Meteorology of Iran 09/04/1402; Tehran’s “unhealthy” air for all groups/rainy system enters the country on Monday – rahnam

According to the economic reporter of rahnam news agency, based on the general forecast of synoptic maps and foresight Meteorological Organization Today in Sistan and Baluchistan, east of Hormozgan and the southern half of Kerman, rain, sometimes showers, thunder and strong winds are predicted. Tomorrow, Sunday, in some parts of the northwestern part of the country, there will be scattered showers and an increase in wind speed, and in other parts of the country, calm and stable weather prevails.

On Monday, with the arrival of the rainy system in the northwestern and western regions of the country, there will be an increase in clouds, torrential rain, sometimes thunder, strong wind, snowfall in cold and high areas, and scattered rains on the western coast of the Caspian Sea.

On Tuesday, the rain continues more intensively in the coastal provinces of the Caspian Sea, and scattered rains occur in some areas of the northeast of the country.

Wednesday in Hormozgan and Strait of Hormuz islands, cloudy and scattered rain is expected, and in other regions of the country, the weather is stable.

From today to Monday in the industrial and densely populated cities of Tehran, Karaj, Arak and Isfahan, an increase in the concentration of atmospheric pollutants and a decrease in air quality are expected.

In addition, a gradual increase in temperature is expected from today to the middle of the week in most regions of the country, while there will be a noticeable decrease in temperature on Tuesday in the northwest and on the shores of the Caspian Sea, and on Wednesday in the northeast. Also, since late Monday and Tuesday, the Caspian Sea is rough.

Description of the system: intensification of the activity of the precipitation system

Start time: Saturday 09/04/1402

End time: Saturday 09/04/1402

Type of danger: heavy rain, thunder, temporary strong wind, possibility of hail

Effect area:

Saturday 09/04/1402: East of Hormozgan and East of Sistan and Baluchistan.

Risk effect: Disruption in the road, rail and air transport fleet, flooding of roads, flooding of rivers, flooding of roads, temporary strong winds, lightning, damage to temporary structures such as banners, scaffolding, billboards and breaking of old trees and damage to garden and agricultural products.

Recommendation: Avoiding unnecessary trips, not stopping at riverbeds and banks, caution in crossing riverbanks and canals, refraining from mountain climbing activities and moving nomads, restrictions on construction activities, preparation of executive and relief agencies and cleaning of bridge mouths, dredging of canals. and aqueducts, avoiding car parking next to dilapidated trees and half-finished buildings, transferring agricultural products to standard warehouses.

System description: air stability

End time: Sunday 09/05/1402

Type of risk: relative stillness of the air along with the increase in the concentration of atmospheric pollutants and the decrease in air quality.

Effect area:

Saturday 09/04/1402: Tehran, Isfahan, Qom, Karaj, Semnan and Arak.

Sunday 09/05/1402: Tehran, Isfahan, Qom, Karaj, Semnan and Arak.

Risk effect: increasing the concentration of pollutants, increasing the air pollution index to an unhealthy level for sensitive groups, and if pollutant sources (fixed and mobile) are not controlled in high-traffic areas, unhealthy for all groups.

Recommendation: Optimal management of fossil fuel consumption, control of polluting industrial activities, reduction of unnecessary traffic and avoidance of outdoor sports, especially for the elderly, children and people with a history of heart and respiratory diseases.

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