FVXX21 KWBC 210730 VOLCANIC ASH ADVISORY ISSUED: 2003FEB21/0730Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 LOCATION: N1901W09837 AREA: MEXICO SUMMIT ELEVATION: 17930 FT (5465 M) ADVISORY NUMBER: 2003/035 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST MEXICO CITY MWO ERUPTION DETAILS: NEW EXHALATION AT 20/2357Z. OBS ASH DATE/TIME: 21/0715Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING E 30-40 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: ASH CAN NOT BE SEEN ON THE SATELLITE IMAGERY THROUGH 21/0715Z. SATELLITE IMAGERY AT 0315Z SHOWED POSSIBLE ASH NEAR THE VOLCANO WHICH MOVED TO THE NORTH NORTHEAST AND WAS NO LONGER DISCERNABLE BY 0445Z. TO OBTAIN VAA FROM THE WASHINGTON VAAC EMAIL NOTIFICATION SEE THE WEB PAGE http://www.ssd.noaa.gov/VAAC/subscribe.html(ALL LETTERS IN ADDRESS ARE IN LOWER CASE EXCEPT VAAC). THE WASHINGTON VAAC WILL MAKE EVERY EFFORT TO KEEP THE EMAIL NOTIFICATION UP AND RUNNING. HOWEVER IT IS NOT CONSIDERED AN OFFICIAL METHOD OF DISTRIBUTION. NEXT ADVISORY: WILL BE ISSUED BY 2003FEB21/1330Z. NNNN