Issue time:

Colour code

SFC/Flight Level 080


Date: 2014-08-20 12:00 UTC
Area: Indonesia
Source: Mtsat-2
Aviation colour code:  orange
Summit elevation:  1335m
Eruption Details: va plume last obs to fl080 at 20/0132z ext 20nmto nw.

Volcano ash cloud Indonesia - Dukono   Wednesday 20 Aug 2014 12:00 UTC

Remarks: plume unidentifiable since 20/0132z due to meteorologicalcloud. however ash is still expected in area. previous asharea extrapolated to 12hrs only. height derived from vis image,

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.