FVXX20 KNES 210157 VOLCANIC ASH ADVISORY ISSUED: 20061221/0155Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901 W09837 AREA: MEXICO SUMMIT ELEVATION: 17802 FT (5426 M) ADVISORY NUMBER: 2006/037 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12. GFS WINDS. ERUPTION DETAILS: ERUPTION AT 20/1935Z OBS ASH DATE/TIME: 20/0115Z OBS ASH CLOUD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: ASH CAN NOT BE SEEN IN VISIBLE SATELLITE IMAGERY HOWEVER A HOTSPOT IS PRESENT IN THE MULTI-SPECTRAL. ...BROWN NEXT ADVISORY: NO FURTHER ADVISORIES