From mid-March to April 2019 widespread flash flooding affected large parts of Iran, most severely in Golestan, Fars, Khuzestan, Lorestan, and other provinces.

Many Iranians including politicians took to social media platforms to criticize the handling of the floods by the government, specifically President Hassan Rouhani.

[20] On 25 March, flash floods following heavy rains in Southwestern Iran in the vicinity of the city of Shiraz[21] killed 19 people[22] and injured more than 200 others.

Iran's Meteorological Organisation gave warnings for further floods, as heavy rains were expected to last at least until 27 March.

[citation needed] Official reports, however, indicated that a total of 21 people were killed in Fars province, which includes Shiraz, by 5 April.

[25] A brief but intense rainfall caused a sudden flash flood that submerged the main highway between Shiraz and Esfahan, trapping many travelers who had been leaving the city after Nowruz celebrations.

an internal police report stated that at least 90 people were killed when floods engulfed the western city of Poldokhtar in Lorestan province.

[43] This rare AR started its long, 9000 km journey from the Atlantic Ocean and travelled across North Africa before its final landfall over the Zagros Mountains.

Water transport by AR Dena was equivalent to more than 150 times the aggregated flow of the four major rivers in the region (Tigris, Euphrates, Karun and Karkheh).

Agriculture suffered tremendous damage, with losses in the sector reaching 46 trillion rials (US$1.1 billion) by 3 April.

[49] Mohamad Hossein Talebian, deputy chairman of Iran's Cultural Heritage Organization reported on 27 March that "cracks on the ancient reliefs in Naqsh-e Rustam in Fars province are widening in a critical way."

The ancient water ducts also protected the Tomb of Cyrus the Great and saved the internationally acclaimed site from destruction by the floods.

Excavations of Great Wall of Gorgan were also damaged due to its close proximity to a dry riverbed which experienced flooding.

[50] According to the guardian, the damages have been so severe that the Iranian authorities have stopped foreign journalists from visiting the areas that are affected the worst.

[52] On 15 April 2019 it was reported that a leisure center that belonged to Iran's security forces was one of the "major structures" responsible for the recent deadly flood.

[54] Civil and armed forces have been mobilized since 24 March and Eshaq Jahangiri with several ministers as well as army commanders have traveled to the areas affected by floods to help people.

[56] On 25 March, Chief Justice of Iran, Ebrahim Raisi stated that "Any shortcomings regarding the handling of the floods, failure to provide relief and aid to the survivors will be investigated".

In total, "537,000 kgs of food and living items have been transferred through 556 flight hours and 1,970 relief and rescue workers were transported".

[57] On 9 April, following the Relief efforts in Golestan province, Deputy Commander of Neynava Division of the IRGC Colonel Seyed Mousa Hosseini promised that in order to enliven people, their efforts such as feeding, relief aid, and housing is keeping until normally everyday life appears.

"[39] Relief efforts including clearing rubble, diverting water, building dykes, and distributing supplies are performing by local communities, soldiers and volunteers.

[42] On 9 April, volunteer team including 90 trained rescue people from West Azerbaijan province went to flood-stricken regions.

In other hands, the organization ensured, when people return to their normal life, EIKO will be able to "provide some 3,000 job opportunities" for citizens.

[58] Pakistan's National Disaster Management Authority, on the order of country's Prime Minister Imran Khan, sent 32 tonnes of relief goods to Iran.

Previously Pakistan's Foreign Office (FO) spokesperson, Dr. Muhammad Faisal, condoled with the families of the victims.

[62] On 13 April, The aid convoy including more than 100 vehicles which was sent by Iraq's Harakat Hezbollah al-Nujaba, a major Shia resistance group arrived in Iran.

[63] On 13 April Ali Asghar Peyvandi, the head of Iranian Red Crescent Society, said that despite non-cash assistance such as blankets, tents, sanitary wares donated from Kuwait, Turkey, Azerbaijan, France, Germany, Armenia, Pakistan, foreign cash aid has not been deposited to the Iranian Red Crescent account, So far, we have not received even a dollar or one euro.

[64][67] In order to assist people who have been affected by the heavy flood in Iran, the WHO on 10 April 2019, has deployed important medical supplies in the country.

Rouhani suffered greater scrutiny after it was revealed that he was on vacation on Iran's Qeshm Island in the Persian Gulf and returned to Tehran while the floods had begun subsiding.

[9] In April 2019, two weeks after the flood, Mohammad Pakpour, a commander of Iran's Islamic Revolutionary Guards Corps (IRGC) told the reporters there had been "no management" of the rescue or aid operations in Pol-e Dokhtar and that government officials would not "dare" to go the area because the "people are in a rebellious mood.