SMAP May Improve Weather Forecasts by Watching Earth's Wet Soil

January 29, 2015 5:56 PM

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There may be a new way to improve weather forecasts. Scientists have found that the key to a better prediction may actually lie within examining the soil.

Precipitation and temperature are the part of every weather forecast. Precipitation comes from clouds, clouds are formed of airborne water vapor, and vapor comes from evaporating soil moisture. This means that soil moisture, in particular, governs precipitation.

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