Volcanic Ash Advisory Text

FVFE01 RJTD 141736
VAAAK1
VA ADVISORY

DTG: 20220514/1730Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2022/026

INFO SOURCE: HIMAWARI/GOES 17

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: CONTINUOUS LOW-LVL ERUPTION.

OBS VA DTG: 14/1730Z

OBS VA CLD: SFC/FL050 N5335 E17753 - N5156 E17951 - N5148 E17930
- N5321 E17705 - N5335 E17753 MOV STNR

FCST VA CLD +6HR: 14/2330Z SFC/FL050 N5334 E17724 - N5157 E17954
- N5145 E17924 - N5318 E17651 - N5334 E17724

FCST VA CLD +12HR: 15/0530Z SFC/FL050 N5319 E17650 - N5159
E17951 - N5148 E17931 - N5305 E17634 - N5319 E17650

FCST VA CLD +18HR: 15/1130Z SFC/FL050 N5320 E17639 - N5158
E17954 - N5146 E17931 - N5253 E17623 - N5320 E17639 - N5320 E17639

RMK: LITTLE APPRECIABLE CHANGES AT THE VOLCANO. VA SIGNAL CONTINUES T
O
BE OBSERVED IN SATELLITE IMAGERY DESPITE THE PREVALENCE OF MARINE LYR

CLOUDS. TRANSPORT FLOW OUT OF THE SE BECOMES SLIGHTLY MORE OUT OF THE

ESE IN COMING HRS. ...JAM

NXT ADVISORY: WILL BE ISSUED BY 20220514/2330Z=

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