FVXX20 KWBC 141800 CCA
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED: 2001AUG14/1800Z   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: 2001/171
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INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY. GUAYAQUIL SIGMET. AVIATION MODEL UPPER WIND FORECAST
SATELLITE DERIVED HIGH DENSITY WINDS.
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ERUPTION DETAILS: CONTINUOUS ERUPTION SINCE 06/1203Z. PARTICULARLY
STRONG EMISSIONS AT ABOUT 13/1130Z 13/1700Z AND 13/1815Z.
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DETAILS OF ASH CLOUD:  SATELLITE IMAGERY THROUGH 1715Z SHOWS AN ASH
PLUME ESTIMATED TO BE AS HIGH AS FL300 EXTENDING TO THE EAST AND
SOUTHEAST OF THE VOLCANO. THIN ASH IS BOUNDED ROUGHLY BY POINTS 0128S
7826W TO 0205S 7819W TO 0230S 7714W TO 0208S 7628W TO 0125S 7622W TO
0102S 7020W AND 0125S 7828W.  WITHIN THIS AREA IS THICKER ASH BOUNDED
BY POINTS 0155S 7720W TO 0139S 7713W TO 0120S 7731W TO 0121S 7728W TO
0121S 7739W TO 0152S 7728W AND 0155S 7720W.

LOWER THIN ASH REMAINS TO THE SOUTH SOUTHWEST OF THE VOLCANO AND IS
ESTIMATED TO BE BELOW FL250. THIS ASH IS ROUGHLY BOUNDED BY POINTS
0126S 7826W TO 0126S 7842W TO 0143S 7910W TO 0216S 7856W TO 0140S
7825W AND 0128S 7828W. 
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TRAJECTORY: ASH TO FL250 WOULD BE INFLUENCED BY LIGHT AND VARIABLE
WINDS.  ASH FROM FL250 TO FL300 WOULD MOVE SOUTH SOUTHEAST AT 10 TO
15 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 15/0000Z.
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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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