The Flood Forecasting Division under the Department of Hydrology and Meteorology on Saturday afternoon warned of floods in riverside settlements and landslides due to incessant rainfall in some districts of Gandaki and Lumbini provinces.

Sunil Pokharel, senior hydrologist of the division, said there is a high risk of landslides due to sporadic heavy rainfalls for the last 24 hours.

According to the division, the rainfall in the last 24 hours has exceeded the threshold in Syangja, Dang, Nawalpur, Rupandehi, Palpa and Tanahun districts.

In the last 24 hours, the maximum rainfall of 220 mm was recorded at Danda in Nawalpur.

The Meteorological Forecasting Division recorded 159 mm rainfall in Koilabas of Dang, 167 in Tilottama of Rupandehi, 178 in Gandakot of Palpa, 276 in Deurali Nawal of Nawalpur and 141 in Malunga of Syangja.

Likewise, Atraulitar of Tanahun received 187 mm of rainfall, Tansen 169 and Bhairahawa 136.

According to the division, there is a risk of floods and landslides in a particular place if precipitation of over 60 mm is recorded within an hour, 80 mm in three hours, 100 mm in six hours, 120 mm in 12 hours and 140 mm in 24 hours.

Urban areas including Kathmandu are inundated when over 60 mm of rainfall occurs within an hour, according to Pokharel.

The flood forecasting division has asked people living in Tinahu riverside settlements to stay alert as the water level of the river has crossed the danger mark.

The water level has also increased in some small rivers in Koshi, Gandaki, Lumbini and Sudurpaschim provinces. The division has also warned of flash floods in streams flowing through the Chure region.

The division has also warned of flash floods in Rupandehi, Kapilvastu, Palpa and Nawalparasi.