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Issue time:

Colour code


Date: 2017-04-14 04:00 UTC
Area: Vanuatu
Source: Pirep
Aviation colour code:  unknown
Summit elevation:  361m
Eruption Details: unknownobs va dtg: 14/0413z

Volcano ash cloud Vanuatu - Yasur   Friday 14 Apr 2017 10:00 UTC

Remarks: pilot observation stated no significant ash discernable. ash not identifiable 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.