Chas' Compilation

A compilation of information and links regarding assorted subjects: politics, religion, science, computers, health, movies, music... essentially whatever I'm reading about, working on or experiencing in life.

Saturday, August 11, 2012

New Euro Weather Satellite Sends 1st Image


MSG-3 Spins Out The Weather Report ...First Images
[SatNews] It scans Earth’s surface and atmosphere every 15 minutes in 12 different wavelengths, to track cloud development.
Today, the Spinning Enhanced Visible and Infrared Imager (SEVIRI) instrument on MSG-3 captured its first image of the Earth. This demonstrates that Europe’s latest geostationary weather satellite, launched on 5 July, is performing well and is on its way to taking over operational service after six months of commissioning.

The European Space Agency (ESA) was responsible for the initial operations after launch (the so-called launch and early orbit phase) of MSG-3 and handed over the satellite to EUMETSAT on 16 July.

The first image is a joint achievement by ESA, EUMETSAT, and the European space industry. For its mandatory programmes, EUMETSAT relies on ESA for the development of new satellites and the procurement of recurrent satellites like MSG-3. This cooperation model has made Europe a world leader in satellite meteorology by making best use of the respective expertise of the two agencies.

[...]

MSG-3 is the third in a series of four satellites introduced in 2002. These spin-stabilized satellites carry the primary Spinning Enhanced Visible and Infrared Imager, or SEVIRI. The prime contractor for the MSG satellites is Thales Alenia Space, with the SEVIRI instrument built by Astrium.

SEVIRI delivers enhanced weather coverage over Europe and Africa in order to improve very short range forecasts, in particular for rapidly developing thunder storms or fog. It scans Earth’s surface and atmosphere every 15 minutes in 12 different wavelengths, to track cloud development.

SEVIRI can pick out features as small as a kilometer across in the visible bands, and three kilometres in the infrared. In addition to its weather-watching mission and collection of climate records, MSG-3 has two secondary payloads.

The Geostationary Earth Radiation Budget sensor measures both the amount of solar energy that is reflected back into space and the infrared energy radiated by the Earth system, to better understand climate processes. In addition, a Search & Rescue transponder will turn the satellite into a relay for distress signals from emergency beacons. [...]

New technology, and more data that should help improve weather prediction.
     

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