FVXX20 KWBC 191600
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG19/1600Z 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: 2001/192
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INFORMATION SOURCE: GOES-8 VISIBLE/INFRARED/MULTISPECTRAL/PRINCIPLE
COMPONENT IMAGERY. 19/1800Z UPPER WINDS FORECAST FROM THE 19/0600Z
AVIATION MODEL. GUAYAQUIL MET WATCH OFFICE SIGMETS AND PIREPS.
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ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 19/1545Z INDICATE A
FAINT ASH PLUME MOVING SOUTHWEST (234 DEGREES) FROM THE VOLCANO. THIS
ASH IS LOCATED FROM 0128S7826W TO 0145S7851W AND IS 53 KM (28 NMI)
LONG. THIS CLOUD IS 15 KM (8 NMI) WIDE AND IS ESTIMATED TO BE UP TO
FL200 BASED ON UPPER AIR WINDS.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH FROM SUMMIT LEVEL TO
FL200 TO MOVE SOUTHWEST AT 5 TO 10 KNOTS. ASF FROM FL200 TO FL300 WOULD
MOVE NORTHEAST AT 5 TO 10 KNOTS. ASH ABOVE FL300 WOULD MOVE EAST
SOUTHEAST 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 19/2200Z.
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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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