FVXX21 KWBC 231335
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1335 UTC 23 MAR 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-051    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 MULTISPECTRAL IMAGERY THROUGH 23/1215
UTC.
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ERUPTION DETAILS: ERUPTED AT APPROXIMATELY 22/1740 UTC
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DETAILS OF ASH CLOUD: WE HAVE NOT BEEN ABLE TO DETECT ANY ASH IN THE
IMAGERY DURING THE LAST 6 HOURS. THE LAST DETECTED POSITION WAS AT
23.8N 83.8W (0345 UTC) PRIOR TO THE ECLIPSE.
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TRAJECTORY: ANY ASH THAT MAY BE PRESENT BETWEEN FL300 AND FL400 WILL
BE MOVING EAST-SOUTHEAST AT 70 TO 80 KNOTS BASED ON MODEL FORECAST.
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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 CONCERNING THIS ERUPTION.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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