FVFE01 RJTD 090503

VA ADVISORY

DTG: 20170809/0453Z

VAAC: ANCHORAGE

VOLCANO: SHEVELUCH 300270

PSN: N5639 E16122

AREA: KAMCHATKA PENINSULA

SUMMIT ELEV: 10771 FT (3283 M)

ADVISORY NR: 2017/176

INFO SOURCE: HIMAWARI/GOES/PIREPS

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: VA FM 20170808/1700Z ERUPTION.

OBS VA DTG: 09/0453Z

OBS VA CLD: SFC/FL400 N5214 E15816 - N5444 E16119 - N5435 E16221
- N5221 E16307 - N5152 E16903 - N5043 E16814 - N5015 E16335 -
N5011 E15830 - N5041 E15822 - N5151 E16120 - N5214 E15816 MOV ESE
40KT.

FCST VA CLD +6HR: 09/1053Z SFC/FL400 N5244 E16103 - N5328 E16316
- N5104 E17106 - N5128 E17909 - N4947 E17701 - N4838 E16712 -
N4846 E15648 - N4955 E15722 - N5047 E16315 - N5244 E16103.

FCST VA CLD +12HR: 09/1653Z SFC/FL400 N5113 E16249 - N5220
E16859 - N5011 W17840 - N5038 W16712 - N4840 W16911 - N4804
W17822 - N4710 E16541 - N4707 E15412 - N4858 E15507 - N4946
E16537 - N5113 E16249.

FCST VA CLD +18HR: 09/2253Z SFC/FL400 N5029 E16635 - N4852
W17859 - N4618 W15545 - N4513 W15849 - N4618 W17948 - N4530
E15308 - N4857 E15455 - N4857 E16427 - N5029 E16635 - N5029
E16635.

RMK: T+0 CONFIDENCE HIGH. STG VA SIGNAL PRSTS IN SATELLITE IMAGERY.
COMPLICATED FORECAST AS CONSIDERABLE ELONGATION OF VA PLUME IS
ONGOING. W OF 162E LONGITUDE VA MOVEMENT IS MORE SOUTHERLY. VAAC
TOKYO HAS TRANSFERRED RESPONSIBILITY OF THIS EVENT TO VAAC ANCHORAGE. THIS
ADVISORY UPDATES MESSAGE FVFE01 RJTD.

NXT ADVISORY: WILL BE ISSUED BY 20170809/1053Z

JAM AUG 2017 AAWU=