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Issue time:

Colour code

SFC/Flight Level 100


Date: 2015-05-20 09:00 UTC
Volcano:Lokon Empung
Area: Indonesia
Source: Ground Report
Aviation colour code:  orange
Summit elevation:  1580m
Eruption Details: va plume to fl100 reported at 20/0910z

Volcano ash cloud Indonesia - Lokon Empung   Wednesday 20 May 2015 09:00 UTC

Remarks: eruption to fl100 reported at 0910z but not identifiable onsatellite imagery due to cloud cover. the situation will beclosely monitored.

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.