FVXX20 KWBC 240215 CCA
VOLCANIC ASH ADVISORY STATEMENT--CORRECTION 
ISSUED 0215 UTC 24 MAY 2000 BY THE WASHINGTON VAAC
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CORRECTION TO CHANGE BULLETIN DATE 
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POPOCATEPETL 00-026        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 INFRARED AND MULTISPECTRAL
IMAGERY.  MEXICO CITY METEOROLOGICAL WATCH OFFICE. MEXICO CITY
UPPER AIR SOUNDING.  6 HOUR WIND FORECAST FROM THE 23/1800 UTC
AVIATION MODEL.
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ERUPTION DETAILS: ERUPTION AT 23/1430 UTC AND MODERATE
EXHALATIONS AT 23/1910 UTC AND 24/0134 UTC.
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DETAILS OF ASH CLOUD: THE MEXICO CITY METEOROLOGICAL WATCH
OFFICE REPORTS ANOTHER EXHALATION OF THE VOLCANO WHICH WAS
BELIEVED TO HAVE PRODUCED ASH. HOWEVER NO ASH CAN BE SEEN IN
SATELLITE IMAGERY THROUGH 24/0145 UTC DUE TO THE DENSE WEATHER
CLOUDS COVERING THE AREA. 
  AT 23/1445 UTC ASH TO ABOUT FL320 FROM THE INITIAL ERUPTION
WAS OBSERVED IN SATELLITE IMAGERY AS THE ASH MOVED TO THE
NORTHWEST.  HOWEVER SINCE THAT TIME WEATHER CLOUDS HAVE
PREVENTED SATELLITE OBSERVATION OF THE INITIAL ASH OR THE TWO
SUBSEQUENT EXHALATIONS.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN
THE SUMMIT AND FL320 WOULD MOVE TOWARD THE WEST AT LESS THAN
10 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD
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THE NEXT STATEMENT WILL BE ISSUED BY 24/0815 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORY STATEMENTS 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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