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Description

Datum: 2012-05-13 01:00 UTC
Sopka:Sirung
Area: Lesser Sunda Is
Source: Mtsat, Ground Report
Aviation colour code:  orange
Summit elevation:  862m
Eruption Details: va plume last obs to fl100 at12/0432z extending 50nm to sw

Oblak sopečného popele Lesser Sunda Is - Sirung   neděle 13.05.2012 01:00 UTC

Remarks: va plume last visible 12/0432z mtsat image. va no longervisible on latest satellite 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.