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Issue time:

Colour code


data: 2016-05-30 18:00 UTC
Wulkan:Bristol Island
Area: Antarctica
Source: Goes 13 - Snpp Viirs - Gfs
Aviation colour code:  unknown
Summit elevation:  1100m
Eruption Details: ongoing psbl emissions of lgt vaobs va dtg: 30/1745z

Chmura pyłu wulkanicznego Antarctica - Bristol Island   poniedziałek 30.05.2016 18:00 UTC

Remarks: va detection on goes-13 is hindered by wx clouds. snpp viirsfalse color imagery detects thermal anomaly near the summit andlgt emission of steam, gases and very lgt va.

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.