FVXX20 KWBC 171730
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG17/1730Z   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: 2001/184
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INFORMATION SOURCE: GOES-8 VISIBLE/INFRARED/MULTISPECTRAL IMAGERY.
17/1800Z UPPER WINDS FORECAST FROM THE 17/1200Z AVIATION MODEL.
GUAYAQUIL MET WATCH OFFICE.
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ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1715Z SHOWS A PLUME OF
THIN ASH EXTENDING WEST SOUTHWEST (260 DEGREES) FROM THE VOLCANO 143
KM (77 NMI) TO POINT 0144S7943W. THIS ASH IS 20 KM (11 NMI) AT ITS
WIDEST POINT AND ESTIMATED TO BE UP TO FL220 BASED ON UPPER AIR
WINDS FORECAST.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR SUMMIT
LEVEL TO MOVE SOUTH EST AT 5 TO 10 KNOTS. ASH FROM FL170 TO FL300
WOULD MOVE NORTHWEST AT 5 TO 10 KNOTS. ASH ABOVE FL300 WOULD MOVE
NORTHEAST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 17/2330Z.
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INTERNET URLS...
MESSAGE LISTSERV   WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML
MESSAGES GRAPHICS AND IMAGERY  
WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWERCASE EXCEPT /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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HUGHES
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NNNN"Attached Graphic Map Depicting Ash Only" 

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