FVXX20 KNES 190650
VOLCANIC ASH ADVISORY
ISSUED: 2005JUN19/0649Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540   AREA: MARIANA.ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/0430

INFORMATION SOURCE: GUAM WFO. GOES-12. GFS MODEL
WINDS. VAFTAD. PILOT REPORT. 

ERUPTION DETAILS: BRIEF ERUPTION TO FL500 AROUND
0525Z

OBS ASH DATE/TIME: 19/0602Z

OBS ASH CLOUD: SFC/FL080 50NM WIDE LINE BETWEEN
N1807E14124 - N1629E14419. ASH IS MOVING W 10
KNOTS. SFC/FL500 15NM WIDE LINE BETWEEN
N1617E14543 - N1616E14602. ASH IS MOVING E 15
KNOTS. 

FCST ASH CLOUD +6H: 19/1200Z SFC/FL150 50NM WIDE
LINE BETWEEN N1856E14159 - N1644E14340 -
N1613E14543. SFC/FL050 40NM WIDE LINE BETWEEN
N1631E14837 - N1548E14701 - N1607E14541. 

FCST ASH CLOUD +12H: 19/1800Z SFC/150 50NM WIDE
LINE BETWEEN N1634E14240 - N1613E14544. SFC/FL500
30NM WIDE LINE BETWEEN N1701E15004 - N1620E14846. 

FCST ASH CLOUD +18H: 20/0000Z SFC/FL150 50NM WIDE
LINE BETWEEN N1622E14104 - N1544E14326 -
N1607E14543. SFC/FL500 50NM WIDE LINE BETWEEN
N1908E15150 - N1821E15059. 

REMARKS: INITIALY THERE WAS A PILOT REPORT OF AN
ERUPTION TO FL370 THEN THE GUAM RADAR PICKED UP
THE ERUTION TO AN ESTIMATED FL500.  IMAGERY SHOWS
A SMALL AREA OF ASH ABOVE THE WEATHER CLOUDS AT
0602Z. THE HIGHER PORTION OF THE ERUPTION WILL
MOVE EAST WHILE THE LOWER PORTION WILL MOVE WEST
BASED ON THE VOLCANO MODEL FORECAST.  THERE IS
STILL LOW LEVEL ASH SEEN WEST OF THE AREA FROM
PREVIOUS EMISSIONS.  ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005JUN19/1245Z

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