TEHRAN According to Metrological Organization, average rainfall is forecast to be regular and less than typical in the next six weeks, from January 6 to February 18.
In the very first week, January 6 to 12, rainfall is less than regular in Gilan, and Ardabil provinces, and in some areas of the middle and northern Zagros.
There is a low opportunity of rain or no rain in other areas of the country.The typical air temperature is forecasted to be normal in the east, and southeast.
It will reach 3C less than regular in some central parts of the nation, and 1-5 C above regular in other areas.The greatest temperature (35 C) will be tape-recorded in the northwest, the middle and northern Zagros, and the southern slopes of the Alborz and the north-eastern strip.In the second week, the northern half of the country is anticipated to receive more rainfall; the rainfalls in Zagros, Alborz, north-west and north-east will be within the regular range, but it will be less than regular in the south and south-east.
Accumulated rainfall is forecasted to amount to 50 to 100 mm in some parts of the middle Zagros and the western part of the country.The air temperature level, during the second week, will be 1 to 5C above normal with the greatest increase (3-5 C) to happen in the northern half of the country.During the 3rd week, the rainfall in the center and northern half of the country is expected to be typical, while in the southern half, it tends to be less than typical.
The air temperature is predicted to be 1 to 3 C above normal.The quantity of rains in the 4th week will tend to be above regular in the Caspian coast and Ardabil province, less than normal in the center, southwest, and southern parts, and regular in other areas.
The air temperature level will get 1 to 3 C above typical in provinces located in southern parts of the country, and regular in other areas.In the fifth week, rainfalls will be less than regular in the provinces located in the west, and southwest, less than normal in the south and east, and regular in other areas.Rainfall, in the sixth week, is forecast to be less than normal in the southwest, south, and southeast of the nation, above normal in the Caspian coast, and normal in other areas.The temperature in the fifth and sixth weeks will be regular in the majority of regions; it will get 1-2 C above normal in the south, southeast, and southwest.Since the start of the current water year (September 23, 2024), precipitations have come by 42 percent compared to the long-term average, according to Metrological Organization.The built up rains in the present water year has totaled up to 38.4 mm which indicates a 42-percent decline in contrast to the long-lasting typical rainfall of 66.4 mm, ISNA reported.The typical precipitations from December 24 to 30 totaled 4.2 mm, revealing about a 17.3 percent decrease compared to 5 mm in the long term.From the beginning of the winter, typical rains equated to 4.5 mm.
Compared to the 7.3 mm rainfall taped in the long term, it has actually stopped by 38.8 percent.Apart from Mazandaran and Kordestan provinces, the quantity of precipitation in other provinces has been less than normal.Hormozgan province recording 6.3 mm of rainfall has experienced an 85.6 percent decrease in precipitations, compared to 42.2 mm tape-recorded in average long-term.
Rainfall in Tehran has actually also decreased.
From September 23 to December 30, 2024, the average rainfall came to 53.8 mm, reducing by 32.4 mm compared to 79.5 mm rain tape-recorded in the long.MT/ MG