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Father Elie Khneisser wrote on his Facebook page the latest meteorological developments as follows: The Upper Siberian barriers were penetrated by two storms with low pressure values that reached 994hpa, and began to divert towards China and Siberia, this situation corresponds to the control of the Azorean high in Western and Central Europe, which will open The path ahead of the Atlantic depressions towards the Middle East through southern Europe and North Africa during the second half of this month of January coincides with its arrival from cold polar descents towards Turkey, Cyprus, Syria and Lebanon.
Details of the storm depression in terms of wind, precipitation, and snow.
1- wind:
High-altitude subtropical activity continues over the Arabian Peninsula, Sinai, and Egypt. Warm winds from the southeast will kick in on Tuesday to turn south on Wednesday, raising temperatures to 26/27 degrees on the coast and 21/22 degrees in areas.
The cold winds from the west are active, reaching a speed of 60 km per hour, reaching a peak between Thursday night and Friday, oscillating between 80 and 100 km per hour, leading to a sea wave height of about 5 meters.
This depression is elevated to a second-class storm due to its strong winds, heavy rains, and long duration.
2- Precipitation:
The arrival of the rains begins on Wednesday afternoon, and with the approach of the cold air depression, it collides with the warm winds from the south that cover Lebanon and Palestine, so that the evening humidity rises to 92% and results this collision. Cemme on the western coast and mountains, and this situation continues until the Thursday before noon.
Torrential rains are expected to lead to torrential rains, flooding and dust erosion in all Lebanese regions, as the rain for the duration of the storm is expected to exceed 300mm (until next Tuesday).
How will the expected percentage of rain be distributed?
First class 250-320 mm
The coast of Syria (Tartous and Latakia), Batroun, Jbeil and its surroundings, Amchit, Safra, Tabarja, Jounieh, Ghadir, Harissa, Dbayeh, Beirut, Naameh, Sidon.
Second degree 190-245 mm
Tripoli, Akkar, Koura, Zgharta, Bcharre, Upper Ibrahim River, Yahshoush, Kesrouan mountain regions, Matn, Chouf, Aley, Baabda and Nabatiyeh mountain areas.
-Third grade 100-185mm
The central and western regions of Bekaa, Tire and Marjeyoun, Jezzine, Bint Jbeil, Rmeish,
Fourth degree 50-95mm
Baalbek, North Bekaa, North Palestine and North Jordan, Horan, Damascus and Yabroud, Amman.
Fifth degree 20-45 mm
Homs and Hama.
3- Snow:
Polar mass activity remains weak in Lebanon and Palestine so far and may be active early next week, so snowfall will be limited to a height of 1,300 meters and may touch 1,100 meters on Saturday, and the Notable accumulations remain in the mountains above 1400/1500 meters.
Amounts of snow are expected over the Lebanese mountains during this storm, according to Tuesday’s radar update:
2500/3000 meters: 2 to 3.5 meters
1900/2400 meters: 1 to 2 meters
1600/1800 meters: 40 to 80 cm
1600/1400 meters 15 to 45 cm
The probability of snow touching 1300/1100 is about 2 to 20 cm.
The snow level will gradually decrease from 2300 to 1100 meters, and the accumulations will be the proportion of the heights above 1400/1500 meters.
Wednesday weather is sunny, turning cloudy with rising temperatures.
A clear collision between the hot masses and the light winds that will arrive in the afternoon, which will cause heavy rains and hailstorms and the formation of lightning and storms.
The temperature on the coast for Wednesday: 26/27 days and 17 nights
In the Bekaa: 21 days and 8 nights
In the mountains 1200 meters: 18 days and 7 nights
In the mountains 2000 meters: 15 days and 1 night
Wind: warm from south to cold west at night, with speeds between 30 and 55 km per hour
Atmospheric pressure: drops from 1020 to 1006 hpa
Humidity: between 65% and 92%
Sea: low waves
