FVXX20 KWBC 301900 VOLCANIC ASH ADVISORY ISSUED: 2001JUL30/1900Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/192 . INFORMATION SOURCE: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. 12Z SOUNDING FROM GUADELOUPE AND PUERTO RICO. SAN JUAN WEATHER FORECAST OFFICE. . ERUPTION DETAILS: INCREASED ASH AND SEISMIC ACTIVITY. . DETAILS OF ASH CLOUD: ALTHOUGH SCATTERED REPORTS CONTINUE TO BE RECEIVED OF ASH FALL...MOST NOTABLY ON ST. CROIX AT 18Z...MOST OF THE ASH APPEARS TO BE SUSPENDED AT HEIGHTS UP TO FL200. AT 18Z SAN JUAN INTERNATIONAL AIRPORT REPORTED ASH ALOFT. THE AIRPORT HAS BEEN CLOSED SINCE EARLY THIS MORNING DUE TO THE ASH FALL. EVEN WITH BROKEN CLOUDS FROM ST. CROIX EASTWARD THERE CONTINUED TO BE NO INDICATION OF THIS ASH IN SATELLITE IMAGERY THROUGH 1815Z. HIGH LEVEL CLOUDS CONTINUE TO COVER LARGE PORTIONS OF PUERTO RICO. . THE THIN DIFFUSE PLUME EMANATING FROM THE VOLCANO WAS BEING OBSCURED BY HIGH LEVEL CLOUDS TO THE WEST OF MONTSERRAT. ACTIVITY AT THE VOLCANO REMAINS LOW...SIMILAR TO WHAT HAS BEEN OBSERVED OVER THE LAST SEVERAL WEEKS. . TRAJECTORY: ANY ASH BEING EMITTED FROM THE VOLCANO BELOW FL100 WOULD MOVE TOWARD THE WEST AT 20 TO 30 KNOTS. ASH BETWEEN FL100 AND FL200 OVER THE NORTHEAST CARIBBEAN AND PUERTO RICO WOULD MOVE TOWARD THE WEST NORTHWEST OR NORTHWEST AT 25 TO 30 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. THE NEXT ADVISORY WILL BE ISSUED BY 31/0100Z. . 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. TURK NNNN