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Colour code

SFC/Flight Level 200
Flight Level 350/550

Description

Date: 2014-06-17 12:00 UTC
Volcan:Grímsvötn
Area: Iceland
Source: Imo Vaac London
Aviation colour code: red
Summit elevation:  1725m
Eruption Details: exercise exercise exerciseobs va dtg: 17/1200z
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nuage de cendres volcaniques Iceland - Grímsvötn   mardi 17.06.2014 12:00 UTC

Remarks: exercise exercise exercise additonal information may be foundon vaac toulouse website.

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.

Altitiude levels (International Standard Atmosphere)

SFC to FL200 - Ash concentrations between the surface and 20,000 feet.
FL200 to FL350 - Ash concentrations between 20,000 feet and 35,000 feet.
FL350 to FL550 - Ash concentrations between 35,000 feet and 55,000 feet.
SFC to 6000FT - Ash concentrations between the surface and 6,000 feet.