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Issue time:

Colour code


data: 2016-10-20 15:00 UTC
Area: Chile
Source: Goes 13 - Webcam - Gfs
Aviation colour code:  yellow
Summit elevation:  2847m
Eruption Details: va reported at 20/1338zobs va dtg: 20/1445z

Nuvem de cinzas vulcanicas Chile - Villarrica   Quinta 20.10.2016 15:00 UTC

Remarks: t+0 confidence high. although a pilot reported va cld obsfl120/mov nnw there is no indication of va in satellite imagery undermostly clear skies. web cam shows weak emissions of steam, gases and

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.