FVXX25 KNES 200437 VA ADVISORY DTG: 20180920/0437Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2018/020 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: NEW VA EM. OBS VA DTG: 20/0415Z OBS VA CLD: SFC/FL220 N0531 W07535 - N0516 W07521 - N0457 W07537 - N0504 W07548 - N0531 W07535 MOV NW 15-20KT FCST VA CLD +6HR: 20/1030Z SFC/FL220 NO ASH EXP FCST VA CLD +12HR: 20/1630Z NO ASH EXP FCST VA CLD +18HR: 20/2230Z NO ASH EXP RMK: A SMALL VA PUFF CAN BE SEEN IN VARIOUS MODES OF STLT IMAGERY. VA MOV NW SUMMIT AND EXPECTED TO DISPERSE WITHIN 6 HRS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180920/1030Z