FVXX22 KWBC 191830 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1830 UTC 19 OCTOBER 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-226 WEST INDIES 16.72N 62.18W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY (MVO). GUADELOUPE UPPER AIR SOUNDING AND GOES-8 VISIBLE...INFRARED...AND MULTISPECTRAL IMAGERY. AVN MODEL FROM NCEP. . ERUPTION DETAILS: MVO REPORTS ERUPTION OCCURRING AT 19/0600 UTC. . DETAILS OF ASH CLOUD: GOES-8 VISIBLE IMAGERY THROUGH 1745 UTC SHOWS NO MORE SIGNS OF ASH COMING FROM SOUFRIERE HILLS. THERE ARE THICKENING CIRRUS CLOUDS FROM THE OUTFLOW OF HRCN JOSE THAT ARE BLOCKING SOME OF THE VIEW OF THE LOWER ATMOSPHERIC LEVELS...HOWEVER A CALL TO THE MVO CONFIRMED THAT THERE WAS NO MORE ASH AND THE VOLCANO WAS BACK DOWN TO BACKGROUND LEVELS. . TRAJECTORY: 19/1200Z SOUNDING FROM GUADELOUPE AND THE NCEP AVN MODEL WINDS SUGGEST ANY ASH BELOW FL050 TO MOVE WEST SOUTHWEST AT 15 TO 20 KNOTS. . 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/) . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST MESSAGE ISSUED FOR THIS EVENT. . HUGHES/NOAA/NESDIS/SAB . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN