FVXX22 KWBC 071220 CCA VOLCANIC ASH ADVISORY STATEMENT-CORRECTION ISSUED 1220 UTC 07 MAY 2000 BY THE WASHINGTON VAAC . CORRECTION TO THE NEXT ISSUANCE TIME TO INDICATE THAT THIS IS THE LAST MESSAGE ON THIS EVENT. . SOUFRIERE HILLS 00-083 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. AVIATION MODEL WINDS FORECAST. . ERUPTION DETAILS: ERUPTION BEGAN AROUND 06/2124 UTC. . DETAILS OF ASH CLOUD: THE PREVIOUSLY OBSERVED AREA OF ASH AT FL090 IS NOW TOO DIFFUSE TO SEE IN SATELLITE IMAGERY THROUGH 1145 UTC. EXTRAPOLATING FROM EARLIER POSITIONS IF ANY DIFFUSE ASH REMAINS IT WOULD BE NEAR ABOUT 16N64W. IT IS POSSIBLE THAT THE WEATHER CLOUDS THERE ARE HINDERING ASH DETECTION. THE MONTSERRAT VOLCANO OBSERVATORY REPORTS THAT THE VOLCANO HAS RETURNED TO ITS NORMAL LEVEL OF ACTIVITY. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH AT FL090 NEAR 16N64W WOULD MOVE TO THE WEST SOUTHWEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST MESSAGE ON THIS EVENT. . 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