Warning of the arrival of a system of heavy rains and the possibility of floods in Eretz Samyar, a meteorologist, reported heavy rains since Friday in the southwest and the Alborz mountain range and warned of the possibility of floods. Also, a sharp drop in temperature is expected from Monday, November 9. For Tehran, between November 14 and 8, especially in the northern and western regions, rain, showers, thunderstorms and strong temporary winds are expected.