FVXX22 KWBC 081915 VOLCANIC ASH ADVISORY ISSUED: 2002NOV08/19015Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/180 . INFORMATION SOURCE: MONTSERRAT VOLCANO OBSERVATORY . ERUPTION DETAILS: PYROCLASTIC FLOW RESULTING IN ASH STARTING AROUND 08/1845Z . OBS ASH DATE/TIME: 08/1845Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING WEST 10 TO 20 KTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED INCREASED SEISMIC ACTIVITY AND STRONGER PYROCLASTIC FLOWS RESULTING IN A MIXTURE OF GASSES AND ASH TO FL050. THERE IS CONCERN THAT THE POTENTIAL EXISTS FOR MORE VIGOROUS ACTIVITY. SATELLITE IMAGERY IS NOT YET AVAILABLE SINCE THE INCREASED ACTIVITY BEGAN. NEW ADVISORIES WILL BE ISSUED IF SATELLITE IMAGERY SHOWS SIGNIFICANT ASH. . NEXT ADVISORY: WILL BE ISSUED BY 09/0115Z. . NNNN