Londoners are reveling in warm spring weather as temperatures soar to 20.8C, with forecasts predicting the hottest day of the year on Saturday, potentially reaching 25C. The Met Office anticipates dry and sunny conditions until then, with London and southern England experiencing the highest temperatures. However, travel disruptions loom as a section of the M25 closes for construction, coinciding with ongoing train strikes. Despite the pleasant forecast, the Met Office warns of a short-lived heatwave, with thundery conditions expected to return next week, accompanied by cooler temperatures and showers.      

Mount Ibu, situated in Indonesia's North Maluku province, erupted, sending a thick column of ash 1.5 kilometers into the sky. The volcano's alert level was raised from two to three, with authorities establishing an exclusion zone of three to five kilometers around the crater. Residents were advised to wear protective gear due to the possibility of falling ash. Indonesia, located on the Pacific "Ring of Fire," frequently experiences seismic and volcanic activity. Last month's eruptions of Mount Ruang prompted evacuations, with ongoing vigilance maintained in affected regions.

Temperatures are set to soar this weekend, with Saturday expected to be the hottest day of the year so far. The Met Office predicts highs of up to 26C in the south of England, beating the current high of 23.4C recorded in Suffolk last Thursday. High pressure will bring dry and settled weather, making for a pleasant and warm weekend. According to Met Office meteorologist Amy Bokota, there is good confidence that the high pressure will last until the weekend, with temperatures building over the next few days and peaking on Saturday.

Delhi is expected to receive rain this week, bringing relief from the scorching heat. The maximum temperature on Tuesday touched 42 degrees Celsius, three notches above normal. While temperatures remain high, no heatwave warning has been issued. According to the IMD, partly cloudy weather is predicted for Wednesday, with temperatures likely to cross 40 degrees Celsius. However, light drizzling and thunderstorms are expected on May 11 and 12, providing a respite from the heat. The maximum and minimum temperatures are expected to settle at 41 and 24 degrees Celsius, respectively.

A severe heatwave is persisting across India, with temperatures soaring in several states. Rajasthan, Gujarat, Tamil Nadu, and Karnataka are expected to experience heatwave conditions on Tuesday, while Delhi is likely to reach 42 degrees Celsius. The national capital recorded its hottest day of the year on Sunday, with a maximum temperature of 41.1 degrees Celsius. The India Meteorological Department has warned of above-normal temperatures this month, with heatwave conditions prevailing in several regions, including West Bengal, Odisha, and Andhra Pradesh. Saraikela in Jharkhand recorded the highest temperature at 45.1 degrees Celsius in the past 24 hours.

The India Meteorological Department (IMD) has issued a fresh heatwave warning for eight states as temperatures continue to exceed 45 degrees Celsius. The affected regions include Saurashtra & Kutch, Gujarat, Vidarbha, Rayalaseema, Telangana, Tamil Nadu, Puducherry & Karaikal, Interior Karnataka, West Rajasthan, East Rajasthan, and West Madhya Pradesh. With heatwave conditions persisting in various parts of the country, IMD forecasts a new heatwave spell in Western India, covering Gujarat, Rajasthan, and western Madhya Pradesh, over the next five days. Residents are advised to take necessary precautions to avoid heat-related illnesses.

The intense heatwave affecting eastern and southern peninsular India is expected to subside soon, according to the India Meteorological Department (IMD). Eastern regions can expect relief by today, while southern states will have to wait another day. A wet spell with thunderstorms and gusty winds is likely till May 10. Temperatures have been above 40°C since last month, with Kolkata recording 43°C on April 30, its highest in 50 years. Meanwhile, western India, including Gujarat, Rajasthan, and western Madhya Pradesh, will experience a fresh heatwave spell in the next five days.

The Lakshadweep Sea is experiencing a widespread coral bleaching event due to ongoing heatwaves, reports by the ICAR-Central Marine Fisheries Research Institute (CMFRI). Surveys show a significant portion of hard coral species have undergone severe bleaching, caused by prolonged marine heatwaves since October 2023. The Degree Heating Week (DHW) indicator has surpassed 4°C-weeks, posing a substantial risk to coral health and threatening the region's diverse marine ecosystems. If the DHW continues to rise, it could lead to a catastrophic biodiversity crisis, warns senior scientist K R Sreenath, highlighting the urgent need for conservation efforts.

A big hailstorm hit Manipur, causing lots of damage to houses, cars, and crops. In the Imphal valley, farms were destroyed, and fruits and veggies were ruined. People on bikes got hurt in Imphal West when the hailstorm suddenly came. Many homes in places like Canchipur and Tera got damaged, with roofs pierced by hailstones. Trees fell, and car windshields cracked. Chief Minister N Biren Singh said the government will fix the houses fast. He asked people to send pictures of the damage to their local officials for quick help.

Amid rising temperatures exceeding 43 degrees Celsius, town planners in Kolkata caution against rapid urbanization, stressing the need for increased green spaces. The Institute of Town Planners, India, urges awareness among residents and emphasizes holistic planning to mitigate climate-related disasters. Measures proposed include enforcing land use plans, conserving forests and wetlands, promoting public transport, and discouraging unauthorized construction. With Kolkata facing potential water shortages, proactive measures are imperative to ensure sustainable urban development and resilience to environmental challenges.