FVXX23 KWBC 151953 VOLCANIC ASH ADVISORY ISSUED: 2003JUN15/2000Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/077 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: EXHALATION AT 15/1901Z. OBS ASH DATE/TIME: 15/1915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL240 N 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: THE MEXICO CITY MWO REPORTS A SMALL EXHALATION OF THE VOLCANO AT 15/1901Z. IN ADDITION AN AIRCRAFT REPORT AT APPROXIMATELY THE SAME TIME PLACES THE ASH AT FL240 AND EXTENDING TO THE NORTH ABOUT 10 NM. SATELLITE IMAGERY THROUGH 15/1915Z SHOWS CONSIDERABLE CLOUDS OVER THE REGION. EARLIER SHORTWAVE IMAGERY HOWEVER DID SHOW AN OCCASIONAL HOTSPOT....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003JUN16/0200Z NNNN