TEHRAN – The average rainfall in the first month of spring is forecast to be above normal, with a large proportion of precipitations expected in the first two weeks, according to the Meteorological Organization.

Rainfall is expected to be heavy in southern, middle, and parts of northern Zagros region in west of the country, south and center of Kerman in southeast, Bushehr and Hormozgan in south, and Sistan-Baluchestan in southeast, which can led to overflow of rivers and severe flooding, IRNA reported.

In the first two weeks, from March 21 till April 3, the temperature will be above normal in northern part of the country, and normal or less than normal in other parts of the country. From April 4 to 20, the temperature will be less than normal in most parts of the country, particularly south-west and southern parts. 

From March 23 to 29, precipitation and high winds are expected in most provinces including Khuzestan, Chaharmahal-Bakhtiari, Kohgiluyeh-Boyerahmad, Ilam, Lorestan, Hamedan, East Azarbaijan, West Azarbaijan, Tehran, Markazi, Zanjan, Qazvin, and Alborz. It will snow in mountainous areas. 

Weekly accumulated precipitations is estimated to be more than 100 mm in Fars, Bushehr, Hormozgan, and Kerman provinces, as well as provinces located in middle and southern Zagros.

The temperature will be one to three degrees higher than normal in southern parts of Alborz mountains, and central parts of the country. It will be one to three degrees less than normal in middle Zagros, and normal in other regions.

From March 30 to April 5, rainfall in northern and southern parts of Zagros, Hormozgan, south of Kerman, Sistan-Baluchestan, north, northern-east, and east of the country will be above normal. It will be normal in other parts of the country. Precipitations are projected to be heavy in northern, and southern half of Sistan-Baluchestan.

The temperature will be up to one degree higher than normal in northern part of the country. In some parts in Hormozgan province, the temperature is forecast to be three to six degrees less than normal. It will be one to three degrees less than normal in southern parts, and east of the country. In other parts, the temperature will be normal.

In the second week of April, rainfall in the coasts of the Caspian Sea, northern half of north-west and middle Zagros, parts of northern and southern Zagros and other parts will be normal, and/or above normal. 

From April 13 to 19, precipitations will be normal and in the next two weeks (April 20 to May 3), it is forecast to be normal and/or less than normal.

From April 6 to 19, the temperature in the Persian Gulf is projected to be three to six degrees less than normal. It will be one to three degrees less than normal in southern parts, east, southwest, and west of the country. It will be normal in other parts. 

From April 20 to 26, the temperature will be one to six degrees less than normal in southern half of the country, northern and middle Zagros. In Khuzestan, Bushehr, and southwest of Fars provinces, the temperature will drop by three to six degrees. 

The temperature will be normal in most parts of the country from April 27 to May 3. It will be one to three degrees less than normal in Khuzestan, Bushehr, south of Fars and Kerman, Hormozgan, and Sistan-Baluchestan provinces, as well as eastern parts of the country.