FVXX20 KWBC 190500 VOLCANIC ASH ADVISORY ISSUED 0500 UTC 19 SEP 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-250 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. 19/0000 UTC GUADELOUPE UPPER AIR SOUNDING. . ERUPTION DETAILS: LOW LEVEL ASH EMISSIONS. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN INFRARED AND MULTISPECTRAL SATELLITE IMAGERY THROUGH 19/0315 UTC. ASH WAS SEEN IN THE LAST FEW VISIBLE SATELLITE IMAGES OF THE DAY THROUGH 18/2045 UTC MOVING FROM THE SUMMIT WESTWARD. THE ASH WAS ESTIMATED BELOW FL100. . TRAJECTORY: ANY ASH FROM SUMMIT LEVEL TO FL100 WOULD MOVE TOWARD THE WEST SOUTHWEST AT 15 TO 30 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 19/1100 UTC. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . CLARK . NNNN