FVXX21 KWBC 231805
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1805 UTC 23 MAR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-052    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: MEXICO CITY MWO AND CENAPRED
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ERUPTION DETAILS: ERUPTED AT APPROXIMATELY 23/1635 UTC
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DETAILS OF ASH CLOUD: WE HAVE NOT BEEN ABLE TO DETECT ANY ASH IN
GOES-8 VISIBLE INFRARED OR MULTISPECTRAL SATELLITE IMAGERY. HOWEVER
CENAPRED REPORTS THAT VOLCANIC ASH IS PRESENT BETWEEN FL180 AND
FL200 5NMI TO THE EAST OF THE VOLCANO.
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TRAJECTORY: EAST AT 20 TO 25 KNOTS BASED ON MEXICO CITY UPPER-AIR
SOUNDING.
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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.
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THE NEXT MESSAGE WILL BE ISSUED BY 24/0000 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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