FVXX21 KNES 061002 VA ADVISORY DTG: 20230906/1002Z VAAC: WASHINGTON VOLCANO: SHISHALDIN 311360 PSN: N5445 W16358 AREA: ALEUTIAN.IS SUMMIT ELEV: 9373 FT (2857 M) ADVISORY NR: 2023/010 INFO SOURCE: GOES-18. NWP MODELS. ERUPTION DETAILS: DETACHED VA AREA OBS VA DTG: 06/0920Z OBS VA CLD: SFC/FL320 N4726 W15035 - N4725 W14834 - N4510 W14948 - N4549 W15051 - N4726 W15035 MOV SE 35KT FCST VA CLD +6HR: 06/1530Z NO VA EXP FCST VA CLD +12HR: 06/2130Z NO VA EXP FCST VA CLD +18HR: 07/0330Z NO VA EXP RMK: DETACHED THIN VA AREA DETECTED ON STLT MOVG SE. VA PERSISTING LONGER THAN EXPECTED BUT FCST TO DSIPT IN NXT 6 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20230906/1600Z