FVXX20 KNES 051830
VOLCANIC ASH ADVISORY
ISSUED: 2005APR05/1829Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/116

INFORMATION SOURCE: GUAM MWO. GFS MODEL WINDS.
VAFTAD. GOES-9. 

ERUPTION DETAILS: LARGE ERUPTION 05/1600Z

OBS ASH DATE/TIME: 05/1725Z

OBS ASH CLOUD: SFC/FL150 N1637E14536 - N1537E14534
- N1415E14325 - N1611E14316 - N1637E14536 MOVING W
15-20 KNOTS. SFC/FL520 N1646E14607 - N1613E14614 -
N1550E14535 - N1644E14526 - N1646E14607 MOVING E
10 KNOTS. 

FCST ASH CLOUD +6H: 05/2330Z SFC/200 N1642E14536 -
N1511E14537 - N1418E14258 - N1633E14306 -
N1642E14536 SFC/520 N1729E14759 - N1527E14720 -
N1509E14532 - N1643E14528 - N1729E14759 

FCST ASH CLOUD +12H: 06/0530Z SFC/FL200
N1650E14531 - N1452E14542 - N1414E14146 -
N1613E14133 - N1650E14531 SFC/FL520 N1745E14959 -
N1602E15001 - N1435E14906 - N1358E14538 -
N1650E14534 - N1745E14959 

FCST ASH CLOUD +18H: 06/1130 SFC/FL200 N1649E14537
- N1357E14526 - N1306E13926 - N1520E13855 -
N1649E14537 SFC/520 N1828E15231 - N1532E15249 -
N1312E14744 - N1250E14450 - N1702E14535 -
N1828E15231 

REMARKS: WITH NEW IMAGERY CAN DETECT LARGE
ERUPTION SPREADING IN LOWER LEVELS TO THE WEST AND
UPPER LEVELS TO THE EAST.  HAVE ADDED FORECAST
SECTIONS BASED ON VAFTAD OUTPUT.  ...

NEXT ADVISORY: WILL BE ISSUED BY 2005APR06/0030Z

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