FVXX20 KNES 031321 CCA
VOLCANIC ASH ADVISORY -CORRECTION
ISSUED: 2005AUG03/1321Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/627

INFORMATION SOURCE: GUAM WFO. GFS MODEL WINDS.
GOES-9. USGS. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS WITH A
POSSIBLE LARGER EMISSION STARTING ABOUT 09Z

OBS ASH DATE/TIME: 03/1202Z

OBS ASH CLOUD: SFC/FL420 N1618E14540 - N1520E14617
- N1451E14615 - N1517E14555 - N1618E14540 MOVING
SE 40 KNOTS. SFC/FL180 N1641E14617 - N1544E14605 -
N1618E14543 - N1639E14552 - N1641E14617 MOVING E
15 KNOTS. SFC/FL120 35NM WIDE LINE BETWEEN
N1619E14540 - N1306E14429. ASH IS MOVING S 5-10
KNOTS. 

FCST ASH CLOUD +6H: 03/1800Z SFC/FL400 N1611E14614
- N1604E14623 - N1434E14540 - N1356E14442 -
N1358E14400 - N1440E14523 - N1611E14614 SFC/FL250
N1717E14652 - N1602E14626 - N1611E14614 -
N1706E14626 - N1717E14652 SFC/FL120 N1656E14434 -
N1651E14505 - N1634E14546 - N1354E14429 -
N1407E14353 - N1605E14458 - N1617E14401 -
N1656E14434 

FCST ASH CLOUD +12H: 04/0000Z SFC/FL120
N1743E14504 - N1716E14624 - N1516E14516 -
N1613E14403 - N1723E14408 - N1743E14504 

FCST ASH CLOUD +18H: 04/0600Z NOT AVBL.

REMARKS: CORRECTED FOR ADVISORY NUMBER....AT ABOUT
09Z THERE WAS A  POSSIBLE NEW ERUPTION MARKED BY
INCREASED SEISMICITY.  AT ABOUT THE SAME TIME
THERE DEVELOPED A POSSIBLE NEW ASH CLOUD BELOW
FL420.  THIS CLOUD IS SPREADING  TOWARD THE
NORTHEAST EAST AND SOUTHEAST AND IS ALREADY
STARTING TO DISSIPATE.   IN ADDITION THERE IS
ONGOING ACTIVITY THAT IS PRODUCING ITS USUAL LOW
LEVEL ASH PLUME TO THE SOUTHWEST.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG03/1915Z

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