Issue time:

Colour code


Date: 2015-08-30 21:00 UTC
Area: Colombia
Source: Goes-east. Seismic Detection.
Aviation colour code: 
Summit elevation:  17457 ft [5321 m]
Eruption Details: no new va em

Volcano ash cloud Colombia - Ruiz   Monday 31 Aug 2015 09:00 UTC

Remarks: previous va em disp. no further va em seenin stlt and webcam. sct wx cld in the vcy.seismic act is normal. ...velasco

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.