FVXX21 KWBC 010630                
VOLCANIC ASH ADVISORY
ISSUED: 2001JUN01/0630Z   VAAC: WASHINGTON
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VOLCANO: POPOCATEPETL 1401-09
LOCATION: 1901N 9837W   AREA: MEXICO
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SUMMIT ELEVATION: 17930 FT (5465 M)
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ADVISORY NUMBER: 2001/67
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY...MEXICO CITY METEOROLOGICAL WATCH OFFICE...SIGMET...
AVIATION MODEL
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ERUPTION DETAILS: STEAM AND ASH EMISSION
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DETAILS OF ASH CLOUD: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE
REPORTS THAT ASH TO FL250 WAS OBSERVED AT 01/0239Z.  THE MOST RECENT
SIGMET NOW INDICATES THAT THE ASH IS MOVING WEST. ASH CANNOT BE
OBSERVED IN SATELLITE IMAGERY THROUGH 0545Z POSSIBLY BECAUSE OF
WEATHER CLOUDS IN THE AREA.
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TRAJECTORY: ASH BETWEEN FL180 AND FL250 IS NOW REPORTED TO BE MOVING
TO THE WEST. UPPER AIR PATTERNS SUGGEST THAT IT WOULD MOVE AT LESS
THAN 10 KNOTS. 
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OUTLOOK:  SEE SIGMETS.
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THIE NEXT ADVISORY WILL BE ISSUED BY 01/1230Z.
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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/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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