBSCURED IN WEBCAM IMAGERY. SATE
LLITE
IMAGERY IS SOMEWHAT INCONCLUSIVE DUE TO THE PRESENCE OF METEOROLOGICA
L CLDS
BUT SMALL VA SIGNAL OBS. ADNLY SEISMIC ACTIVITY IN WEBICORDER HAS BEE
N LARGELY
UNCHANGED FOR DAYS AND BELIEVE SOME CONTINUITY IS APPROPRIATE OF ISSU
ANCE
IS APPROPRIATE. ...JAM

NXT ADVISORY: WILL BE ISSUED BY 20220518/0417Z=