Forecast

Issue time:


Colour code

Description

Date: 2013-04-04 04:00 UTC
Volcano:Etorofu-yakeyama
Area: Japan
Source: Mtsat-2 Svert
Aviation colour code:  nil
Summit elevation:  1158m
Eruption Details: va at 20130404/0300z fl100 extd w-nw reportedobs va dtg: 04/0315z
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Volcano ash cloud Japan - Etorofu-yakeyama   Thursday 04 Apr 2013 04:00 UTC

Remarks: cor eruption-detailswe will issue further advisory if va is detected in 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.