FVXX22 KWBC 192337
VOLCANIC ASH ADVISORY             
ISSUED: 2003MAY19/2335Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/040
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST 

ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN
MAY 10
 
OBS ASH DATE/TIME: 19/2213Z
 
OBS ASH CLOUD: SFC/FL050 24 NM WIDE LINE OF ASH EXTENDING
BETWEEN N1621E14540 N1620E14357. ASH IS MOVING W 15-20 KNOTS.

SFC/FL050 100 NM WIDE LINE OF ASH EXTENDING BETWEEN N1620E14357
N2000E13845.  ASH IS MOVING NW 10-15 KNOTS. 

SFC/FL085 100 NM WIDE LINE OF ASH EXTENDING BETWEEN N2000E13845
N2300E13836.  ASH IS MOVING N 5-10 KNOTS.

SFC/FL100 100 NM WIDE LINE OF ASH EXTENDING BETWEEN N2300E13836
N2625E14342.  ASH IS MOVING NE 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS. 

REMARKS: VISIBLE IMAGERY REVEALED THAT THE AREAL EXTENT OF THE
ASH WAS LARGER THAN PREVIOUSLY ANALYZED.  THE PLUME VEERS WITH
LATITUDE AS IT APPROACHES A FRONTAL BOUNDARY TO THE NORTH OF 25
DEGREES NORTH LATITUDE. TURK

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY20/0530Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

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