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Issue time:

Colour code


Date: 2017-05-13 22:00 UTC
Area: Colombia
Source: Goes-east.
Aviation colour code: 
Summit elevation:  17457 ft [5321
Eruption Details: vaobs at 13/1320z.

Volcano ash cloud Colombia - Ruiz   Sunday 14 May 2017 10:00 UTC

Remarks: va not seen on stlt imagerydue to wx further reports of activity. ...sandusky

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.