Volcanic Ash Advisory Text
FVFE01 RJTD 072032
VAAAK2
VA ADVISORY
DTG: 20210907/2011Z
VAAC: ANCHORAGE
VOLCANO: SEMISOPOCHNOI 311060
PSN: N5156 E17935
AREA: ALEUTIAN ISLANDS
SUMMIT ELEV: 4006 FT (1221 M)
ADVISORY NR: 2021/112
INFO SOURCE: HIMAWARI/GOES/AVO
AVIATION COLOR CODE: ORANGE
ERUPTION DETAILS: LAST ERUPTION WAS 18Z. VA IS NO VISIBLE IN
SATELITE BUT CAMERA AND RECORDERS SHOW ANOTHER ERUPTION HAS
OCCURED.
OBS VA DTG: 07/2011Z
OBS VA CLD: SFC/FL120 N5231 E17904 - N5234 W17831 - N5149 W17901
- N5140 E17857 - N5231 E17904 MOV NNE 15KT.
FCST VA CLD +6HR: 08/0211Z SFC/FL120 N5328 E17945 - N5247 W17643
- N5201 W17725 - N5152 E17949 - N5246 E17822 - N5328 E17945.
FCST VA CLD +12HR: 08/0811Z SFC/FL120 N5251 E17802 - N5415
E17958 - N5447 W17457 - N5249 W17707 - N5144 E17938 - N5251
E17802.
FCST VA CLD +18HR: 08/1411Z SFC/FL120 N5637 W17358 - N5536
W17216 - N5206 W17913 - N5159 E17850 - N5320 E17811 - N5523
W17855 - N5637 W17358 - N5637 W17358.
RMK: T+0 CONFIDENCE LOW.
VA IS BEING FORECASTED USING THE PUFF MODEL.
NXT ADVISORY: WILL BE ISSUED BY 20210908/0211Z
RDE SEP 2021 AAWU=
Back to Prev Page