FVXX21 KWBC 151500
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1500 UTC 15 APR 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-445        ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE ... INFRARED AND
MULTISPECTRAL IMAGERY...REPORTS FROM THE GEOPHYSICAL
INSTITUTE. 
.
ERUPTION DETAILS: NEARLY CONTINUOUS GAS EMISSIONS WITH
OCCASIONAL ASH EMISSIONS.
.
DETAILS OF ASH: SATELLITE IMAGERY THROUGH 15/1415 UTC SHOWS A
THIN PLUME OF STEAM AND ASH TO THE NORTH AND NORTHWEST OF THE
VOLCANO.  CLOUDS IN THE AREA ARE MAKING THE EXACT EDGE OF THE
ASH AND STEAM PLUME DIFFICULT TO DISCERN.  HOWEVER THE PLUME
APPEARS TO BE BOUNDED BY POINTS 0129S 7826W TO 0120S 7821W TO
0109S 7829W TO 0105S 7841W TO 0108S 7843W TO 0119S 7831W AND
0127S 7827W. THIS AREA EXTENDS APPROXIMATELY 55 KM FROM THE
SUMMIT.
.
THE GEOPHYSICAL INSTITUTE REPORTED THAT THEY NOTICED A PLUME
OF MOSTLY STEAM ABOUT 11 UTC EXTENDING APPROXIMATELY 2 KM
ABOVE THE SUMMIT OR TO FL230.  THERE WAS NO EXPLOSIVE ERUPTION
REPORTED.
.
TRAJECTORY: ASH FROM THE SUMMIT TO FL230 IS MOVING NORTH TO
NORTH WEST AT ABOUT 15-20 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 15/2100 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"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"