FVAK23 PAWU 172232
VAAAK3

DTG: 20080718/2300Z 

VAAC: ANCHORAGE

VOLCANO: OKMOK 1101-29 

PSN: N5324 W16811

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 3516 FT/1072 M

ADVISORY NR: 2008-21

INFO SOURCE: SEISMICITY/PILOT REPORT/SATELLITE

AVIATION COLOUR CODE: ORANGE

ERUPTION DETAILS: VOLCANIC ERUPTIONS CONTINUE

OBS VA DTG: 17/1932 UTC

OBS VA CLOUD: SFC/FL200 N5346 W16750 - N5319 W16719 - N5301 W16815 -
N5328 W16829 - N5346 W16750 MOVING E 20 KNOTS. 

FCST VA CLOUD +6 HR: 17/2316Z SFC/FL200 N5359 W16627 - N5305 W16622 -
N5247 W16808 - N5329 W16831 - N5359 W16627 

FCST VA CLOUD +12 HR: 18/0516Z SFC/FL200 N5357 W16506 - N5304 W16437
- N5234 W16803 - N5329 W16832 - N5357 W16506 

FCST VA CLOUD +18 HR: 18/1116Z SFC/FL200 N5406 W16243 - N5307 W16225
- N5231 W16802 - N5330 W16834 - N5406 W16243

REMARKS: 17/1932Z PIREP INDICATES LIGHT GREY OR WHITE CLOUD
ASSOCIATED WITH PREVIOUS 17/1644Z ERUPTION.  SEISMICITY INDICATES
ERUPTIVE ACTIVITY CONTINUES.  ASH HAS BECOME DIFFUSE AND VERY
DIFFICLUT TO DETECT ON SATELLITE.  

NXT ADVISORY: 20080718/0500Z

TRENZ JUL 2008