FVXX20 KNES 312329 VA ADVISORY DTG: 20180131/2329Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2018/075 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS ARND 2250Z OBS VA DTG: 31/2312Z OBS VA CLD: SFC/FL260 N1919 W09832 - N1908 W09833 - N1909 W09838 - N1918 W09837 - N1919 W09832 MOV N 35-40KT FCST VA CLD +6HR: 01/0500Z SFC/FL260 N2216 W09644 - N2215 W09638 - N2208 W09638 - N2208 W09645 - N2216 W09644 FCST VA CLD +12HR: 01/1100Z SFC/FL260 NO ASH EXP FCST VA CLD +18HR: 01/1700Z NO ASH EXP RMK: VA EXTD 10 NMI N FR THE SUMMIT. NWP MODEL GUIDANCE SUGGESTS N TO NNE MOV THROUGH +6 HRS BEFORE DISP ...KIBLER/ZHU NXT ADVISORY: WILL BE ISSUED BY 20180201/0530Z