Issue time:

Colour code


Date: 2014-10-16 05:00 UTC
Area: Alaska Southwestern
Source: Mt-sat/goes/poes/avo/kvert/pilot Report/radar .modify As
Aviation colour code: 
Summit elevation:  4108 ft [1252 m]
Eruption Details: emissions have endedobs va dtg: 16/0512z

Volcano ash cloud Alaska Southwestern - Augustine   Thursday 16 Oct 2014 05:00 UTC

Remarks: none

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.