Subject: FVAG01 SABM 031615 AMD FVAG01 SABM 031615 AMD VOLCANIC ASH ADVISORY ISSUED: 2008 03051615Z VAAC: BUENOS AIRES VOLCANO: UBINAS 1504-02 LOCATION: S1621 W07054 AREA: PERU SUMMIT ELEVATION: 5672M ADVISORY NUMBER: 2008/042 INFORMATION SOURCE: SIGMET4 SPIM 031155 AVIATION COLOR CODE: RED ERUPTION DETAILS: VA CLD OBS AT 1135Z FL180/220 MOV NE OBS ASH DATE/TIME: 031135Z FCST ASH CLD + 06HR: 031700Z SFC/FL200 S1500 W06940 ? S1600 W06940 ? S1600 W07070 ? S1480 W07070 ? S1480 W07000 ? S1500 W06940 FL200/350 S1500 W07000 ? S1530 W06960 ? S1580 W006960AMD ? S1580 W07050 ? S1500 W07050 ? S1500 W07000 FL350/550 NO ASH EXP FCST ASH CLD + 12HR: 032300Z SFC/FL200 S1400 W06910 ? S1500 W06910 ? S1500 W07050 ? S1400 W07050 ? S1400 W06910 FL200/350 NO ASH EXP FL350/550 NO ASH EXP FCST ASH CLD + 18HR: 040500Z SFC/FL200 S1320 W07000 ? S1380 W06920 ? S1450 W06920 ? S1450 W07030 ? S1400 W07050 ? S1320 W07050 ? S1320 W07000 FL200/350 NO ASH EXP FL350/550 NO ASH EXP NEXT ADVISORY: 031915Z REMARKS: AMD S1580 W06960 VA CLD IDENTIFICABLE ON SATELLITE IMAGERY VIS GOES 12 AT 11:45Z MOV NE  .