FVXX20 KWBC 031500
VOLCANIC ASH ADVISORY
ISSUED: 2001JUL03/1500Z   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: 2001/80.

INFORMATION SOURCE: GOES-8 MULTISPECTRAL AND INFRARED SATELLITE
IMAGERY. UPPER AIR OBSERVATION FROM MEXICO CITY. UPPER AIR FORECAST
VALID 1200Z. MEXICO CITY METEOROLOGICAL WATCH OFFICE. CENTER FOR
PREVENTION OF NATURAL DISASTERS. 
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ERUPTION DETAILS: EXHALATIONS WITH ASH AT 0925Z AND 1148Z.
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DETAILS OF ASH CLOUD: PILOT REPORTS AND GROUND OBSERVATIONS INDICATE
AN ASH CLOUD 5 NMI SOUTHEAST OF MEXICO CITY AIRPORT AT 1430Z. THERE
HAVE ALSO BEEN REPORTS OF LIGHT ASH PRECIPITATING ONTO THE RUNWAYS.
THIS ASH CLOUD IS ESTIMATED TO BE AT FL170. THIS IS POSSIBLY THE ASH
CLOUD THAT ERUPTED FROM POPOCATEPETL AT 1148Z.
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TRAJECTORY: ASH AT OR BELOW FL200 IS MOVING NORTHWEST AT 5 TO 10
KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 03/2100Z.
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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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HUGHES/DS
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