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Issue time:

Colour code


Date: 2015-10-28 23:00 UTC
Area: Papua New Guinea
Source: Himawari-8, Rvo
Aviation colour code:  orange
Summit elevation:  1807m
Eruption Details: va last obs to fl080 ext 20nm nw at 28/2300z.

Volcano ash cloud Papua New Guinea - Manam   Wednesday 28 Oct 2015 23:00 UTC

Remarks: rvo advises that there is no ongoing eruption. 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.