FVXX21 KWBC 041110
VOLCANIC ASH ADVISORY 
ISSUED: 2000DEC04/1110Z   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: 2000/155                                           
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL 
IMAGERY.
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ERUPTION DETAILS: SATELLITE IMAGERY INDICATES A COUPLE OF
EXHALATIONS OCCURRED BETWEEN 0945Z AND 1030Z. 
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DETAILS OF ASH CLOUD: TWO SEPARATE ASH AREAS ARE SEEN IN SATELLITE
IMAGERY. THE FIRST APPEARS TO HAVE A THICKER ASH CONCENTRATION AND
IS 58 KM (31 NMI) EAST OF THE SUMMIT TO THE POINT 1900N 9804W AND IS
10 KM (5 NMI) IN DIAMETER. THE SECOND ASH AREA APPEARS TO HAVE A
THINNER CONCENTRATION AND IS CENTERED 26 KM (14 NMI) TO THE EAST-NORTHEAST OF THE SUMMIT AT THE POINT 1905N 9822W. THIS AREA IS 15 KM
(8 NMI) IN DIAMETER. BOTH AREAS OF ASH ARE ESTIMATED TO BE AT FL250.
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TRAJECTORY: THE ASH CLOUD IS MOVING TO THE EAST AT ABOUT 40 KTS. 
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 04/1700Z.
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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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RUMINSKI/HUGHES
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NNNN"Attached Graphic Map Depicting Ash" 

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