FVXX21 KWBC 270630
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0630 UTC 27 APR 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-493         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY.  UPPER WINDS FORECAST FROM THE AVIATION MODEL.
.
ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.   
.
DETAILS OF ASH: THE LATEST REPORT OF ASH WAS A SURFACE
OBSERVATION FROM CHIMBORAZO AT 26/2200 UTC REPORTING VOLCANIC
ASH OVER THE VOLCANO TO FL170 MOVING WESTWARD.  SATELLITE
IMAGERY THRU 0545 UTC SHOWS NO ASH ALTHOUGH EXTENSIVE CLOUDS
ARE PRESENT.                                            .  
.
TRAJECTORY: ANY ASH OR STEAM TO FL170 WOULD MOVE TOWARDS THE
WEST AT 10-15 KTS.
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT STATEMENT WILL BE ISSUED BY 27/1230 UTC.
.
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
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.

NNNN