When will fall 2020 begin in meteorology?

Weather of Arabia - The first Tuesday of September falls, the beginning of the fall season in terms of meteorology, in the northern hemisphere. It extends until November 30, and then winter begins on December 1.

With the beginning of the autumn season in meteorology, the distribution of weather systems begins to change, and the movement of cold air masses over the Atlantic Ocean and the whole European continent becomes more active, and gradually penetrates towards the south, that is, towards the Mediterranean basin, which leads to renewed opportunities for rain in many regions. The Levant and the Arabian Peninsula alike.

It is noteworthy that there is a difference between the date of the beginning of the fall semester in meteorology and its beginning in terms of astronomy, as the first day of September is considered the first day of the autumn semester in meteorology in the northern hemisphere.

The beginning of the fall semester in terms of astrology

As for the astrological point of view , the autumn season begins on Tuesday, 22 September, which is also the day of the autumn equinox phenomenon, when the length of the day and night equals the whole world, and after that the length of the day begins to decrease and the night increases in the northern hemisphere.

The autumn season is considered a transitional period during which the weather changes and increases its turbulence in many Arab countries, as the deepening and penetration of cold basins coming from the north towards the south increases, which creates atmospheric instability that leads to the actual beginning of the rainy season in many Arab regions.

Autumn is also considered a time for rains and atmospheric instability in the Arabian Peninsula, and temperatures drop from their exhausting forty levels in the summer to more moderate levels.

In addition, the months of this season usually witness an increase in the incidence of respiratory diseases due to the increase in temperature fluctuations and differences, before the stability of cold air in the Arab region during the winter months.

Autumn years are marked by drought and rain below average

The autumn of 2010 was both the warmest and the driest , as strong tropical heights dominated the whole period, which negatively affected and brought a stable atmosphere and raised temperatures unusually.

The fall of 1999/2000 was also one of the drier seasons, and also the autumn of 1991/1992 was distinguished by the fact that its rains were less than the average and the temperatures in it were higher than the average, noting that the winter of 1991/1992 was one of the strongest winter seasons in the history of the Kingdom

What will the weather conditions and rainfall rates be during the fall of 2020?

Details of weather conditions, temperatures and rain rates during the fall of 2020, by subscribing and viewing the seasonal bulletin forecast, which is available through the Arab Weather application in its new version