FVXX20 KNES 031321 VA ADVISORY DTG: 20200503/1321Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2020/477 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. RADIOSONDE. ERUPTION DETAILS: LGT VA EMS SEEN IN SAT AND WEB CAM. OBS VA DTG: 03/1306Z OBS VA CLD: SFC/FL190 N1903 W09841 - N1903 W09837 - N1840 W09834 - N1843 W09847 - N1903 W09841 MOV S 10-15KT FCST VA CLD +6HR: 03/1900Z SFC/FL190 N1904 W09841 - N1903 W09836 - N1808 W09852 - N1825 W09931 - N1904 W09841 FCST VA CLD +12HR: 04/0100Z NO ASH EXP FCST VA CLD +18HR: 04/0700Z NO ASH EXP RMK: LGT VA EMS SEEN IN SAT AND WEB CAM TO JUST FL190. VA IS EXTG 8 NM SSW OF SUMMIT. MODEL GUIDANCE SHOWS MORE OF A SW-LY MOV THRU T+6 HRS. ... NXT ADVISORY: WILL BE ISSUED BY 20200503/1915Z