FVXX21 KNES 071939 VOLCANIC ASH ADVISORY ISSUED: 20070107/1936Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901 W09837 AREA: MEXICO SUMMIT ELEVATION: 17802 FT (5426 M) ADVISORY NUMBER: 2007/003 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: CONTINUOUS ASH OR GAS PUFFS. OBS ASH DATE/TIME: 07/1915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL220 MOVING TO NE 10-15 KNOTS. FCST ASH CLOUD +6H: 08/0130Z FCST ASH CLOUD +12H: 08/0730Z FCST ASH CLOUD +18H: 08/1330Z REMARKS: NO ASH PUFFS CAN BE SEEN IN CURRENT SATELLITE IMAGERY DUE TO INCREASING WEATHER CLOUDS BUT A HOTSPOT CAN BE SEEN IN MULTISPECTRAL IMAGERY. HOWEVER, THE VOLCANO CAMERA HAS SHOWN A NUMBER OF PUFFS WHICH APPEAR TO BE MOSTLY GAS WITH LITTLE ASH CONTENT. THESE PUFFS HAVE OCCURRED AT 1420Z, 1445Z, 1539Z, 1605Z, 1730Z, 1840Z. MODEL WINDS ARE INCONSISTENT BUT WEATHER CLOUD MOTION IN THE REGION SUGGEST THAT ANY ASH WOULD MOVE TO THE NORTHEAST. ...BALDWIN NEXT ADVISORY: WILL BE ISSUED BY 20070108/0130Z