FVFE01 RJTD 171626
VAAAK1
VA ADVISORY

DTG: 20220517/1617Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2022/037

INFO SOURCE: WEBCAMERA

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: CONTINUOUS LOW-LVL ERUPTION.

OBS VA DTG: 17/1617Z

OBS VA CLD: SFC/FL050 N5305 E17743 - N5201 E17958 - N5148 E17932
- N5250 E17723 - N5305 E17743 MOV NNW 5KT

FCST VA CLD +6HR: 17/2217Z SFC/FL050 N5328 E17834 - N5157 E17955
- N5151 E17932 - N5319 E17741 - N5328 E17834

FCST VA CLD +12HR: 18/0417Z SFC/FL050 N5341 E17918 - N5156
E17951 - N5152 E17931 - N5325 E17818 - N5341 E17918

FCST VA CLD +18HR: 18/1017Z SFC/FL050 N5344 E17946 - N5157
E17951 - N5155 E17928 - N5335 E17846 - N5344 E17946 - N5344 E17946

RMK: LOW-LVL ERUPTION AT SEMISOPOCHNOI PRSTS. THERE IS NO VA SIGNAL O
BS IN
SATELLITE IMAGERY DUE TO THE PRESENCE OF THICK METEOROLOGICAL CLDS. H
OWEVER
WEBCAMERA IMAGERY CONFIRMS THE PRESENCE OF VA. A STG HI PRES RDG IS C
ENTERED
IN THE VCY OF PAAK AND TRANSPORT FLOW AT THE VOLCANO SUMMIT IS OUT OF
THE SSE
TRENDING TO OUT OF THE S IN COMING HRS. ...JAM

NXT ADVISORY: WILL BE ISSUED BY 20220517/2217Z=