FVXX21 KWBC 010600
VOLCANIC ASH ADVISORY STATEMENT  
ISSUED 0600 UTC 01 FEB 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-128         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: JANUARY 31 GEOPHYSICAL INSTITUTE
REPORT...GOES-8 INFRARED AND MULTISPECTRAL SATELLITE IMAGERY...1800
UTC AVIATION MODEL WIND FORECAST...WIND INFORMATION FROM THE
GEOPHYSICAL INSTITUTE.
.
ERUPTION DETAILS: INTERMITTENT EXPLOSIONS PRODUCING STEAM AND ASH.
.
DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 0515
UTC.  HOWEVER ASH DETECTION COULD BE HINDERED BY THE LOW AND MID
LEVEL WEATHER CLOUDS COVERING MOST OF ECUADOR.
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE
SUMMIT AND FL220 WOULD MOVE TOWARD THE WEST AT 10 TO 25 KNOTS.
.
OUTLOOK:  SEE SIGMETS 
.
THE NEXT STATEMENT WILL BE ISSUED BY 01/1200 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