FVXX20 KWBC 060220 VOLCANIC ASH ADVISORY ISSUED: 2001OCT06/0220Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/233 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY REPORT. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: PYROCLASTIC FLOWS PRODUCING STEAM AND ASH . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED AN INCREASE IN EMISSIONS OF ASH STARTING AT 05/1430Z ESTIMATED AT OR BELOW FL050. CLOUDS OBSCURE THE OBSERVATION OF ASH IN SATELLITE IMAGERY THROUGH 06/0145Z. . TRAJECTORY: ASH BELOW FL050 WILL MOVE TOWARDS THE WEST-NORTHWEST AT 18 TO 24 KTS. OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 06/0900Z. . 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