FVXX21 KWBC 141615 VOLCANIC ASH ADVISORY ISSUED: 2001JUL14/1615Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/83 . INFORMATION SOURCE: MEXICO CITY METEOROLOGICAL WATCH OFFICE. GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. CENAPRED VOLCANO CAM. MEXICO CITY UPPER AIR SOUNDING. 12 HOUR WIND FORECAST FROM THE 14/0600Z AVIATION MODEL. . ERUPTION DETAILS: THE MEXICO CITY MWO REPORTS A RELEASE OF ASH AND STEAM AT 14/1545Z. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO REPORTS ASH HAS BEEN OBSERVED UP TO FL240 MOVING WEST AT 10 KNOTS. THE CURRENT IMAGES FROM THE CENAPRED VOLCANO CAM CONFIRMS THIS ASH RELEASE. HOWEVER ASH IS NOT OBSERVED IN THE GOES-8 IMAGERY THROUGH 14/1545Z. . TRAJECTORY: ASH UP TO FL240 WILL MOVE TOWARDS THE WEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT MESSAGE WILL BE ISSUED BY 14/2230Z. . 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. . WALTER/KARST . NNNN