FVXX22 KWBC 121610                                               
VOLCANIC ASH ADVISORY
ISSUED: 2002FEB12/1610Z   VAAC: WASHINGTON
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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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