FVXX21 KWBC 180930
VOLCANIC ASH ADVISORY
ISSUED: 2002DEC18/0930Z  VAAC: WASHINGTON
 
VOLCANO: POPOCATEPETL 1401-09
LOCATION: N1901W09837    AREA: MEXICO
                              
SUMMIT ELEVATION: 17930 FT (5465 M) 
                         
ADVISORY NUMBER: 2002/034

INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING. MEXICO
CITY MWO.

ERUPTION DETAILS: ERUPTION AT 18/0812Z.

OBS ASH DATE/TIME: 18/0845Z

OBS ASH CLOUD: SFC/FL300 7 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1852W09827 N1845W09818 MOVING S 35-45 KNOTS.  SFC/350 13 NM WIDE
LINE OF ASH EXTENDING BETWEEN N1853W09834 N1909W09817 MOVING E
15-20 KNOTS.
           
FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD

REMARKS: ADDITIONAL SATELLITE IMAGERY SINCE THE ERUPTION HAS
ALLOWED FOR THE ANALYSIS OF TWO AREAS OF ASH.  ASH TO FL300 IS
MOVING SOUTH TO SOUTHEAST AT 35-45 KNOTS WHILE ASH BETWEEN FL300
AND FL350 IS MOVING TOWARDS THE EAST AT 15-20 KNOTS.  A DISTINCT
HOTSPOT CONTINUED TO BE SEEN IN SATELLITE IMAGERY THROUGH 0915Z.
TURK

NEXT ADVISORY: WILL BE ISSUED BY 2001DEC18/1500Z.

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"Attached Graphic Map Depicting Ash Only" 

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