Subject: FVXX01 EGRR 120915 FVXX01 EGRR 120915 VA ADVISORY DTG: 20080212/0915Z VAAC: LONDON VOLCANO: KATLA PSN: N6338 W01903 AREA: ICELAND SUMMIT ELEV: 1512M ADVISORY NR: 2008/02 INFO SOURCE: IMO AVIATION COLOUR CODE: UNKNOWN ERUPTION DETAILS: VOLCANIC ERUPTION OF KATLA DETECTED. ASH COLUMN OBSERVED BY RADAR TO FL550. OBS VA DTG: 12/0900Z OBS VA CLD: SFC/FL550 N6338 W01903 - N6400 W01700 - N6330 W01700 - N6338 W01903 FCST VA CLD +6 HR: 12/1500Z SFC/FL550 N6338 W01903 - N6300 E00700 - N5730 E00600 - N6338 W01903 FCST VA CLD +12 HR: 12/2100Z SFC/FL550 N6338 W01903 - N6000 E00500 - N5200 E00700 - N4900 E00300 - N4930 E00130 - N5300 E00030 - N5756 W00330 - N6338 W01903 FCST VA CLD +18 HR: 13/0300Z SFC/FL550 N6338 W01903 - N6130 E00500 - N5600 E00800 - N4700 E00800 - N4500 W00100 - N4900 W00730 - N5130 E00100 - N5930 W00200 - N6338 W01903 RMK: EXERCISE VOLCEUR08 FOR EXERCISE PURPOSES ONLY NXT ADVISORY: 20080212/1230Z=  .