FVXX22 KNES 291435
VA ADVISORY
DTG: 20100529/1430Z

VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
PSN: N1621 E14540

AREA: MARIANA.ISLANDS

SUMMIT ELEV: 2585 FT (788 M)

ADVISORY NR: 2010/002

INFO SOURCE: GUAM MWO. MTSAT. GFS WINDS. HYSPLIT.
USGS

ERUPTION DETAILS: POSSIBLE ERUPTION OF ANATAHAN
OR SUBMARINE VOLCANO N OR ISLAND

OBS VA DTG: 29/1330Z

OBS VA CLD: SFC/FL200 25NM WID LINE BTN N1637
E14537 - N1620 E14541. MOV 180 05-10KT SFC/FL420
25NM WID LINE BTN N1620 E14541 - N1539 E14534.
MOV 010 28KT 

FCST VA CLD +6HR: 29/1930Z SFC/FL200 N1734 E14547
- N1631 E14656 - N1612 E14541 - N1714 E14513 -
N1734 E14547 SFC/FL420 35NM WID LINE BTN N1511
E14526 - N1232 E14411. 

FCST VA CLD +12HR: 30/0130Z SFC/FL200 NO ASH
EXPSFC/FL420 35NM WID LINE BTN N1228 E14411 -
N0949 E14247. 

FCST VA CLD +18HR: 30/0730Z SFC/FL420 NO ASH EXP

RMK: LOUD NOISE REPORTED TO GUAM AND IN IMAGERY
CLOUD APPEARS OVER ANATAHAN BUT MAY BE UNDERWATER
VOLCANO N OF ISLAND. IMAGERY NOW SHOWS DETACHED
CLOUD HIGH LEVEL MOV S. LOW LEVEL NOT SEEN BUT
DEPICTED.  ...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20100529/2030Z

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