FVXX20 KWBC 150925
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC15/0925Z  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: 2000/178
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.
0000Z MEXICO CITY UPPER AIR SOUNDINGS. MEXICO CITY MWO
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ERUPTION DETAILS: CONTINUING ASH EMISSIONS 
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DETAILS OF ASH CLOUD: GOES8 IMAGERY THROUGH 0745Z SHOWS
EMISSIONS OF ASH WHICH STARTED AT 0515Z CONTINUING TO OCCUR. 
ASH IS BOUNDED BY 1834N 9828W 1900N 9851W 1926N 9054W 1858N
9024W. THICK ASH EXTENDS 25NM SOUTH OF THE VOLCANO AND THINNER
ASH EXTENDS 30 NM NORTH OF THE VOLCANO. ASH SOUTH OF THE
VOLCANO IS MOVING SOUTH AT 15KT. THINNER ASH NORTH OF THE
VOLCANO IS MOVING NNW AT 10 KTS. HEIGHT IS ESTIMATED AT FL250. 


THE DISPERSING AREA OF ASH WEST OF THE VOLCANO IS NOW
APPROXIMATE BOUNDED BY 1804N 10030W 1827N 10041W 1859N 10017N
1859N 9952W.  THE CENTER OF THE ASH AREA IS 185KM(100NMI) WEST
OF THE VOLCANO.  ASH WAS ESTIMATED AT FL220.
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TRAJECTORY: ASH CURRENTLY NEAR THE SUMMIT IS MOVING SOUGH AT
15KT AND NORTH NORTHWEST AT 10KT.  ASH WEST OF THE SUMMIT IS
MOVING WEST AT 10KT.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 15/1530Z.
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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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NNNN"Attached Graphic Map Depicting Ash" 

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