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Issue time:

Colour code


Date: 2012-05-28 02:00 UTC
Area: Ecuador
Source: Goes-13. Seismic Detection.
Aviation colour code: 
Summit elevation:  11686 ft [3562 m]
Eruption Details: eruption prior to 27/1921zobs va dtg: 28/0145z

Volcano ash cloud Ecuador - Reventador   Monday 28 May 2012 02:00 UTC

Remarks: va has not been visible in stlt imagery forpast six hrs under partly cloudy skies. seismicactivity is slightly elevated. ...guillot

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.