FVXX20 KWBC 061510
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG06/1510Z   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: 2001/137
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INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.  GOES-8
VISIBLE..INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SIX HOUR WIND
FORECAST FROM THE 06/0600Z AVIATION MODEL.
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ERUPTION DETAILS: A SIGMET FROM THE GUAYAQUIL MWO NOTED A PIREP OF
ASH TO FL240 AT 1203Z AND ANOTHER TO FL300 AT 1350Z.

DETAILS OF ASH CLOUD: CLOUDS HAD BROKEN SUFFICIENTLY TO INDICATE TWO
SEPARATE ASH PLUMES AT 1415Z.  ONE PLUME EXTENDED FROM THE SUMMIT TO
105S7834W OR APPROXIMATELY 18 KM (10 NMI) NORTH NORTHWEST OF THE
VOLCANO.  THIS PLUME WAS UP TO 18 KM (10 NMI) WIDE AND WAS ESTIMATED
FROM MODEL DATA TO BE UP TO FL350.  A SECOND PLUME OF ASH EXTENDED
FROM THE SUMMIT TO 150S8032W OR ROUGHLY 239 KM (127 NMI) TO THE WEST
SOUTHWEST OF THE VOLCANO.  THIS PLUME WAS UP TO 40 KM (22 NMI) WIDE
AND ESTIMATED TO BE NEAR FL240.
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THE SECOND PLUME NEAR FL240 APPEARS TO BE RATHER CONTINUOUS WHILE
THE ASH NEAR FL350 OCCURS IN PERIODIC EXPLOSIVE EMISSIONS FROM THE
VOLCANO.
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TRAJECTORY: ASH TO FL240 WOULD MOVE WEST SOUTHWEST AT 15 TO 20 KNOTS
WHILE ASH TO FL350 WOULD MOVE NORTH NORTHWEST 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 06/2100Z.
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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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TURK
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NNNN"Attached Graphic Map Depicting Ash Only" 

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