FVXX20 KWBC 042230 VOLCANIC ASH ADVISORY ISSUED: 2001OCT04/2230Z VAAC: WASHINGTON . CORRECTION FOR ISSUED TIME . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/228 . INFORMATION SOURCE: GOES-8 VISIBLE.. INFRARED AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY REPORT. 1200Z GUADELOUPE SOUNDING WINDS. 12Z ETA MODEL WIND FORECAST . ERUPTION DETAILS: REPORTED SMALL ERUPTION AT 04/1200Z. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 2145Z SHOWS INCREASING WEATHER CLOUDS IN THE VICINITY OF MONTSERRAT MAKING THE DETECTION OF ASH DIFFICULT. MUCH FARTHER WEST AN AREA OF LOW LEVEL ASH IS VISIBLE. THE ASH ESTIMATED BELOW FL080 IS 28KM (15NMI) WIDE EXTENDING FROM 1654N6450W TO 1744N6517W. AT 2135Z THE MONTSERRAT VOLCANO OBSERVATORY REPORTED A CONTINUOUS PLUME OF DENSE LOW LEVEL ASH EXTENDING FROM THE SUMMIT TOWARD THE WNW. . TRAJECTORY: ASH AT AND BELOW FL080 WILL MOVE WEST-NORTHWEST AROUND 18 TO 24 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 05/0430Z. . 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. . BROWN . NNNN