Issue time:

Colour code


Date: 2015-05-19 20:00 UTC
Volcano:Santa Maria
Area: Guatemala
Source: Goes-east.
Aviation colour code: 
Summit elevation:  12375 ft [3772 m]
Eruption Details: emission at 19/1310z

Volcano ash cloud Guatemala - Santa Maria   Tuesday 19 May 2015 20:00 UTC

Remarks: va is no longer obsersed in imagery....schwartz

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.