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Issue time:

Colour code


Date: 2017-02-03 09:00 UTC
Area: Italy
Source: Airep At 0920z, Webcam, Sat
Aviation colour code:  yellow
Summit elevation:  3330m
Eruption Details: fbl emission of vapor or ash close to the volcanoobs va dtg: 03/0900z

Volcano ash cloud Italy - Etna   Friday 03 Feb 2017 09:00 UTC

Remarks: t+0 confidence high.

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.