Seasonal Newsletter Update | Rainy conditions with more frequent periods of cold weather in the north, east and parts of central Saudi Arabia

Seasonal weather forecast for the Kingdom of Saudi Arabia

Rainy conditions with more frequent periods of cold weather in the north, east and parts of central Saudi Arabia

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General situation

1. Colder weather in eastern and northern Saudi Arabia and parts
2. High chances to form a frost in parts of the north
3. The continuing chances of some rainy cases in western Saudi Arabia
4. Rainfall is about to be higher than normal
5. Air along the Siberian high more

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The most prominent weather phenomena expected during the next three months

Detailed weather condition for each month

First month: January 2021

• A greater retreat of the tropical elevation towards the southernmost point of the Arabian Peninsula .
• An extension of some of the largest cold air basins across the region towards the west of the Levant, Egypt and north - east of the Arabian Peninsula
• Thunderstorms concentrated in the eastern Arabian Peninsula and the eastern and central regions of Saudi Arabia, and the rainfall gradually improved in the rest of Saudi Arabia regions
• A possible extension of the Siberian Highland towards the east and northeast of the Kingdom
• Temperatures are below normal, with cooler weather in parts of the eastern Arabian Gulf and central and northern Saudi Arabia

Temperature deviation from general averages

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Second month: February 2021

• High - tropical retreat towards the southwest and west
• Thunderstorms in separate parts of the island in particular
• Temperatures around to less than rates
• The extension of especially cold air basins from north and north
• Chances of frost formation in northern and northeastern Saudi Arabia .

Third month: March 2021

• The continued rush of cold blocks across the north
• Temperatures lower than their north averages
• Thunderstorm rain clouds in large parts
• Moist eastern currents from the Arabian Sea

Climate situation (for professionals and interested parties)

The lanina phenomenon is expected to increase with the continued cooling in important parts of the eastern and central Pacific until February 2021, and affect directly and indirectly the distribution of instability foci and areas of construction and activity of escalation / convection currents in both the Indian and Atlantic oceans in addition to the Pacific Ocean, and affects Heat exchange processes between Hadley cell and Ferrell cell, ie between the orbital range (latitude 0 to 30 north) and the moderate range or mid-latitudes (between latitudes 30 to 60 north)

The Arctic is heading to the continuation of high values of atmospheric pressure in important parts of it until the beginning of January, which means the control of negative values to neutral until the beginning of the winter season, and this pushes the cold air towards lower offers in Europe and parts of North Africa, and this means the continued decline in the proportions of snow and ice to historical values While expectations indicate a gradual increase in its fluctuation (low atmospheric pressure) over the Arctic with mid-January 2021 and the rest of the winter 2020/2021. Some projections have begun to indicate the possibility of a warming or split in the Arctic structure and the stratosphere in the midst of the so-called SSW phenomenon, the possibility of which is being monitored during next January.

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