FVXX21 KNES 112016
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL11/2015Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211   AREA: W.INDIES

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2005/084

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
MONTSERRAT OBSERVATORY. PILOT REPORT. 

ERUPTION DETAILS: CONTINUOUS EMISSION OF MOSTLY
GASES AND SOME LIGHT ASH

OBS ASH DATE/TIME: 11/1915Z

OBS ASH CLOUD: SFC/FL100 N1658W06307 - N1646W06207
- N1638W06211 - N1632W06304 - N1658W06307 MOVING W
20 KNOTS. 

FCST ASH CLOUD +6H: 12/0100Z SFC/FL100 30NM WIDE
LINE BETWEEN N1653W06346 - N1643W06207. 

FCST ASH CLOUD +12H: 12/0700Z SFC/FL100 30NM WIDE
LINE BETWEEN N1711W06326 - N1641W06207. 

FCST ASH CLOUD +18H: S12/1300Z FC/FL100 30NM WIDE
LINE BETWEEN N1717W06323 - N1640W06209. 

REMARKS: AS THE SUN ANGLE DECREASED A FAINT PLUME
OF GASES AND LIGHT ASH CAN BE DETECTED MOVING WEST
(280 DEGREES) FROM THE ISLAND OUT AROUND 55 NM. 
THERE HAVE BEEN SOME REPORTS OF ASH AS FAR NORTH
AS ST. CROIX AT BETWEEN FL020 AND FL080 HOWEVER IT
IS TO THIN TO BE DETECTED IN IMAGERY.  THE PLUME
SHOULD BECOME MORE NORTHWESTERLY WITH TIME. 
...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL12/0215Z

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