FVXX20 KNES 301633 VA ADVISORY DTG: 20080930/1633Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2008/018 INFO SOURCE: MEXICO CITY MWO. GOES-12. GFS WINDS. ERUPTION DETAILS: LOW LEVEL EMISSIONS OF GAS AND STEAM OBS VA DTG: 30/1515Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 30/2130Z FCST VA CLD +12HR: 01/0330Z FCST VA CLD +18HR: 01/0930Z RMK: EMISSIONS SEEN IN SATELLITE IMAGERY. MEXICO CITY CONFIRMED LOW LEVEL EMISSION OF GAS AND STEAM. NO VA DETECTED ...SALEMI NXT ADVISORY: NO FURTHER ADVISORIES NNNN