FVXX20 KNES 012218 VOLCANIC ASH ADVISORY ISSUED: 2005DEC01/2218Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2005/59 INFORMATION SOURCE: GUAYAQUIL MWO, GOES-12, DMSP, GFS MODEL WINDS. ERUPTION DETAILS: EXHALATION AT 01/1256Z. OBS ASH DATE/TIME: 01/2130Z. OBS ASH CLOUD: SFC/FL400 N1929 W09328 - N1955 W09243 - N2020 W09313 - N2015 W09352 - N1941 W09402 MOVG ENE 30KT-40KT. SFC/FL350 N1928 W09355 - N1905 W09511 - N1952 W09535 - N2008 W09435 MOVG ENE 30KT. FCST ASH CLOUD +6H: SFC/FL400 N2011 W09230 - N2038 W09211 - N2058 W09240 - N2045 W09314 FCST ASH CLOUD +12H: 02/0930Z NO VA EXP. FCST ASH CLOUD +18H: 02/1530Z NO VA EXP. REMARKS: AFWA FOR WASHINGTON VAAC. ASH VISIBLE ON 01/2130Z GOES-12 IMAGE 300 NM ENE OF SUMMIT OVER THE GULF OF MEXICO. ASH IS EXPECTED TO BECOME UNDETECTABLE ON SATELLITE OVER THE NEXT 6 HRS....HEATH/PIATT NEXT ADVISORY: WILL BE ISSUED BY 2005DEC02/0430Z. NNNN