FVXX20 KWBC 122135
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2135 UTC 12 MAR 1999 BY THE WASHINGTON VAAC
.
POPOCATEPETL 99-025 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 12/2015 UTC.
.
DETAILS OF ASH CLOUD: POPOCATEPETL HAS ERUPTED AGAIN AT
APPROXIMATELY 2015 UTC. THE ASH CLOUD IS CLEARLY SEEN IN GOES-8
VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. THE HEIGHT OF THE ASH
IS ESTIMATED TO BE AT FL280. THE ASH IS BOUNDED BY POINTS 19.1N98.6W
19.2N98.5W 19.1N98.3W 19.0N98.4W AND 19.1N98.5W. THE ASH APPEARS TO
BE MORE DENSE IN SATELLITE IMAGERY THAN THE PREVIOUS ERUPTION THIS
MORNING AT 1552 UTC. THE ASH FROM THE EARLIER ERUPTION CAN NO LONGER
BE DISCERNED. IT WAS LAST VISIBLE APPROACHING THE THE EAST COAST OF
MEXICO NEAR 19.9N96.5W.
.
TRAJECTORY: THE ASH WAS MOVING TO THE NORTHEAST AT ABOUT 35 KNOTS
ESTIMATED AT FL280.
.
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 13/0330.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN
"Attached Graphic Map Depicting Ash"
"
"