FVXX20 KWBC 201400
VOLCANIC ASH ADVISORY
ISSUED: 2000DEC20/1400Z  VAAC: WASHINGTON
.
VOLCANO: POPOCATEPETL 1401-09
LOCATION: 1901N 9837W    AREA: MEXICO
.
SUMMIT ELEVATION: 17930 FT (5465 M)
.
ADVISORY NUMBER: 2000/201
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 
POPOCATEPETL CAM. 00Z UPPER AIR DATA FROM MEXICO CITY. 
.
ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH
.
DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 1302Z
INDICATES SOME MINOR VENTING OF ASH AND STEAM AT THIS TIME. A
VERY LARGE ASH CLOUD COVERS A DECENT PORTION OF SOUTHERN
MEXICO...WELL EAST ACROSS THE SOUTHERN GULF OF MEXICO AND OVER
TO NEAR THE NORTH TIP OF THE YUCANTAN PENNISULA.
.
THE HIGHEST ASH AT FL320 IS BOUNDED BY THE FOLLOWING POINTS:
1922N9543W 1845N9600W 1849N9829W AND 1909N9832W. WITHIN THIS
AREA IS THICK ASH BETWEEN 1911N9557W AND 1903N9656W WITH A
WIDTH OF 29 KM (16 NMI). A SECOND LARGE ASH CLOUD TO FL320 IS
BOUNDED BY 1629N9609W 1706N9416W 1805N9322W 2245N8629W
1928N9334W AND 1811N9628W. ANOTHER EXPANSIVE AREA OF ASH TO
FL250 IS BOUNDED BY 1902N9830W 1809N9820W 1736N9939W
1639N9936W 1622N9606W 1740N9558W AND 1845N9659W. WITHIN THIS
ARE IS A DENSE ASH BOUNDED BY THE POINTS 1851N9819W 1723N9831W
1710N9814W 1744N9719W 1820N9745W AND 1845N9747W.
.
TRAJECTORY: ASH TO FL320 IS MOVING EAST AT 30 KNOTS. ASH TO
FL250 IS MOVING VARIABLY AT 10 KNOTS OR LESS.
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT MESSAGE WILL BE ISSUED BY 20/2000Z.
.
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/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
ORRISON
.
NNNN"Attached Graphic Map Depicting Ash" 

""