FVXX22 KWBC 231515
VOLCANIC ASH ADVISORY
ISSUED: 2001JAN23/1515Z   VAAC: WASHINGTON
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VOLCANO: POPOCATEPETL 1401-09
LOCATION: 1901N 9837W    AREA: MEXICO
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SUMMIT ELEVATION: 17930 FT (5465 M)
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ADVISORY NUMBER: 2001/17
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INFORMATION SOURCE: GOES-8 VISIBLE...INFRARED...AND MULTISPECTRAL
IMAGERY. THE MEXICO CITY MET WATCH OFFICE. 12Z UPPER AIR SOUNDINGS
FROM MEXICO CITY AND BELIZE INTERNATIONAL AIRPORT.
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ERUPTION DETAILS: NEW ERUPTION AROUND 23/1441Z.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 23/1445Z SHOWS A THICK
COLUMN OF ASH MOVING SOUTH FROM THE VOLCANO. THIS ASH IS EXTENDING 9
KM (5 NMI) TO 1856N 9836W. THIS ASH IS ESTIMATED TO BE AT FL300
BASED ON UPPER AIR WINDS AND GROUND OBSERVATIONS.
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...AN ADVISORY ON THE ORIGINAL ASH CLOUD NOW MOVING EASTWARD OVER
BELIZE WILL BE ISSUED BY 23/1630Z...
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH AT OR NEAR POPOCATEPETL
AT FL300 TO MOVE SOUTH SOUTHEAST AT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT ADVISORY WILL BE ISSUED AROUND 23/1630Z.
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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/TURK
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