FVXX21 KWBC 071835
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1835 UTC 07 JULY 1999 BY THE WASHINGTON VAAC 
.
POPOCATEPETL 99-082   MEXICO 19.02N 98.62W 
.
BACKGROUND:    POPOCATEPETL MEXICO (1401-09)
               SUMMIT HEIGHT 17930 FT (5465 M)
.
SOURCES OF INFORMATION:  MEXICO CITY MWO... GOES 8 VISIBLE INFRARED
AND MULTI SPECTRAL IMAGERY..CENEPRED REMOTE CAMERA... 1200 UTC
MEXICO CITY SOUNDING.
.
ERUPTION DETAILS:   REPORTED ERUPTION 07/1210 UTC TO FL200.
.
DETAILS OF ASH CLOUD:  NO PLUME IS VISIBLE ON GOES8 IMAGERY AT THIS
TIME. 
. 
TRAJECTORY: THE 07/1200 UTC MEXICO CITY UPPER AIR SOUNDING SUGGESTS
ANY ASH AT FL200 WOULD MOVE TOWARD THE WEST-NORTHWEST SOUTHWEST AT
ABOUT 10 KNOTS.
.
REAL TIME SATELLITE IMAGERY ALONG WITH 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/washington.html
(all lower case except /VAAC/)
.
OUTLOOK:  SEE LATEST SIGMETS.
.
THIS IS THE LAST MESSAGE FOR THIS EVENT.      
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN