Red alerts issued as heavy thunderstorms, flash floods threaten several Saudi regions

Saudi Arabia's National Center for Meteorology has issued red alerts for heavy rain across Jazan, Makkah, and Al-Baha regions on Wednesday. The forecast predicts moderate to heavy thunderstorms capable of causing flash floods, accompanied by strong winds, near-zero horizontal visibility, hail, and dust/sand storms. Additional regions, including Madinah, Hail, Tabuk, Al-Jouf, Riyadh, and the Eastern Province, will experience light to moderate rain.

Fog may form during the night and early morning over coastal areas of eastern and western Saudi Arabia. Temperatures are expected to peak at 39°C in Makkah, Madinah, and Dammam, with Riyadh and Buraidah reaching 37°C. Jeddah, Arar, and Sakaka are forecast to hit 36°C, while Jazan, Tabuk, and Hail will see temperatures of 35°C, 34°C, and 34°C, respectively.

Humidity levels will reach 100% in Dammam, 90% in Al-Baha, 85% in Jeddah, Abha, and Jazan, 80% in Makkah, 75% in Tabuk, 65% in Hail, 60% in Sakaka, 50% in Madinah and Arar, 40% in Riyadh and Najran, and 35% in Buraidah.