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Colour code

Description

Data: 2014-02-25 09:00 UTC
Vulcano:Cordon Caulle
Area: Chile
Source: Goes 13
Aviation colour code: 
Summit elevation:  2236m
Eruption Details: va not seen in stlt imageryobs va dtg: 25/0840z
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nube di cenere vulcanica Chile - Puyehue   Martedì 25.02.2014 09:00 UTC

Remarks: va not seen in stlt imagery due to wx clds and darkness.

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.