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Issue time:

Colour code

SFC/Flight Level 120


Date: 2011-07-10 13:00 UTC
Area: Java
Source: Airep, Mtsat.
Aviation colour code:  orange
Summit elevation:  2799m
Eruption Details: va reported to fl120 at 10/1030z .

Volcano ash cloud Java - Ijen   Sunday 10 Jul 2011 13:00 UTC

Remarks: airep reporting plume extending w from the summit at10/1030z. va unidentifiable from satellite data.

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.