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прогноз

Issue time:


Colour code

SFC/Flight Level 250

Description

дата: 2017-02-20 05:00 UTC
Вулкан:Bogoslof
Area: Aleutians
Source: Goes/pilot Report/avo
Aviation colour code: 
Summit elevation:  492 ft [150
Eruption Details: 0141z eruption

облака вулканического пепла Aleutians - Bogoslof   Понедельник 20 Feb 2017 05:00 UTC

Remarks: please see fvak21 pawu 200552 issued bytheanchorage vaac that describes conditions near the

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.