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Issue time:

Colour code

SFC/Flight Level 150


Date: 2011-11-10 17:00 UTC
Area: Africa
Source: Satellite Imagery
Aviation colour code:  nil
Summit elevation:  3058m
Eruption Details: eruption started 20111106/1500zobs va dtg: 10/1800z

Volcano ash cloud Africa - Nyamuragira   Thursday 10 Nov 2011 17:00 UTC

Remarks: emission composed mainly of so2. now not observable due toconvection.

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.