FVXX20 KWBC 252230 COR . CORRECTED NEXT MESSAGE DATE/TIME . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2230 UTC 25 AUG 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-199 WEST INDIES 16.7N 62.2W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY. . ERUPTION DETAILS: APPROXIMATELY 25/2150 UTC TO FL100. . DETAILS OF ASH CLOUD: THE M.O. REPORTS A PRYOCLASTIC FLOW PRODUCING ASH UP TO FL130. NO OTHER DETAILS ARE AVAILABLE AT THIS TIME. . TRAJECTORY: ANY ASH AT THIS LEVEL WOULD MOVE TOWARD THE WEST AT APPROXIMATELY 10 KTS. . 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 www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . NEXT MESSAGE WILL BE ISSUED AT 26/0430 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN