FVXX21 KWBC 170100 VOLCANIC ASH ADVISORY ISSUED: 2001JAN17/0100Z VAAC: WASHINGTON . VOLCANO: SANTA ANA 1403-02 LOCATION: 1385N 8963W AREA: EL SALVADOR . SUMMIT ELEVATION: 7759 FT (2365 M) . ADVISORY NUMBER: 2001/01 INFORMATION SOURCE: GOES-8. INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SURFACE REPORT FROM EL SALVADOR INTERNATIONAL AIRPORT 6 HOUR FORECAST BASED ON THE 1800Z MODEL WINDS. . ERUPTION DETAILS: UNCONFIRMED REPORT OF ERUPTION AT 17/0000Z . DETAILS OF ASH CLOUD: SURFACE REPORT FROM EL SALVADOR INTERNATIONAL AIRPORT INDICATED AN ERUPTION OF SANTA ANA TO APPROXIMATELY FL120. SATELLITE IMAGERY THROUGH 0015 SHOWS NO ASH PLUME. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH AT FL120 WOULD MOVE NORTHWEST AT 15-20 KNOTS . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED AT 17/0700Z OR SOONER IF MORE INFORMATION BECOMES AVAILABLE. . 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