FVXX21 KWBC 112110
VOLCANIC ASH ADVISORY
ISSUED: 2001FEB11/2110Z  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: 2001/41
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INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY.  MEXICO CITY METEOROLOGICAL WATCH OFFICE.  PILOT
REPORTS. WIND FORECAST FROM THE AVIATION MODEL.
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ERUPTION DETAILS: ASH EMISSIONS AT 1938Z AND 1948Z.
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DETAILS OF ASH CLOUD: THE 2045Z VISIBLE SATELLITE IMAGE SHOWS
SOME ASH MOVING TO THE NORTHEAST OF THE VOLCANO AND SOME MOVING
TO THE SOUTH.  AT 2045Z ASH TO ABOUT FL310 EXTENDS TO THE
NORTHEAST FROM THE SUMMIT TO THE POINT 1912N 9835W. THIS PLUME IS
ABOUT 17 KM (9 NMI) LONG. ALSO AT 2045Z ANOTHER ASH PLUME EXTENDS
FROM THE SUMMIT TOWARD THE SOUTH TO THE POINT 1900N 9843W AND IS
15 KM (8 NMI) LONG. IN ADDITION THERE IS A PILOT REPORT OF ASH TO
THE WEST OF THE VOLCANO.
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TRAJECTORY: ASH TO FL310 IS MOVING TOWARD THE NORTHEAST AT 15
KNOTS.  ASH TO FL260 IS MOVING TO THE SOUTH AT ABOUT 10 KNOTS.
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 12/0300Z
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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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