Volcanic Ash Advisory Text
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=
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