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Issue time:

Colour code

SFC/Flight Level 140


Data: 2017-01-24 05:00 UTC
Area: Papua New Guinea
Source: Himawari-8, Pirep
Aviation colour code:  orange
Summit elevation:  1855m
Eruption Details: va obs to fl140 ext 60nm to ne at 24/0500z.

nube di cenere vulcanica Papua New Guinea - Bagana   Martedì 24.01.2017 05:00 UTC

Remarks: va obs mov to ne on latest satellite imagery; however, va partly obscured by met cloud. height and forecaast derived from himawari-8 vis imagery, pilot report of va to

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.