FVXX21 KNES 191535
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL19/1535Z VAAC: WASHINGTON
VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211 AREA: W.INDIES
SUMMIT ELEVATION: 3002 FT (915 M)
ADVISORY NUMBER: 2005/098
INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
ERUPTION DETAILS: ONGOING ASH EMISSIONS
OBS ASH DATE/TIME: 19/1515Z
OBS ASH CLOUD: SFC/FL100 12NM WIDE LINE BETWEEN
N1713W06329 - N1643W06210. ASH IS MOVING W 25-35
KNOTS.
FCST ASH CLOUD +6H: 19/2130Z SFC/FL100 25NM WIDE
LINE BETWEEN N1725W06332 - N1643W06210.
FCST ASH CLOUD +12H: 20/0330Z SFC/FL100 25NM WIDE
LINE BETWEEN N1725W06332 - N1643W06210.
FCST ASH CLOUD +18H: 20/0930Z SFC/FL100
N1802W06335 - N1649W06210 - N1640W06211 -
N1643W06328 - N1737W06346 - N1802W06335
REMARKS: VERY STRONG WINDS NEAR THE SFC ARE
LEADING TO A VERY NARROW PLUME TO THE WNW OF
MONTSERRAT. DISSIPATION OF THE PLUME IS QUICK TO
DO THE LOW ASH CONTENT AND STRONG WINDS. SIMILAR
DISPERSION WIND FIELD SHOULD EXIST FOR THE NEXT
6-12 HOURS WITH A FANNING TYPE PROFILE DEVELOPING
BY 18HRS. ...GALLINA
NEXT ADVISORY: WILL BE ISSUED BY 2005JUL19/2130Z
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