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Flood In Dubai

Flood In Dubai:

One of the heaviest rainfall was recorded in the United Arab Emirates (UAE), after a severe thunderstorm hit the country. The storm had initially hit Oman before it landed in the UAE.

  • UAE lies in the arid regions of the world, so such heavy rainfalls are unusual there.
  • On average, Dubai experiences 94.7 mm of rain in a year.
  • But this event was historic as it brought more than 142 mm of rainfall that had soaked Dubai over 24 hours.
  • The possible causes for such catastrophic event may be attributed to following reasons.
  • Climate Change along with multiple factors associated with it like patterns of natural climate variability, such as El Niño and La Niña, has contributed to the extreme rain.
  • It has led to higher temperatures causing evaporation of water not only from land but also oceans and other water bodies, causing a warmer atmosphere to hold more moisture.
  • For every 1 degree Celsius rise in average temperature, the atmosphere can hold about 7% more moisture.
  • This makes storms more dangerous as it leads to an increase in precipitation intensity, duration and/or frequency of storm.
  • Cloud seeding is a process in which chemicals such as silver iodide crystals are implanted into clouds to increase rainfall in an environment where water scarcity is a concern.
  • UAE, located in one of the hottest and driest regions on earth, has been leading the effort to seed clouds and increase precipitation.
  • Thunderstorms are generated by atmospheric imbalance and turbulence caused by a combination of several conditions, including unstable, warm air rising rapidly into the atmosphere; sufficient moisture to form clouds and rain; and upward lift of air currents caused by colliding weather fronts (cold and warm), sea breezes, or mountains.