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Issue time:

Colour code

SFC/Flight Level 120


Date: 2012-05-14 23:00 UTC
Volcano:Karangetang Api Siau
Area: Sangihe Is
Source: Mtsat
Aviation colour code:  orange
Summit elevation:  1784m
Eruption Details: va plume obs to fl120 at 15/2232z extending60nm to se

Volcano ash cloud Sangihe Is - Karangetang Api Siau   Monday 14 May 2012 23:00 UTC

Remarks: faint plume can be seen on visible imagery.

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.