FVXX21 KWBC 042330
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2330 UTC 04 APR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-063    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: GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY.
1200 UTC MEXICO CITY SOUNDING. CENAPRED REPORT. 
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ERUPTION DETAILS: ERUPTION AROUND 04/0823UTC.
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DETAILS OF ASH CLOUD: MID AND HIGH LEVEL CLOUDS CURRENTLY COVER THE
AREA AROUND THE VOLCANO. IT IS NOT POSSIBLE TO DETECT THE ASH THAT
HAD DRIFTED TO THE EAST FROM THE EARLIER ERUPTION.  
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TRAJECTORY: ANY ASH REMAINING FROM THE EARLIER ERUPTION BETWEEN
FL180 AND FL300 WOULD MOVE TO THE EAST AT 30 TO 40 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 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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