FVXX21 KNES 061829 VA ADVISORY DTG: 20180306/1829Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/135 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 06/1745Z OBS VA CLD: SFC/FL220 N2014 W09841 - N2014 W09830 - N1900 W09835 - N1901 W09838 - N2014 W09841 MOV N 15-20KT FCST VA CLD +6HR: 07/0000Z SFC/FL220 N2018 W09831 - N2014 W09808 - N1859 W09835 - N1901 W09838 - N2018 W09831 FCST VA CLD +12HR: 07/0600Z SFC/FL220 N2016 W09821 - N2010 W09755 - N1859 W09835 - N1901 W09838 - N2016 W09821 FCST VA CLD +18HR: 07/1200Z SFC/FL220 NO ASH EXP RMK: VA EXTD 74 NM N FR THE SUMMIT. NWP MODEL GUIDANCE INDICATES A N TO NE MOV THROUGH +12 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180307/0030Z