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Issue time:

Colour code


Fecha: 2017-04-21 00:00 UTC
Area: Russia
Source: Va Exercise Volkam17 Himawari-8 Airep
Aviation colour code:  nil
Summit elevation:  1822m
Eruption Details: va exercise va continuously obs on satelliteimagery

nube de ceniza volcánica Russia - Koshelev   viernes 21.04.2017 00:00 UTC

Remarks: va exercise volkam17t+0 confidence high. the responsibility for this ash event is beingtransferred to anchorage. the next advisory will be issued by

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.