Why meteorologists worry 5G networks could degrade weather forecasts:
23.8-gigahertz frequency, at which water vapour in the atmosphere emits a faint signal. Satellites, such as the European MetOp probes, monitor energy radiating from Earth at this frequency to assess humidity in the atmosphere below — measurements that can be taken during the day or at night, even if clouds are present. Forecasters feed these data into models to predict how storms and other weather systems will develop in the coming hours and days.
Satellite instruments use the following additional microwave-based frequencies for weather: 36-37 GHz for rainfall and snow detection, 50 GHz for atmospheric temperature, and 86-92 GHz for cloud and ice detection. All of these variables are used in global weather models. The graphic below shows global precipitation on May 15, 2019, as measured by satellites in the. I served as Deputy Project Scientist for this mission for many years.
Dr. Marshall Shepherd, Dir., Atmospheric Sciences Program/GA Athletic Assoc. Distinguished Professor , Host, Weather Channel's Popular Podcast, Weather Geeks, 2013 AMS PresidentDr. J. Marshall Shepherd, a leading international expert in weather and climate, was the 2013 President of American Meteorological Society and is Director of the U...
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