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Forecast

Issue time:


Colour code

SFC/Flight Level 400

Description

Date: 2017-02-21 03:00 UTC
Volcano:Karkar
Area: Papua New Guinea
Source: Himawari-8
Aviation colour code: red
Summit elevation:  1839m
Eruption Details: va obs to fl400 mov nwobs va dtg: 21/0346z

Volcano ash cloud Papua New Guinea - Karkar   Tuesday 21 Feb 2017 03:00 UTC

Remarks: va clearly obs on satellite imagery. a more detailed advisory to follow as soon as possible.

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.