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Issue time:

Colour code


Date: 2012-07-05 01:00 UTC
Area: Bougainville
Source: Mtsat-2, Noaa Omi.
Aviation colour code:  orange
Summit elevation:  1750m
Eruption Details: va plume last obs to fl080 extending 30nm tothe w on 04/0032z.

Volcano ash cloud Bougainville - Bagana   Thursday 05 Jul 2012 01:00 UTC

Remarks: va not detected on sat imagery. no va expected.

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.