FVXX21 KWBC 072040
VOLCANIC ASH ADVISORY
ISSUED: 2002JAN07/2040Z  VAAC: WASHINGTON
.
VOLCANO: POPOCATEPETL 1401-09
LOCATION: 1901N 9837W    AREA: MEXICO
.                             
SUMMIT ELEVATION: 17930 FT (5465 M) 
.
ADVISORY NUMBER: 2002/001

INFORMATION SOURCE: GOES-8 VISIBLE/INFRARED/MULTISPECTRAL
IMAGERY. MEXICO CITY METEOROLOGICAL WATCH OFFICE. 07/1200Z UPPER
AIR SOUNDING FROM MEXICO CITY.
.
ERUPTION DETAILS: SMALL ASH EMISSION AT ROUGHLY 1930Z.
.
DETAILS OF ASH CLOUD: A SMALL BUT VERY DEFINABLE ASH CLOUD CAN BE
SEEN MOVING EAST FROM POPOCATEPETL AT 35 TO 40 KNOTS. THIS ASH IS
CENTERED 5 NM AROUND POINT 1900Z 9812W. THIS CLOUD IS ESTIMATED
TO BE AT FL250.
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH AT FL250 TO MOVE EAST
AT 30 TO 40 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
NEXT ADVISORY: WILL BE ISSUED BY 2002JAN08/0245Z
.         
HUGHES/TURK
.
NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"