FVXX20 KWBC 180130 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0130 UTC 18 MAY 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-090 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) SOURCES OF INFORMATION: NFRARED AND MULTISPECTRAL SATELLITE IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. 18/0000 GUADELOUPE UPPER AIR SOUNDING. . ERUPTION DETAILS: ROCKFALLS GENERATING LOW LEVEL ASH CLOUD. . DETAILS OF ASH CLOUD: THE MVO REPORTED THAT ROCKFALL ACTIVITY AT THE SOUFRIERE HILLS VOLCANO IS GENERATING ASH CLOUDS THAT ARE BEING PICKED UP BY THE WIND. ASH IS NOT OBSERVED ON INFRARED IMAGERY BUT A FAINT PLUME OF ASH WAS OBSERVED EARLIER ON VISIBLE IMAGERY. A HOT SPOT IS OCCASIONALLY OBSERVED ON SHORTWAVE IMAGERY. ASH WAS ESTIMATED AT OR BELOW FL030. . TRAJECTORY: ASH AT AND BELOW FL030 WILL MOVE WEST NORTHWEST TO WEST AROUND 5 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 18/0730. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS 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