Climate
Lightning strikes causes effects and the types of lightning. UPSC
Lightning is simply a transient, high-current discharge of electricity in the air. Usually, the lightning channel is composed of ionised gas, and its peak temperature is typically 30000 degrees Celsius. Interestingly, it is about five times higher than the temperature of the surface of the sun. The extreme heating causes the air to expand explosively, which results in a shock wave that becomes a booming sound wave called Thunder.
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El Nino, La Nina, and the Southern Oscillation.
The cessation of the typical upwelling of cold deep water off the coast of Peru is generally known as El Nino, and the roughly opposite condition is called La Nina. This El Nino phenomenon can affect the global climate negatively and positively. So, some parts of the world face drought while others face above-average rainfall […]
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