FVXX20 KWBC 121910
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1910 UTC 12 MAR 1999 BY THE WASHINGTON VAAC
.
POPOCATEPETL 99-024   MEXICO 19.02N 98.62W 
.
BACKGROUND:    POPOCATEPETL MEXICO (1401-09)
               SUMMIT HEIGHT 17930 FT (5465 M)
.
SOURCES OF INFORMATION: METEOROLOGICAL WATCH OFFICE IN MEXICO
CITY...GOES-8 IMAGERY...POPO CAMERA
.
ERUPTION DETAILS:  APPROXIMATELY 12/1552 UTC.
.
DETAILS OF ASH CLOUD: ASH FROM THE 1552 UTC SHORT-DURATION ERUPTION
IS STILL VISIBLE IN GOES-8 MULTISPECTRAL IMAGERY AT 1815 UTC. THE
PREVIOUS VOLCANIC ASH ADVISORY STATEMENT HAD INDICATED THAT THE ASH
HAD DISSIPATED. AT 1815 UTC THE ASH CLOUD WAS WITHIN 16 KM OF THE
POINT 19.4N 97.7W. IT IS ESTIMATED THAT THE ASH IS AT FL240.
.
TRAJECTORY: THE ASH WAS MOVING TO THE EAST NORTHEAST AT ABOUT 20
KNOTS.
.
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/)
.
OUTLOOK: SEE VAFTAD AND SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 13/0100.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN

"Attached Graphic Map Depicting Ash" 

""