FVXX21 KWBC 230430                                            
VOLCANIC ASH ADVISORY
ISSUED: 2001SEP23/0430  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: 2001/274
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INFORMATION SOURCE: GOES-8/10 INFRARED AND MULTISPECTRAL IMAGERY.
GUAYAQUIL METEOROLOGICAL WATCH OFFICE. AVIATION MODEL UPPER WINDS
FORECAST.
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ERUPTION DETAILS: LAST REPORT OF ASH AT 22/2130Z.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 0315Z AND GOES-10 THROUGH
0400Z DOES NOT INDICATE THE PRESENCE OF ASH. THE VOLCANO REMAINS IN AN
ACTIVE STATE AND COULD PRODUCE NEAR SUMMIT ASH EMISSIONS AT ANYTIME.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR SUMMIT LEVEL TO
FL300 WOULD MOVE WEST AT 10 TO 15 KNOTS. ANY ASH ABOVE FL300 WOULD MOVE
SOUTHWEST AT 5 TO 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THIS WILL BE THE LAST ADVISORY ISSUED ON THIS EVENT.
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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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