Thailand has conducted over 450 cloud seeding flights in the last four weeks with a view to easing the drought situation in the country, the Department of Royal Rainmaking and Agricultural Aviation has announced.

As a direct result of the operations, precipitation has increased, providing valuable water for many of the provinces.

Cloud seeding is the process of spreading either dry ice, or more commonly, silver iodide aerosols, into the upper part of clouds to try to stimulate the precipitation process and form rain.

As most rainfall commences with the growth of ice crystals, the silver iodide particles tend to induce the growth of additional ice particles and increase the likelihood of rain.

What is not absolutely certain is whether the seeded clouds would have dropped rain anyway.

However, water is the source of life and anything that helps provide water must be a bonus.


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