FVXX20 KWBC 182000
VOLCANIC ASH ADVISORY
ISSUED 2000 UTC 18 OCT 2000 BY THE WASHINGTON VAAC
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POPOCATEPETL 00-088        MEXICO   1901N 9837W  
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BACKGROUND:    POPOCATEPETL MEXICO (1401-09)
               SUMMIT HEIGHT   17930 FT (5465 M)  
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SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED IMAGERY AND
MULTISPECTRAL IMAGERY.  SIX HOUR WIND FORECAST FROM THE
18/1200 UTC AVIATION MODEL.  MEXICO CITY UPPER AIR SOUNDING. 
CENAPRED VOLCANO CAM.
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ERUPTION DETAILS: ERUPTION AROUND 18/1937 UTC. 
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DETAILS OF ASH CLOUD: MEXICO CITY MWO REPORTS AN ERUPTION OF
THE VOLCANO AT 18/1937 UTC TO FL210.  THERE IS NO EVIDENCE OF
THE PLUME IN THE CURRENT SATELLITE IMAGERY THROUGH 18/1945 UTC
HOWEVER A PLUME CAN BE SEEN ON THE CENAPRED VOLCANO CAM.
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TRAJECTORY: ASH AT FL210 WILL MOVE TOWARDS THE SOUTHWEST AT 10
KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 19/0200 UTC.
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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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WALTER
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