European weather during November 2014 by EUMETSAT

European weather during November 2014 by EUMETSAT

Many countries in Europe reported unusually mild weather in November - with a surprising lack of frost for late autumn. There were several episodes of severe weather and extreme rainfall, however.

Northern Italy and Switzerland had severe flooding in places, as well as landslides, after episodes of torrential rain from November 4 - 12 (case study:

Jutland, in Denmark, had a notable downpour on November 3; there was extreme rainfall in east Tirol and upper Carinthia in Austria early in the month; The coast of southern France in Provence-Alpes-Côte d'Azur had episodes of extremely heavy rain from November 8 - 12 and again on 14 and 15 November; One storm in Courelinhas county in Portugal brought a suspected tornado; while the Phoenix Park weather station in Dublin had its wettest November day since 2002 on November 13, part of a month where it received double the long-term average rain. 

There were also episodes of fog and low cloud, which caused delays at airports because of low visibility, and some countries got their first snow as meteorological autumn officially drew to a close.

The 'Natural Colour RGB' images used in the movie are taken from EUMETSAT's Meteosat-10 satellite in geostationary orbit 36,000 km above the Earth. The Natural Colour RGB product makes use of three solar channels: VIS0.6, VIS0.8 and NIR1.6. In this colour scheme vegetation appears greenish because of its large reflectance in the VIS0.8 channel (the green beam) compared to the NIR1.6 (red beam) and VIS0.6 (blue beam) channels.

Water clouds with small droplets have large reflectance at all three channels and hence appear whitish, while snow and ice clouds appears cyan because ice strongly absorbs in NIR1.6 (no red).

Bare ground appears brown because of the larger reflectance in the NIR1.6 than at VIS0.6, and the ocean appears black because of the low reflectance in all three channels.

See the full view of the Earth, as seen by Meteosat-10, here:

Source and featured image: EUMETSAT

Tags: eumetsat


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