FVXX20 KWBC 300300
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0300 UTC 30 JAN 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-004   MEXICO 19.02N 98.62W 
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BACKGROUND:    POPOCATEPETL MEXICO (1401-09)
               SUMMIT HEIGHT 17930 FT (5465 M)
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SOURCES OF INFORMATION: SIGMET FROM MEXICO CITY MWO...GOES-8
INFRARED AND MULTISPECTRAL IMAGERY....0000 UTC SOUNDING FROM MEXICO
CITY AND 0000 UTC GOES-8 & -10 HIGH DENSITY WINDS.
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ERUPTION DETAILS: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE
REPORTS AN EXHALATION OF STEAM AND ASH UP TO FL290 AT 29/2015 UTC. 
THE STEAM AND ASH WAS REPORTED MOVING NORTHEAST. 
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DETAILS OF ASH CLOUD: NO ASH CLOUD IS VISIBLE IN SATELLITE IMAGERY
THROUGH 30/0232 UTC.
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TRAJECTORY: ANY REMAINING ASH WOULD MOVE TO THE NORTHEAST AT
20-30 KTS.
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THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY
A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
www.ssd.noaa.gov/VAAC/messages.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THIS WILL BE THE LAST MESSAGE FOR THIS EVENT.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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