FVXX20 KWBC 131300
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG13/1330Z   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: 2001/166
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INFORMATION SOURCE: GOES-8 VISIBLE/INFRARED/MULTISPECTRAL IMAGERY.
13/1200Z UPPER WINDS FORECAST FROM THE 13/0600Z AVIATION MODEL.
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ERUPTION DETAILS: CONTINUOUS ERUPTION SINCE 06/1203Z. NEW EMISSION
OBSERVED AT AROUND 13/1130Z.
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DETAILS OF ASH CLOUD:  SATELLITE IMAGERY THROUGH 1245Z INDICATE A NEW
ERUPTION OF ASH BEGINNING AT AROUND 1130Z. THIS ASH IS OBSERVED TO
EXTEND 52 KM (28 NMI) NORTHEAST OF THE VOLCANO TO POINT 0103S7813W
AND IS 17 KM (9 NMI) WIDE. THIS ASH IS ESTIMATED TO BE UP TO FL350
BASED ON A FIT OF UPPER AIR FORECAST WINDS.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH AT FL350 TO MOVE NORTHEAST
AT 10 TO 15 KNOTS. ASH LOCATES AT OR NEAR SUMMIT LEVEL MAY BE MOVING
WEST SOUTHWEST AT 5 TO 10 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED BY 13/1900Z.
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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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HUGHES
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NNNN"Attached Graphic Map Depicting Ash Only" 

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