Issue time:

Colour code


Date: 2013-07-12 01:00 UTC
Area: Colombia
Source: Goes-13. Seismic Detection.
Aviation colour code: 
Summit elevation:  17457 ft [5321
Eruption Details: emission at 11/1643z

Volcano ash cloud Colombia - Ruiz   Friday 12 Jul 2013 01:00 UTC

Remarks: va not seen in stlt imagery and there havebeen no further rprts of

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.