FVXX21 KWBC 170700 VOLCANIC ASH ADVISORY ISSUED: 2001JAN17/0700Z VAAC: WASHINGTON . VOLCANO: SANTA ANA 1403-02 LOCATION: 1351N 8938W AREA: EL SALVADOR . SUMMIT ELEVATION: 7759 FT (2365 M) . ADVISORY NUMBER: 2001/02 . PLEASE NOTE CORRECTION OF VOLCANO LOCATION IN DEGREE AND MINUTES. PREVIOUS MESSAGE WAS IN DEGREE AND TENTHS. . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SURFACE REPORT FROM EL SALVADOR INTERNATIONAL AIRPORT. 6 HOUR WIND FORECAST FROM 0000Z AVIATION MODEL. . ERUPTION DETAILS: REPORT OF ERUPTION AT 17/0000Z FROM SURFACE METAR OBSERVATIONS. . DETAILS OF ASH CLOUD: SURFACE REPORTS FROM EL SALVADOR INTERNATIONAL AIRPORT INDICATED AN ERUPTION OF SANTA ANA TO APPROXIMATELY FL120. SUBSEQUENT OBSERVATIONS INDICATE CONTINUED SMOKE EMANATING FROM THE VOLCANO. SATELLITE IMAGERY THROUGH 0615Z SHOWS NO ASH PLUME WITH CLEAR SKIES OVER ALL OF EL SALVADOR AND THE ADJACENT PACIFIC OCEAN. A HOT SPOT WAS NOTED AROUND THE TIME OF THE INITIAL REPORT OF AN ERUPTION AT 0000Z. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE SUMMIT AND FL120 WOULD MOVE NORTHWEST AT 10 TO 15 KNOTS . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED AT 17/1300Z. . 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. . RUMINSKI . NNNN