FVXX22 KWBC 160500 VOLCANIC ASH ADVISORY ISSUED 0500 UTC 16 AUG 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-138 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 00 UTC GUADELOUPE RADIOSONDE . ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS. . DETAILS OF ASH CLOUD: AT 15/2145 UTC A FAINT ASH PLUME TO FL070 WAS OBSERVED STRETCHING WEST-NORTHWEST AWAY FROM THE ISLAND. ASH HAS NOT BEEN SEEN IN SATELLITE IMAGERY SINCE NIGHTFALL WITH ONLY INFRARED AND MULTISPECTRAL SATELLITE IMAGERY AVAILABLE. HOWEVER IT IS POSSIBLE THAT IN DAYLIGHT WHEN VISIBLE SATELLITE IMAGERY IS AGAIN AVAILABLE ASH WILL BE SEEN. IN SHORTWAVE INFRARED IMAGERY THROUGH 16/0415 UTC AN INTERMITTENT HOTSPOT CAN BE SEEN AT THE LOCATION OF THE VOLCANO SUGGESTING CONTINUED ACTIVITY. . TRAJECTORY: IF THERE IS ANY ASH AT ABOUT FL070 IT WOULD MOVE TOWARD THE WEST AT ABOUT 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 16/1100 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. . NNNN