nuage de cendres volcaniques Iceland - Grímsvötn dimanche 29.05.2011 06:00 UTC
This data supplements the official Volcanic Ash Advisory Graphics and Volcanic Ash Advisories. The data is to be used with caution. The official Volcanic Ash Graphics and Volcanic Ash Advisories take precedence in all circumstances. Please refer to national NOTAMs for definitive boundaries of no-fly areas.