Subject: FVAK23 PAWU 030455


FVAK23 PAWU 030455

VAAAK3

VA ADVISORY



DTG: 20080803/0500Z 



VAAC: ANCHORAGE



VOLCANO: OKMOK 1101-29 



PSN: N5324 W16811



AREA: ALEUTIAN ISLANDS



SUMMIT ELEV: 3516 FT/1072 M



ADVISORY NR: 2008-83



INFO SOURCE: GOES/AVO/SEISMICITY



AVIATION COLOUR CODE: ORANGE



ERUPTION DETAILS: VA EMISSIONS CONTINUE



OBS VA DTG: 02/0330 UTC



OBS VA CLOUD: SFC/FL300 N5332 W16749 - N5208 W16653 - N5129 W16954 -

N5323 W16851 - N5332 W16749 MOVING S 25 KNOTS. 



FCST VA CLOUD +6 HR: 03/1100Z SFC/FL300 N5331 W16759 - N5211 W16649 -

N5126 W16953 - N5323 W16856 - N5331 W16759 



FCST VA CLOUD +12 HR: 03/1700Z SFC/FL300 N5332 W16754 - N5205 W16643

- N5126 W16953 - N5323 W16901 - N5332 W16754 



FCST VA CLOUD +18 HR: 03/2300Z SFC/FL300 N5329 W16753 - N5211 W16649

- N5122 W16957 - N5323 W16901 - N5329 W16753 



REMARKS: STRONG EPISODIC TREMOR IS OCCURING THAT MAY BE ASSOCIATED

WITH VA PLUMES THAT REACH ABOVE FL200. THERE ARE NO SURFACE BASED

REPORTS OR PILOT REPORTS TO INDEPENDENTLY CONFIRM VA PLUME HEIGHTS AT

THIS TIME. 



NXT ADVISORY: 20080803/1100Z



DH AUG 2008




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