FVXX26 KNES 310208 VOLCANIC ASH ADVISORY ISSUED: 2005JUL31/0208Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17802 FT (5426 M) ADVISORY NUMBER: 2005/043 INFORMATION SOURCE: MEXICO CITY MWO. GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ASH AND STEAM EMISSION AT ABOUT 1319Z. OBS ASH DATE/TIME: 31/0145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING TO W 5-15 KNOTS. FCST ASH CLOUD +6H: 31/0800Z FCST ASH CLOUD +12H: 31/1400Z FCST ASH CLOUD +18H: 31/2000Z REMARKS: LAST VISIBLE IMAGERY AT 2345Z SHOWS REMNANT OF THE EARLIER EMISSION 175 NMI TO THE WEST OF THE SUMMIT AT ABOUT 18.8N 101.7W. SINCE THEN, NO ASH CAN BE DISTINQUISHED ON MULTI-SPECTRAL IMAGERY ALTHOUGH THERE IS A WARM SPOT AT THE SUMMIT. SOME MINOR STEAM EMISSIONS WERE SEEN ON THE CAMERA BARELY ABOVE THE SUMMIT FROM ABOUT 0130Z TO 0145Z BEFORE IT BECAME TOO DARK. ...BALDWIN NEXT ADVISORY: WILL BE ISSUED BY 2005JUL31/0815Z NNNN