FVXX20 KWBC 221815
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1815 UTC 22 SEPTEMBER 1999 BY THE WASHINGTON VAAC 
.
GUAGUA PICHINCHA 99-015 ECUADOR 0.17S 78.60W 
.
BACKGROUND:    GUAGUA PICHINCHA (1502-02)
               SUMMIT HEIGHT    15,695FT (4784 M)  
.
SOURCES OF INFORMATION:  SIGMET FROM GUAYAQUIL MWO.  GOES-8 INFRARED
AND MULTISPECTRAL IMAGERY.

ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 22/1510 UTC.            
.
DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED AN ERUPTION
OF VAPOR AND VOLCANIC ASH TO FL250. THE GOES-8 MULTISPECTRAL IMAGERY
AT 1645 UTC SHOWED POSSIBLE ASH MOVING WESTWARD AND DISSIPATING BY
1715 UTC. 
.
TRAJECTORY: ASH AT FL250 MOVING NNW AT 5 TO 10 KTS. 
.
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 SIGMETS.
.
THE NEXT MESSGE WILL BE ISSUED AROUND 23/0000Z.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN