FVXX21 KNES 181238 VA ADVISORY DTG: 20170618/1238Z VAAC: WASHINGTON VOLCANO: SHEVELUCH 300270 PSN: N5639 E16122 AREA: KAMCHATKA SUMMIT ELEV: 10771 FT (3283 M) ADVISORY NR: 2017/028 INFO SOURCE: HIMAWARI-8. GFS WINDS. ANCHORAGE VAAC ERUPTION DETAILS: REMNANT VA FROM 14/1640Z EMS OBS VA DTG: 18/1140Z OBS VA CLD: SFC/FL400 N5417 W14511 - N4911 W14604 - N4632 W14628 - N4332 W14837 - N4228 W15140 - N4159 W15439 - N4240 W15441 - N4432 W14959 - N4708 W14750 - N5022 W14744 - N5203 W14750 - N5411 W14758 - N5417 W14511 MOV N 50-60KT FCST VA CLD +6HR: 18/1730Z SFC/FL400 N5729 W14336 - N5437 W14352 - N4827 W14436 - N4337 W14815 - N4454 W14956 - N4825 W14739 - N5147 W14753 - N5720 W14744 - N5729 W14336 FCST VA CLD +12HR: 18/2330Z SFC/FL400 NO ASH EXP FCST VA CLD +18HR: 19/0530Z NO ASH EXP RMK: T+0 CONFIDENCE IS HIGH. HIMAWARI-8 IMAGERY SHOWS REMNANT VA MOVING MAINLY WITH SE PORTIONS MOVING NE. 6 HR FORECAST BASED ON GFS STREAMLINE ANALYSIS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20170618/1845Z