أمطار غزيرة، عواصف رعدية، وسيول على الطرقات.. متى ينتهي المنخفض الجوي؟

“Weather Alert: Heavy Rain, Thunderstorms, and Floods Expected in Lebanon Until Thursday”

Weather Bulletin from the Directorate of Forecasting at the Lebanese Meteorological Department – Sunday, November 17, 2024

General Weather Situation: Lebanon and the eastern Mediterranean basin are gradually being affected by a low-pressure system associated with relatively cold air masses, centered to the southwest of Turkey. This system will bring heavy rainfall, with thunderstorms, active winds, hailstorms, and the formation of floods on the roads. Temperatures will decrease significantly, dropping below their seasonal averages. The system will continue affecting the region until Tuesday evening, with unstable weather expected until Thursday morning. Gradual stabilization of weather is anticipated, with temperatures returning to normal.

Note:
Average temperatures for November in Lebanon are between 17°C and 25°C in Beirut, 13°C and 23°C in Tripoli, and 8°C and 20°C in Zahle.

Warning:
Flooding and hail formation are expected starting from Sunday evening.

Expected Weather in Lebanon:

Sunday:
Partly cloudy with no significant change in temperatures, which will begin to decrease gradually after the afternoon. The weather will turn cloudy, with fog forming on the mountains. Scattered rain will start falling, becoming heavier by the evening, accompanied by thunderstorms. Winds will strengthen, reaching speeds of 60 km/h by night, and the sea will rise to 1.5 meters. Hailstorms and flooding are expected on the roads.

Monday:
Cloudy with a significant drop in temperatures, which will be below the seasonal averages. Thick fog will form on the mountains, reducing visibility. Scattered rain will be frequent, sometimes heavy, with thunderstorms and active winds reaching up to 60 km/h. Sea waves will rise to about 1.5 meters. Hail is expected, and flooding will occur on the roads. Snow will fall at altitudes of 2200 meters and above.

Tuesday:
Partly to mostly cloudy, with fog on the mountains, and no significant change in temperatures. Scattered rain will continue, heavy at times, with thunder and lightning, and active winds during the morning. Snow will fall at altitudes of 2200 meters and above. Rain intensity will lessen after noon with occasional clear spells.

Wednesday:
Partly cloudy with a slight increase in temperatures and fog on the mountains. Scattered, intermittent rain is expected, particularly in northern regions.

Expected Temperatures:

Precipitation Accumulation:

Surface Winds:
Southwest, active winds between 15 and 35 km/h, with speeds reaching up to 60 km/h by Monday morning.

Visibility:
Good overall on the coast, deteriorating in the evening on the mountains due to fog and heavy rain.

Relative Humidity on the Coast:
Between 50% and 85%.

Sea State:
Moderate to rough seas.

Sea Surface Temperature:
24°C.

Atmospheric Pressure:
1014 HPA (761 mmHg).

Sunrise:
06:11 AM.

Sunset:
16:34 PM.