FVXX21 KWBC 130315 VOLCANIC ASH ADVISORY ISSUED: 2001MAR13/0315Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/50 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: OBSERVATION OF ASH TO FL230 AT 13/0224Z. . DETAILS OF ASH CLOUD: THE METEOROLOGICAL WATCH OFFICE IN MEXICO CITY REPORTS ASH TO FL230 AT 13/0224Z. GOES-8 IMAGERY SHOWS A HOT SPOT IN SHORTWAVE IMAGERY BUT DOES NOT SHOW ANY ASH PLUME AT THIS TIME. . TRAJECTORY: ACCORDING TO UPPER AIR REPORTS ANY ASH UP TO FL230 SHOULD MOVE TO THE EAST AT 30 KTS . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE AT 13/0915Z. . 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