FVXX20 KWBC 180045       
VOLCANIC ASH ADVISORY
ISSUED: 2001MAY18/0045Z   VAAC: WASHINGTON
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VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
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SUMMIT ELEVATION: 16480 FT (5023 M)
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ADVISORY NUMBER: 2001/62

INFORMATION SOURCE: GUAYAQUIL SIGMET. GEOPHYSICAL INSTITUTE REPORT.
GOES 8 INFRARED AND MULTISPECTRAL IMAGERY. AVIATION MODEL WIND
FORECAST.            
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ERUPTION DETAILS: ERUPTION OCCURRED AROUND 17/2330Z. 
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DETAILS OF ASH CLOUD: DUE TO HIGHER LEVEL CLOUD COVER OVER THE
REGION NO ASH CLOUD CAN BE SEEN FROM SATELLITE IMAGERY THROUGH
18/0015Z. THE  GEOPHYSICAL INSTITUTE HAS UPDATED THEIR ESTIMATED
HEIGHT OF THE ASH CLOUD BASED ON SURFACE OBSERVATION TO AROUND FL320
AND MOVING SOUTHWEST.
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TRAJECTORY: ASH BETWEEN FL160 AND AROUND FL320 IS FORECAST TO MOVE
SOUTHWESTERLY AROUND 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 18/0600Z.
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REAL TIME SATELLITE IMAGERY AND 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/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.     
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