How One Satellite Bridges Two Generations of Weather Forecasting
In short: The Meteosat Second Generation series concluded with MSG-4, a satellite designed not just for immediate service, but for strategic orbital storage. This single unit was engineered to maintain critical weather data continuity, bridging the gap between older systems and the next major leap in Earth observation technology.
The Meteosat Second Generation (MSG) program culminated with the launch of MSG-4, which was positioned to ensure continuity in weather monitoring after the retirement of its predecessors. This final satellite of the MSG series was successfully launched from Europe’s Spaceport in Kourou, French Guiana, on July 15, 2015, at 23:42:07 CEST. The launch utilized an Ariane-5 rocket.
Following its commissioning, MSG-4 was slated for an orbital storage period spanning 2.5 years. This period was crucial, as the satellite would remain operational until two Meteosat Third Generation (MTG-I) satellites became active in orbit, which was anticipated for 2023. The overall Meteosat services provide comprehensive coverage across the European and African continents, alongside sections of the Atlantic and Indian oceans.
The data gathered by these satellites is vital for Numerical Weather Prediction models, offering unique observational input that complements the primary data streams provided by polar-orbiting Metop satellites. Collectively, the MSG satellites have built up substantial climate data records, accumulating information spanning over 35 years. The successful deployment and subsequent handover represented a significant technological achievement for the involved teams, including EUMETSAT, ESA, and the European industrial consortium that constructed the satellite.
The strategic importance of this handover underscores the meticulous planning involved in space infrastructure. The successful launch and subsequent storage phase allowed meteorologists to maintain reliable data streams while the next-generation systems were being prepared for full operational capability.
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Sources
- Summary by Intellect · source: MSG-4 soon to be launched
- Also: MSG-4 successfully launched
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