ArabiaWeather - Eng. Nasser Haddad - It is expected that the Kingdom will be affected by a rainy weather condition that is considered the best this season in terms of the area of the affected areas, after the will of God, on Wednesday night and better Thursday and Friday 4 and 5 February 2021.
The first air turbulence begins, God willing, on the night of Wednesday / Thursday, parts of the coasts and heights of the Tabuk region, so that the area of rain will widen during Thursday and form the whole region of Tabuk, including the city in addition to Al-Jawf, west of the northern borders, parts of Hail and Medina, and the rains on Thursday will be abundant over the heights and coasts Tabuk, with hail showers and surface wind activity during thunderstorms, while they are of moderate intensity at times in the rest of the regions with the possibility of water bodies forming, while rains are expected to reach the coasts of Yanbu on Thursday afternoon and evening, and they are generally moderate in intensity.
On Friday , the cold upper basin moves towards the east, so the cold air front crosses the city of Jeddah, Hail, the northern borders, and parts of Medina, where the chances of rain improve and are sometimes accompanied by thunder, and the chances of torrents forming in these areas also increase, as some rain extends from Makkah and Taif, and weaker Al Baha.
It is expected that the rains will be thunderous and sometimes heavy on parts of eastern Medina, Hail and Qassim, and are accompanied by showers of hail and thunderstorms (during crossing the cold front), as the formation of water bodies or torrents is not excluded, while the rains are less strong in the rest of the regions.
The cold air front is expected to cross the city of Jeddah in the afternoon and evening of Friday, February 5, 2021, when cumulus clouds multiply, and the chances of rain rise, God willing, may be thunderous sometimes, and the intensity of rain is of moderate intensity for some time, which may result in the formation of some water bodies, due to the distance The time period, it is advised to follow up the reports issued on a daily basis, as the details will be listed steadily, God willing.
These rain clouds are preceded by an active to strong southern winds on Thursday, which may bring some dust and dust, which recede on Friday in conjunction with the increasing turbulence of the sea and the high waves.
It is expected that the wind movement will be active on Wednesday and Thursday in parts of the central and western parts of the Kingdom as a result of crossing the warm part of the depression, as it is not excluded from the administration of dust and dust on western Riyadh and parts of Qassim, Medina and Hail, in addition to the city of Jeddah, and the dust is of medium density sometimes .
On Friday, during the morning and noon hours, strong south-westerly winds blow at speeds of up to 60-80 km / hour, and bring dust and sometimes dense dust to the north and west of Riyadh administratively and parts of the south and east of Medina and Qassim, as they reach less severely towards pits Al-Batin, Riyadh and South Hail.
As for Friday afternoon and evening, cold northwest winds blowing accompany the crossing of the cold air front over Hail, Al-Qassim and east of the northern borders, leading to the formation of wall sandstorms with a significant decrease in the horizontal visibility.
It is possible that some of the dirt plankton will reach the north and center of the Riyadh region, including the capital, at dawn on Saturday, as it is advised to follow the news issued on a daily basis to get the latest developments.
These air disturbances are caused by the approach of an air depression in the high air layers across Egypt and the eastern Mediterranean, in conjunction with the eruption of moist and warm subtropical currents from the southwest, and the displacement of the subtropical high altitude from the atmosphere of the north and west of the Arabian Peninsula.
This means an effective and strong response to the thermal Red Sea depression at dawn and Thursday morning, before it turns into a frontal depression during the day, and forms a cold air front that increases the strength of rain and intensifies the intensity of thunderstorms on the mountain heights and the western slopes in the west of Tabuk and the north of Medina, including some The coastal areas of Tabuk and the north of Medina to be precise.
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