Issue time:

Colour code


Date: 2014-10-21 00:00 UTC
Volcano:Karangetang [api Siau]
Area: Indonesia
Source: Mtsat-2
Aviation colour code:  orange
Summit elevation:  1784m
Eruption Details: va plume last obs to fl100 ext 40nm to nw at20/0832z

Volcano ash cloud Indonesia - Karangetang [api Siau]   Tuesday 21 Oct 2014 00:00 UTC

Remarks: current satellite imagery indicates that ash from volcanokarangetang 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.