FVXX20 KWBC 130240
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG13/0240Z   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: 2001/164
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE. INFRARED
AND MULTISPECTRAL SATELLITE IMAGERY.  WIND FORECAST FROM THE
AVIATION MODEL.
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ERUPTION DETAILS: CONTINUOUS ERUPTION SINCE 06/1203Z.  
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DETAILS OF ASH CLOUD:  SATELLITE IMAGERY THROUGH 13/0145Z SHOWED
THIN ASH CLOUDS MOVING IN 2 DIRECTIONS FROM THE VOLCANO.  THE ASH
CLOUD MOVING NORTH FROM THE VOLCANO AND ESTIMATED TO FL300 WAS
BETWEEN POINTS 0129S 7849W AND 0008N 7816W AND WAS ROUGHLY 113 KM
(61 NMI) WIDE. THE ASH CLOUD MOVING WEST TO SOUTHWEST BELOW FL250
EXTENDED FROM THE SUMMIT (257 DEGREES) AROUND 380 KM (166 NMI) TO
POINT 0204S 8109W AND WAS ROUGHLY 130 KM (70 NMI) WIDE.
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TRAJECTORY: ASH FROM FL260 TO FL30O WILL MOVE NORTHERLY AROUND 5 TO
10 KNOTS. ASH BELOW FL250 WILL MOVE WESTERLY AROUND 10 TO 15 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 13/0830Z.
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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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NNNN"Attached Graphic Map Depicting Ash Only" 

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