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New Delhi: India is likely to experience above-normal cumulative rainfall in the 2024 monsoon season with La Nina conditions likely to set in by August-September, the IMD has said on Monday.

However, normal cumulative rainfall does not guarantee uniform temporal and spatial distribution of rain across the country, with climate change further increasing the variability of the rain-bearing system.

Climate scientists say the number of rainy days is declining while heavy rain events (more rain over a short period) are increasing, leading to frequent droughts and floods.

Based on data between 1951-2023, India experienced above-normal rainfall in the monsoon season on nine occasions when La Nina followed an El Nino event, India Meteorological Department chief Mrutyunjay Mohapatra told a press conference here.

Positive Indian Ocean Dipole conditions are predicted during the monsoon season. Also, the snow cover in the Northern Hemisphere is low. These conditions are favourable for the Indian southwest monsoon, he said.

Moderate El Nino conditions are prevailing at present. It is predicted to turn neutral by the time monsoon season commences. Thereafter, models suggest, La Lina conditions may set in by August-September, Mohapatra said.

India received "below-average" cumulative rainfall -- 820 mm compared to the long-period average of 868.6 mm -- in 2023, an El Nino year. Before 2023, India recorded "normal" and "above-normal" rainfall in the monsoon season for four years in a row.

El Nino conditions -- periodic warming of surface waters in the central Pacific Ocean -- are associated with weaker monsoon winds and drier conditions in India.

Three large-scale climatic phenomena are considered for forecasting monsoon season rainfall.

The first is El Nino, the second is the Indian Ocean Dipole (IOD), which occurs due to differential warming of the western and eastern sides of the equatorial Indian Ocean, and the third is the snow cover over the northern Himalayas and the Eurasian landmass, which also has an impact on the Indian monsoon through the differential heating of the landmass.

The southwest monsoon delivers about 70 percent of India's annual rainfall, which is critical for the agriculture sector. Agriculture accounts for about 14 percent of the country's GDP.

New Delhi, Apr 12: India on Friday asked its citizens not to travel to Iran or Israel amid escalating tensions between the two countries following a strike on the Iranian consulate in Syria 11 days ago.

Iran blamed Israel for the strike and there have been fears that Tehran may launch an attack on Israel soon.

In an advisory, the Ministry of External Affairs (MEA) also urged the Indians residing in Iran and Israel to exercise utmost precautions about their safety and restrict their movements to minimum.

“In view of the prevailing situation in the region, all Indians are advised not to travel to Iran or Israel till further notice,” it said.

“All those who are currently residing in Iran or Israel are requested to get in touch with Indian Embassies there and register themselves,” the MEA said.

“They are also requested to observe utmost precautions about their safety and restrict their movements to the minimum,” it added. 

Mangaluru: After as the state health ministry issued guidelines to the public in view of a heatwave, the health department in Dakshina Kannada has advised people to be cautious about the impact of heatstroke, including heat rash, heat edema, heat cramps, heat tetany, heat syncope, and heat exhaustion.

Dakshina Kannada district nodal officer for climate change, Dr Naveenchandra Kulal, said that the impact of heat-related illness can also be found in the district, when there is a variation of about 4.5⁰C from the normal temperature.

Dr Kulal told media persons here on Friday, that the impact of heat-related illness is not confined to Raichur, Kalaburagi, and other North Karnataka districts.

“Those who reside inside tin sheet houses and closed environments are likely to suffer from heatstroke. People should hydrate themselves by drinking more water and avoid working under the direct Sun. Heat exhaust fans can be used. Though no heatstroke cases have been reported in the district, any negligence may cause heatstroke,” he said. 

DHO Dr Thimmaiah HR said that hotels and restaurants should supply boiled water, and they should clean the overhead tanks once every three months. The filter of drinking water units should be cleaned frequently, he said.

He also directed paying guest accommodations to supply fresh food to inmates.

“We have received complaints of many paying guest accommodations serving sambar cooked the previous day to inmates. Stale food should be avoided, as there are chances of food contamination. Plastics should be avoided while packing food in hotels. As per the Food Safety and Standards Authority of India (FSSAI) guidelines, the use of plastic to pack hot food is restricted,” the DHO said.