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Muscat: Medium to heavy rains are expected to hit northern parts of Oman starting on Tuesday and are expected to last until Saturday, according to the General Directorate of Meteorology.

The areas of Musandam, Dahira, Dhaklyah, North and South Batinah and Muscat will be most affected and authorities have issued warnings over flooding wadis.

Temperatures will also dip in the coming days as the winter season approaches, the meteorology department added.

Residents have been advised to take maximum precautions during the rains.

Oman has witnessed heavy rainfall since the beginning of November due a phenomenon called El Nino which occurs every three to eight years when east and central Pacific sea surface temperatures are warmer than usual.

Gulf countries will experience more rainfall as a result. El Nino also causes other worldwide disruptions such as droughts and flooding which heavily impacts agriculture and other natural resources.

In 1997, temperatures rose by two degrees Celsius.

So far, two rare cyclones a week apart killed 26 people and affected thousands of families in the southeast of war-torn Yemen.

Tropical storms Chapala and Megh this month hit the island of Socotra in the Arabian Sea some 350 kilometres off the Yemeni mainland, as well as the south eastern provinces of Shabwa and Hadramout.

More than 6,400 families were affected in the two provinces and 1,500 families were displaced.

The World Meteorological Organization has said that tropical cyclones are extremely rare over the Arabian Peninsula, and two back-to-back was “an absolutely extraordinary event”.