FVXX21 KNES 071939
VOLCANIC ASH ADVISORY
ISSUED: 20070107/1936Z   VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
LOCATION: N1901 W09837   AREA: MEXICO

SUMMIT ELEVATION: 17802 FT (5426 M)

ADVISORY NUMBER: 2007/003

INFORMATION SOURCE: MEXICO CITY MWO. GOES-12. GFS
WINDS. VOLCANO WEB CAMERA. 

ERUPTION DETAILS: CONTINUOUS ASH OR GAS PUFFS.

OBS ASH DATE/TIME: 07/1915Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM
SATELLITE DATA. WINDS SFC/FL220 MOVING TO NE
10-15 KNOTS.

FCST ASH CLOUD +6H: 08/0130Z 

FCST ASH CLOUD +12H: 08/0730Z 

FCST ASH CLOUD +18H: 08/1330Z 

REMARKS: NO ASH PUFFS CAN BE SEEN IN CURRENT
SATELLITE IMAGERY DUE TO INCREASING WEATHER
CLOUDS BUT A HOTSPOT CAN BE SEEN IN MULTISPECTRAL
IMAGERY.  HOWEVER, THE VOLCANO CAMERA HAS SHOWN A
NUMBER OF PUFFS WHICH APPEAR TO BE MOSTLY GAS
WITH LITTLE ASH CONTENT.  THESE PUFFS HAVE
OCCURRED AT 1420Z, 1445Z, 1539Z, 1605Z, 1730Z,
1840Z.  MODEL WINDS ARE INCONSISTENT BUT WEATHER
CLOUD MOTION IN THE REGION SUGGEST THAT ANY ASH
WOULD MOVE TO THE NORTHEAST. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070108/0130Z