FVXX21 KNES 181931
VOLCANIC ASH ADVISORY
ISSUED: 2005NOV18/1931Z VAAC: WASHINGTON
VOLCANO: SANTA MARIA 1402-03
LOCATION: N1445 W09133 AREA: GUATEMALA
SUMMIT ELEVATION: 12375 FT (3772 M)
ADVISORY NUMBER: 2005/36
INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
ERUPTION DETAILS: VENTING OF STEAM AND ASH
OBS ASH DATE/TIME: 18/1915Z
OBS ASH CLOUD: SFC/FL140 10NM WIDE LINE BETWEEN
N1443 W09132 - N1428 W09146. ASH IS MOVING SW 5-10
KNOTS.
FCST ASH CLOUD +6H: 19/0130Z NO VA EXP.
FCST ASH CLOUD +12H: 19/0730Z NO VA EXP.
FCST ASH CLOUD +18H: 19/1330Z NO VA EXP.
REMARKS: ASH FROM THE VOLCANO HAS THINNED
DRAMATICALLY AND IS VERY DIFFICULT TO DISCERN IN
VISIBLE IMAGERY. HOT SPOT ACTIVITY HAS ALSO
DECREASED. ...
NEXT ADVISORY: WILL BE ISSUED BY 2005NOV19/0130Z
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