FVXX20 KWBC 090430
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG09/0430Z   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: 2001/148
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE. GOES-8 INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY. 12 HOUR WIND FORECAST FROM THE 08/1800Z AVIATION MODEL.
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ERUPTION DETAILS: ONGOING ERUPTION SINCE AT LEAST 06/1203Z. RECENT
SERIES OF EXPLOSIVE ERUPTIONS OCCURRING AROUND 08/2100Z   
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 09/0345Z CONTINUES
TO SHOW A LARGE AREA OF ASH.  THIS ASH IS REMOVED APPROXIMATES 49KM
(26 NMI) TO THE WEST OF THE SUMMIT.  AN AREA OF THICK ASH IS BOUNDED
BY THE FOLLOWING POINTS: 0130S7853W 0050S8040W 0143S8045W AND
0209S8000W.  AN AREA OF THIN ASH IS FOUND JUST TO THE WEST OF THIS
THICK ASH AND IS BOUNDED BY THE FOLLOWING POINTS: 0130S7853W
0049S8136W 0136S8249W 0159S8158W AND 0153S8042W.  A SECOND AREA OF
THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 0207S8017W 0231S8109W
0309S8205W 0336S8132W AND 0211S8008W.  CONTINUE TO THINK THE HEIGHT
OF THE ASH IS BETWEEN FL260 AND FL300.
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TRAJECTORY: ASH WILL CONTINUE TO DRIFT WEST AND SOUTHWEST AT 20 TO
25 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 09/1030Z.
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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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WALTER
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NNNN"Attached Graphic Map Depicting Ash Only" 

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