FVXX20 KWBC 260130 VOLCANIC ASH ADVISORY ISSUED: 2001FEB26/0130Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . ADVISORY NUMBER: 2001/125 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. MONTSERRAT VOLCANO OBSERVATORY. . ERUPTION DETAILS: CONTINUAL ROCKFALLS PRODUCING A STEADY LOW LEVEL ASH PLUME. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 26/0045Z SHOWS CIRRUS CLOUDS OBSCURING ANY LOW LEVEL ASH PLUME. THE MONTSERRAT VOLCANO OBSERVATORY REPORTED THAT AROUND 25/2300Z THE VOLCANO WAS PRODUCING A LARGE QUANTITY OF ASH MOVING TO THE SOUTH AT AN ESTIMATED HEIGHT OF FL080. SATELLITE IMAGERY AT THAT TIME SHOWED FAIRLY CONSTANT HOT SPOT ACTIVITY BUT THE ASH PLUME COULD NOT BE DETECTED. CURRENT SATELLITE IMAGERY STILL SHOWS INTERMITTENT HOT SPOT ACTIVITY. ANY ASH PRESENT IS ESTIMATED TO BE BELOW FL100. . TRAJECTORY: ASH FROM SUMMIT LEVEL UP TO FL100 WOULD MOVE TOWARD THE SOUTHWEST AT ABOUT 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 26/0730Z. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN