FVXX20 KWBC 242000
VOLCANIC ASH ADVISORY
ISSUED 2000 UTC 24 JUL 2000 BY THE WASHINGTON VAAC
.
GUAGUA PICHINCHA 00-184         ECUADOR 0011S 7836W 
.
BACKGROUND:    GUAGUA PICHINCHA ECUADOR (1502-02)
               SUMMIT HEIGHT    15695 FT (4784 M)  
.
SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED...AND
MULTISPECTRAL IMAGERY. 24/1800 UTC FORECAST UPPER WINDS FROM
THE 24/1200 UTC AVIATION MODEL. 
.
ERUPTION DETAILS: OVERNIGHT ACTIVITY CONFINED TO THE CALDERA.
.
DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1915 UTC SHOWS NO
SIGN OF ASH AT OR NEAR THE SUMMIT. SHORTWAVE INFRARED AND
REFLECTIVITY IMAGERY ALSO INDICATES THE LACK OF A DISCERNABLE
HOT SPOT. 
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR
SUMMIT LEVEL TO MOVE WEST AT 5 TO 10 KNOTS.
.
OUTLOOK:  SEE SIGMETS.
.
THIS WILL BE THE LAST ADVISORY ISSUED FOR THIS EVENT.
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
HUGHES
.
NNNN