FVXX20 KWBC 191504
VOLCANIC ASH ADVISORY
ISSUE: 2003JUL19/1500Z VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
LOCATION: N1901W09837    AREA: MEXICO

SUMMIT ELEVATION: 17930 FT (5465 M) 

ADVISORY NUMBER: 2003/101
 
INFORMATION SOURCE: GOES-12 IMAGERY. MEXICO CITY
METEOROLOGICAL WATCH OFFICE.  MEXICO CITY UPPER AIR SOUNDING 

ERUPTION DETAILS: ERUPTION AT 1420Z
 
OBS ASH DATE/TIME: 19/1445Z
 
OBS ASH CLOUD: SFC/FL280 N1901W09837 N1911W09842 N1911W09849
N1901W09849 N1901W09837 MOVING NW 10-15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS  
 
REMARKS: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE
REPORTED A 1420Z ERUPTION OF POPOCATEPETL.  A CURRENTLY
SMALL BUT FAIRLY DENSE AREA OF ASH CAN BE SEEN IN GOES
IMAGERY MOVING TO THE NORTHWEST. ASH HEIGHT IS DIFFICULT TO
DETERMINE AND IS PARTLY BASED ON THE MEXICO CITY MWO
ESTIMATE AND PARTLY ON SATELLITE IMAGERY.  A BRIGHT HOTSPOT
CAN BE SEEN IN THE 1432Z AND 1445Z GOES IMAGES.  

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL19/2100Z.

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