Subject: FVXX01 EGRR 121200 FVXX01 EGRR 121200 VA ADVISORY DTG: 20080212/1200Z VAAC: LONDON VOLCANO: KATLA PSN: N6338 W01903 AREA: ICELAND SUMMIT ELEV: 1512M ADVISORY NR: 2008/03 INFO SOURCE: IMO AVIATION COLOUR CODE: UNKNOWN ERUPTION DETAILS: VOLCANIC ERUPTION OF KATLA CONTINUES. VA COLUMN OBSERVED BY RADAR TO FL550. OBS VA DTG: 12/1200Z OBS VA CLD: SFC/FL550 N6338 W01903 - N6400 W00030 - N6000 W00030 - N6338 W01903 FCST VA CLD +6 HR: 12/1800Z SFC/FL550 N6338 W01903 - N6200 E00530 - N5430 E00630 - N5300 E00100 - N5930 W00300 - N6338 W01903 FCST VA CLD +12 HR: 13/0000Z SFC/FL550 N6338 W01903 - N6130 W00030 - N5800 E00730 - N4900 E01000 - N48008 W00200 - N5330 E00100 - N5830 W00300 - N6338 W01903 FCST VA CLD +18 HR: 13/0600Z SFC/FL550 N6338 W01903 - N6030 E00500 - N5600 E00900 - N4800 E00900 - N4400 E00400 - N4400 W00130 - N4730 W00730 - N5200 E00130 - N5700 E00230 - N6338 W01903 RMK: EXERCISE VOLCEUR08 FOR EXERCISE PURPOSES ONLY NXT ADVISORY: 20080212/1830Z=   .