FVXX20 KNES 092320
VOLCANIC ASH ADVISORY
ISSUED: 20070609/2319Z   VAAC: WASHINGTON

VOLCANO: MASAYA 1404-10
LOCATION: N1158 W08609   AREA: NICARAGUA

SUMMIT ELEVATION: 2083 FT (635 M)

ADVISORY NUMBER: 2007/002

INFORMATION SOURCE: GOES-12. GFS WINDS. 

ERUPTION DETAILS: CONTINUOUS EMISSIONS

OBS ASH DATE/TIME: 09/2245Z

OBS ASH CLOUD: SFC/FL050 7NM WIDE LINE BETWEEN
N1158 W08610 - N1136 W08741 - N1141 W08828. ASH
IS MOVING W 15-20 KNOTS. 

FCST ASH CLOUD +6H: 10/0500Z SFC/FL070 7NM WIDE
LINE BETWEEN N1202 W08823 - N1157 W08610. 

FCST ASH CLOUD +12H: 10/1100Z SFC/FL050 7NM WIDE
LINE BETWEEN N1158 W08609 - N1120 W08825. 

FCST ASH CLOUD +18H: 10/1700Z SFC/FL050 7NM WIDE
LINE BETWEEN N1153 W08744 - N1158 W08610. 

REMARKS: A PLUME OF UNKNOWN COMPOSITION WAS
DETECTED WITH THE LOW SUN ANGLE IN VISIBLE
SATELLITE IMAGERY.  THE ABSENCE OF A HOT SPOT AND
A DEFINITIVE ASH SIGNATURE IN MULTISPECTRAL
IMAGERY WOULD SUGGEST THAT IF ASH IS PRESENT IN
THE PLUME ITS CONTENT WOULD PROBABLY BE LOW.  THE
NARROW PLUME EXTENDS APPROXIMATELY 155 NMI TO THE
WEST OF THE SUMMIT AT 2245Z. ...TURK

NEXT ADVISORY: WILL BE ISSUED BY 20070610/0515Z

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