Spire Global Launches HyMS Sensor to Enhance Global Weather Forecasting
Spire Global Ltd has launched the Hyperspectral Microwave Sounder (HyMS) into orbit to improve weather prediction accuracy. Developed in collaboration with STFC RAL Space, the sensor was launched from Vandenberg Space Force Base, California, on January 11, 2026. HyMS will provide more frequent and detailed atmospheric measurements using microwave technology, overcoming limitations of traditional meteorological satellites. Future deployment of multiple HyMS sensors aims to enhance data availability for weather forecasting globally.
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The Hyperspectral Microwave Sounder (HyMS), developed by Spire Global Ltd and STFC RAL Space, was launched on January 11, 2026, from Vandenberg Space Force Base in California. This shoebox-sized sensor aims to improve weather forecasting by providing more frequent and detailed atmospheric measurements using microwave technology, which can penetrate clouds.
Traditional meteorological satellites are large and expensive, typically revisiting locations once daily. HyMS offers a smaller, affordable alternative that enables multiple sensors for better atmospheric sampling. Spire plans to deploy HyMS across a fleet of satellites to enhance data availability and support global weather agencies, especially in remote areas.
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