FVXX22 KNES 050723 VA ADVISORY DTG: 20211005/0723Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2021/614 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 05/0711Z OBS VA CLD: SFC/FL200 N1911 W09834 - N1901 W09836 - N1901 W09838 - N1911 W09846 - N1911 W09834 MOV N 5KT FCST VA CLD +6HR: 05/1300Z SFC/FL200 N1917 W09831 - N1901 W09836 - N1900 W09837 - N1916 W09851 - N1917 W09831 FCST VA CLD +12HR: 05/1900Z NO VA EXP FCST VA CLD +18HR: 06/0100Z NO VA EXP RMK: VA OBS MOVG SLOWLY N FM SUMMIT. OBS VA FL ESTD FM NWP MDLS AND VOLCAT ALERT. T+6 HRS FCST IS LOW CONFIDENCE DUE TO EXPECTED LGT FL WINDS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211005/1330Z