FVXX20 KWBC 020730 VOLCANIC ASH ADVISORY . ISSUED: 2002JAN02/0730Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/003 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. AVIATION MODEL FORECAST. . ERUPTION DETAILS: CONTINUOUS LOW LEVEL VENTING OF ASH STARTING EARLY MORNING JAN 1. . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS VERY ACTIVE ROCKFALLS PRODUCING ASH UP TO FL050. SATELLITE IMAGERY THROUGH 02/0645Z DOES NOT SHOW ASH BUT THE LAST VISIBLE IMAGE ON JAN 1 AT 01/2030Z DID SHOW ASH EXTENDING TO THE WEST AND WEST NORTHWEST. . TRAJECTORY: ASH AT FL050 WILL MOVE TOWARDS THE WEST TO WEST NORTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: 2002JAN02/1330Z. . . NNNN