FVXX24 KWBC 121615                                            
VOLCANIC ASH ADVISORY
ISSUED: 2002FEB21/1615Z   VAAC: WASHINGTON
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TEST TEST TEST TEST
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VOLCANO: POPOCATEPETL 1401-09
LOCATION: 1901N9837W    AREA: MEXICO
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SUMMIT ELEVATION: 17930 FT (5465 M) 
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ADVISORY NUMBER: 2002/103
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INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. MEXICO CITY METEOROLOGICAL WATCH
OFFICE. AVIATION MODEL WIND FORECAST. PILOT REPORTS. MEXICO
CITY UPPER AIR SOUNDING.
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ERUPTION DETAILS: EXHALATION AT 21/1702Z     
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OBS ASH DATE/TIME: 21/1715Z
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OBS ASH CLOUD: SFC/FL350 1901N9837W-1820N9833W-1844N9905W-
1857N9910W-1901N9837W MOVING SW 25-35 KNOTS
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FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.
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REMARKS: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE
REPORTS AN EXHALATION OF THE VOLCANO WITH MOSTLY STEAM
MIXED WITH SOME ASH. PILOT REPORTS SUGGEST THAT THE ASH IS
TO FL350. ASH MAY EXTEND FARTHER TO THE WEST THAN INDICATED
BECAUSE CLOUDS WEST OF THE VOLCANO ARE HAMPERING ASH
DETECTION...WALTER/KARST
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NEXT ADVISORY: WILL BE ISSUED BY 2001NOV22/0000Z
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