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Issue time:

Colour code


Datum: 2017-07-04 12:00 UTC
Area: Russia
Source: Himawari-8
Aviation colour code:  nil
Summit elevation:  3283m
Eruption Details: va is not identifiable on satellite imagery.obs va dtg: 04/1130z

Vulkanasche Wolke Russia - Sheveluch   Dienstag 04.07.2017 12:00 UTC

Remarks: corrected for formatting of remarks. the anchoragevaac has transferred resonsibility for this eventto the washington vaac. this vaa updates message

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.