FVXX21 KWBC 290651 VOLCANIC ASH ADVISORY ISSUED: 2003APR29/0700Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/456 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. MONTSERRAT VOLCANO OBSERVATORY. ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 29/0615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING NW 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 29/0615Z AS WEATHER CLOUD ARE SCATTERED ACROSS THE REGION. THE MONTSERRAT VOLCANO OBSERVATORY INDICATED ASH DETECTION WAS DIFFICULT AT THE PRESENT TIME DUE TO WEATHER CLOUDS NEAR THE SUMMIT AND BECAUSE IT WAS NIGHT TIME. HOT SPOT ACTIVITY HAS SUBSIDED AND CANNOT BE SEEN IN MULTI-SPECTRAL IMAGERY. VISIBLE IMAGERY IN THE NEXT FEW HOURS MAY INDICATE ASH SO AN UPDATED VAA MAY BE ISSUED BEFORE 29/1300Z....KIBLER NEXT ADVISORY: WILL BE ISSUED BY 2003APR29/1300Z. NNNN