FVXX20 KWBC 041220 VOLCANIC ASH ADVISORY ISSUED: 2001OCT04/1220Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/225 . INFORMATION SOURCE: GOES-8 VISIBLE.. INFRARED AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY.. AVIATION MODEL WINDS FORECAST. . ERUPTION DETAILS: REPORTED SMALL ERUPTION AT 04/1200Z. . DETAILS OF ASH CLOUD: THE OBSERVATORY HAS CALLED WITH A SMALL ERUPTION AT 04/1200Z. SATELLITE IMAGERY THROUGH 1145Z SHOWS A FAINT HOT SPOT AND A SMALL PLUME EXTENDING WEST FROM THE SUMMIT. ESTIMATED HEIGHT OF THE 1200Z ERUPTION IS BELOW FL050. . TRAJECTORY: ASH AT FL050 WOULD MOVE WESTERLY AROUND 20 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 04/1330Z. . INTERNET URLS... MESSAGE LISTSERV WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML MESSAGES GRAPHICS AND IMAGERY WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWERCASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . . NNNN