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Issue time:

Colour code

SFC/Flight Level 230


Date: 2017-07-09 08:00 UTC
Area: Mexico
Source: Goes-east. Volcano Web
Aviation colour code: 
Summit elevation:  17802 ft [5426
Eruption Details: va em obsd

Volcano ash cloud Mexico - Popocatepetl   Sunday 09 Jul 2017 08:00 UTC

Remarks: va em not seen in stlt dueto met clds.around 09/0630z, obs rprts va em at fl230. model

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.