FVXX20 KWBC 281455
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1455 UTC 28 MAY 1999 BY THE WASHINGTON VAAC
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POPOCATEPETL 99-072 MEXICO 19.02N 98.62W
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BACKGROUND: POPOCATEPETL MEXICO (1401-09)
SUMMIT HEIGHT 17930 FT (5465M)
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SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL SATELLITE IMAGERY.
CENAPRED ONLINE POPO-CAM. 1200 UTC MEXICO CITY SOUNDING ...
CENAPRED VOLCANO OBSERVATORY
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ERUPTION DETAILS: ERUPTION AT 28/1230 UTC.
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DETAILS OF ASH CLOUD: A FAINT ASH CLOUD IS APPARENT ON MULTI-SPECTRAL IMAGERY. ASH IS LOCATED AT APPROXIMATELY FL300. THE PLUME
EXTENDS 70 KM (38 NMI) NORTH FROM THE SUMMIT AND IS APPROXIMATELY 21
KM (11 NMI) WIDE.
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TRAJECTORY: MOVING TOWARDS THE NORTH AND NORTH-NORTHEAST AT 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.
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A FOLLOW UP VAAS WITH GRAPHIC WILL BE ISSUED SHORTLY.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash"
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