FVXX21 KNES 211343
VOLCANIC ASH ADVISORY
ISSUED: 2004OCT21/1342Z VAAC: WASHINGTON
VOLCANO: SANTA MARIA 1402-03
LOCATION: N1446W09133 AREA: GUATEMALA
SUMMIT ELEVATION: 12375 FT (3772 M)
ADVISORY NUMBER: 2004/23
INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
ERUPTION DETAILS: BRIGHT HOTSPOT SEEN AT 21/1015Z.
PLUME SEEN ON VIS AT 21/1315Z
OBS ASH DATE/TIME: 21/1315Z
OBS ASH CLOUD: SFC/FL120 8NM WIDE LINE BETWEEN
N1444W09144 - N1444W09134. ASH IS MOVING W 10-20
KNOTS.
FCST ASH CLOUD +6H: NOT AVBL
FCST ASH CLOUD +12H: NOT AVBL
FCST ASH CLOUD +18H: NOT AVBL
REMARKS: GOES 12 CHANNEL 2 IMAGERY SHOWED A
NEARLY CONTINUAL HOTSPOT AT SANTA MARIA VOLCANO
SINCE 1015Z THIS MORNING. A PLUME WITH A HIGH
PROBABILITY OF ASH CONTENT IS CURRENTLY SEEN ON
VISIBLE IMAGERY TO THE WEST OF THE VOLCANO.
HEIGHT IS ESTIMATED AT FL120. WINDS ARE LIGHT
NEAR THE SFC NEAR 5-10 KTS WITH MODERATE 15-25 KT
WINDS AT FL120. ...GALLINA
THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES
EFFECTIVE OCT 28, 2004.
NEXT ADVISORY: WILL BE ISSUED BY 2004OCT21/1945Z
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