Why does the marking season performance in Saudi Arabia differ from year to year?

طقس العرب GO 2021-10-13 2021-10-13T09:04:06Z
وائل حكيم
وائل حكيم
متنبئ جوي-قسم دراسة الحالات الجوية الشديدة
Why does the marking season performance in Saudi Arabia differ from year to year?

<p style=";text-align:left;direction:ltr"><strong>Arab weather</strong> - the season of marking, one of the most important rainy seasons in Saudi Arabia during the year. It is a rainy season in the fall season that brings with it abundant goodness and irrigates the lands and restores them to life after a scorching and dry summer.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> But before delving into the reasons for the variation in the performance of the marking season from year to year, it is necessary to delve into a simple definition of the marking season and how it is formed.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> By the middle of October, the summer air system in the Arabian Peninsula and the eastern Mediterranean has completely changed, and the effect of India&#39;s seasonal depression has ended, and the Red Sea depression has begun to expand and widen as a reaction to the beginning of the crossing of the cold air mass over the eastern Mediterranean, the Levant and Egypt.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> Here begins the conflict of hot air masses from the south and cold from the north over the Arabian Peninsula, and the ruling is the Red Sea depression, the meeting place of this air mass with different characteristics is over northern and central Saudi Arabia, and here the unstable weather conditions begin to develop supported by the heat of the Arabian Peninsula and the coldness of the high layers , Indicate the humidity supported by the Red Sea depression, which usually takes a center above the hail at the beginning of the marking.</p><p style=";text-align:left;direction:ltr"></p><h3 style=";text-align:left;direction:ltr"> <strong>What are the reasons that make the marking season weak?</strong></h3><p style=";text-align:left;direction:ltr"></p><ol style=";text-align:left;direction:ltr"><li style=";text-align:left;direction:ltr"> The delay in the arrival of cold air masses and air depressions towards the eastern Mediterranean delays the beginning of marking in Saudi Arabia.</li><li style=";text-align:left;direction:ltr"> Cool surface temperatures and below their monthly averages weaken cumulus clouds during tag instability.</li><li style=";text-align:left;direction:ltr"> The strength of the jet stream over the Arabian Peninsula weakens atmospheric instability</li><li style=";text-align:left;direction:ltr"> The strength of the depressions in the western Mediterranean helps to strengthen the jet stream, which weakens atmospheric instability.</li></ol><p style=";text-align:left;direction:ltr"> Perhaps these are the most important reasons that directly affect the performance of the marking season, and there are other reasons that affect indirectly, which are global phenomena such as El Nino, La Niña and other ocean oscillations that need a detailed explanation in a separate scientific article.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"></p>

This article was written originally in Arabic and is translated using a 3rd party automated service. ArabiaWeather is not responsible for any grammatical errors whatsoever.

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