Issue time:

Colour code

SFC/Flight Level 080


Date: 2015-05-21 01:00 UTC
Area: Indonesia
Source: Mtsat-2, Modis
Aviation colour code:  orange
Summit elevation:  1335m
Eruption Details: va plume last obs to fl080 extending 40nm to nwat 20/0232z.

Volcano ash cloud Indonesia - Dukono   Thursday 21 May 2015 01:00 UTC

Remarks: current satellite imagery indicates that ash from volcanodukono has now dissipated. advisory terminated.

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.