Volcanic Ash Advisory Text
FVFE01 RJTD 261106
VAAAK3
VA ADVISORY

DTG: 20210926/1105Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT (1221 M)

ADVISORY NR: 2021/145

INFO SOURCE: WEBCAM/WEBICORDER

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: OCNL ERUPTIONS.

OBS VA DTG: 26/1105Z

OBS VA CLD: SFC/FL100 N5437 E17922 - N5154 E17952 - N5150 E17929
- N5405 E17647 - N5437 E17922 MOV NNW 35KT.

FCST VA CLD +6HR: 26/1705Z SFC/FL100 N5607 E17935 - N5154 E17957
- N5150 E17926 - N5522 E17604 - N5607 E17935.

FCST VA CLD +12HR: 26/2305Z SFC/FL100 N5626 E17917 - N5307
W17706 - N5145 E17942 - N5206 E17917 - N5429 E17859 - N5541
E17504 - N5626 E17917 - N5626 E17917.

FCST VA CLD +18HR: 27/0505Z NO VA EXP.

RMK: NO VA SIGNAL NOTED IN SATELLITE IMAGERY DUE TO WDSPRDG METEOROLO
GICAL
CLDS FM OCFNT. HOWEVER ERUPTIVE ACTIVITY W/VA WAS OBS IN WEBCAMERAS U
NTIL
LOSS OF DAYLIGHT AROUND 20210926/0600Z. SEISMIC ACTIVITY PER WEBICORD
ER HAS
NOT CHANGED APPRECIABLY AND THUS BELIEVE ERUPTIONS ARE STILL OCCURING
. STG
SOUTHERLY TRANSPORT WINDS LOOK TO SHIFT AND BECM MORE OUT OF THE SOUT
HWEST
W/FROPA.

NXT ADVISORY: WILL BE ISSUED BY 20210926/1705Z

JAM SEP 2021 AAWU=

Back to Prev Page