FVXX20 KNES 271023 VA ADVISORY DTG: 20180627/1023Z VAAC: WASHINGTON VOLCANO: NEGRA, SIERRA 353050 PSN: S0049 W09110 AREA: GALAPAGOS SUMMIT ELEV: 4888 FT (1490 M) ADVISORY NR: 2018/004 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: POSS VA OBS VA DTG: 27/1000Z OBS VA CLD: SFC/FL100 S0015 W09146 - S0045 W09105 - S0050 W09110 - S0028 W09157 - S0015 W09146 MOV NW 10-20KT FCST VA CLD +6HR: 27/1600Z SFC/FL100 NO ASH EXP FCST VA CLD +12HR: 27/2200Z NO ASH EXP FCST VA CLD +18HR: 28/0400Z NO ASH EXP RMK: VA IS NOT DETECTED IN STLT IMAGERY. MNLY STEAM/GASES ARE OBS IN IMAGERY, BUT VA IS POSS IN THE EMS. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20180627/1630Z