FVXX21 KNES 172139
VA ADVISORY
DTG: 20170617/2139Z

VAAC: WASHINGTON

VOLCANO: SHEVELUCH 300270
PSN: N5640 E16122

AREA: KAMCHATKA

SUMMIT ELEV: 10771 FT (3283 M)

ADVISORY NR: 2017/025

INFO SOURCE: HIMAWARI-8. GFS WINDS. ECMWF WINDS.
HYSPLIT. 

ERUPTION DETAILS: REMNANT VA

OBS VA DTG: 17/2100Z

OBS VA CLD: SFC/FL400 N5323 W15020 - N5253 W14721
- N4456 W15238 - N3947 W16042 - N4249 W17020 -
N5001 W17957 - N5039 W17750 - N4238 W16108 -
N4541 W15559 - N5323 W15020 MOV E 40-50KT 

FCST VA CLD +6HR: 18/0300Z SFC/FL400 N5832 W14559
- N5507 W13925 - N3522 W15533 - N3943 W16230 -
N5832 W14559 

FCST VA CLD +12HR: 18/0900Z SFC/FL400 N6053
W14323 - N5622 W13346 - N3411 W15208 - N3832
W15858 - N6053 W14323 

FCST VA CLD +18HR: 18/1500Z SFC/FL400 N6057
W14135 - N5637 W13150 - N3445 W15031 - N3836
W15651 - N6057 W14135 

RMK: T+0 CONFIDENCE HIGH. REMNANT VA FROM
SHEVELUCH IS STILL SEEN IN STLT IMAGERY.  WESTERN
HALF IS EXP TO DISP WITHIN 6 HRS AND EASTERN HALF
IS EXP TO CONT THROUGH T+18. ...WHISNANT

NXT ADVISORY: WILL BE ISSUED BY 20170618/0345Z