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Soil Moisture - Indicator for Thunderstorm Prediction
May 3 , 2025
12 hrs 0 min
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- The Soil moisture levels could serve as an early warning signal for severe clusters of thunderstorms that cause flash floods and landslides in many regions.
- The mesoscale convective systems (MCS) are large clusters of thunderstorms that can span areas bigger than England and travel hundreds of kilometres.
- These systems often bring intense rainfall, causing widespread damage to lives, livestock and infrastructure.
- In tropical regions, MCSs accounted for 50 to 90 per cent of total rainfall.
- Regions identified as hotspots for MCSs includes India, West and Central Africa, South America, and parts of the United States and China.
- The shifts in the soil moisture could be detected two to five days before storm formation.
- The atmospheric changes are caused by the contrasting soil moisture levels over hundreds of kilometres increase the area and amount of rainfall by 10 to 30 per cent, depending on the storm’s size and location.
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