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| UK weather: Heat health alerts in force amid water shortage fears | |
| (32 minutes later) | |
| Heat health alerts have come into force across England on Tuesday morning, ahead of the expected peak of the UK's fourth heatwave of the year. | Heat health alerts have come into force across England on Tuesday morning, ahead of the expected peak of the UK's fourth heatwave of the year. |
| Much of England and Wales will see 25-28C, reaching 34C in some areas, with heatwave thresholds likely to be met in several regions this week. | Much of England and Wales will see 25-28C, reaching 34C in some areas, with heatwave thresholds likely to be met in several regions this week. |
| In central and southern areas, amber heat health alerts mean a rise in deaths and increased demand on health services, as well as travel disruptions, are likely. | In central and southern areas, amber heat health alerts mean a rise in deaths and increased demand on health services, as well as travel disruptions, are likely. |
| After a dry spring and a string of summer heatwaves, England is now suffering from "nationally significant" water shortfalls, the national drought group - which includes the Met Office, regulators, the government and water companies - has warned. | After a dry spring and a string of summer heatwaves, England is now suffering from "nationally significant" water shortfalls, the national drought group - which includes the Met Office, regulators, the government and water companies - has warned. |
| The group said England is experiencing widespread environmental and agricultural effects from the shortage of water, which were hitting crop yields, reducing feed for livestock, damaging river wildlife and wetlands, as well as increasing wildfires. | The group said England is experiencing widespread environmental and agricultural effects from the shortage of water, which were hitting crop yields, reducing feed for livestock, damaging river wildlife and wetlands, as well as increasing wildfires. |
| The amber heat health alerts, issued by the UK Health Security Agency (UKHSA), came into effect across the Midlands, East Anglia, London and south-east England at 09:00 BST and continue until 18:00 on Wednesday. | The amber heat health alerts, issued by the UK Health Security Agency (UKHSA), came into effect across the Midlands, East Anglia, London and south-east England at 09:00 BST and continue until 18:00 on Wednesday. |
| Less severe yellow alerts - indicating negative effects on the vulnerable and health services are possible - will cover the rest of England. | Less severe yellow alerts - indicating negative effects on the vulnerable and health services are possible - will cover the rest of England. |
| A jet stream to the north and high pressure to the east is drawing up hot and humid air from the south | A jet stream to the north and high pressure to the east is drawing up hot and humid air from the south |
| The UK has been drawing in some very warm air from Europe, where temperatures have been particularly high. Bergerac and Bordeaux in France set all-time records at 41.4C and 41.6C, respectively, on Monday. | The UK has been drawing in some very warm air from Europe, where temperatures have been particularly high. Bergerac and Bordeaux in France set all-time records at 41.4C and 41.6C, respectively, on Monday. |
| Low 30s are likely for central and southern England, as well as south-eastern Wales, on Tuesday. Anywhere from south-west Midlands to west London could see a high of 34C. | Low 30s are likely for central and southern England, as well as south-eastern Wales, on Tuesday. Anywhere from south-west Midlands to west London could see a high of 34C. |
| While this would not be the hottest day of the year so far, the current record in Wales could be threatened. | While this would not be the hottest day of the year so far, the current record in Wales could be threatened. |
| Temperatures across Scotland and Northern Ireland could reach as high as 27C. | Temperatures across Scotland and Northern Ireland could reach as high as 27C. |
| How do heat health alerts work? | How do heat health alerts work? |
| What should you look for when choosing sunscreen? | What should you look for when choosing sunscreen? |
| What are UV levels and how can you protect yourself? | What are UV levels and how can you protect yourself? |
| There have been 13 days so far this year that have seen temperatures in excess of 30C. | There have been 13 days so far this year that have seen temperatures in excess of 30C. |
| That number will rise further this week, but is still less than the 19 days in 2022 and 34 days in 1995. | That number will rise further this week, but is still less than the 19 days in 2022 and 34 days in 1995. |
| While not all parts of the UK will enter a heatwave this week, some areas are expected to enter a heatwave on Wednesday, when they surpass a temperature threshold that varies by region for at least three consecutive days. | While not all parts of the UK will enter a heatwave this week, some areas are expected to enter a heatwave on Wednesday, when they surpass a temperature threshold that varies by region for at least three consecutive days. |
| Conditions will remain warm for a third day for most on Wednesday, though temperatures could dip a little in the west. | Conditions will remain warm for a third day for most on Wednesday, though temperatures could dip a little in the west. |
| Highest temperatures of 2025: | Highest temperatures of 2025: |
| England - 35.8C Faversham, 1July | England - 35.8C Faversham, 1July |
| Wales - 33.1C Cardiff Bute Park, 12 July | Wales - 33.1C Cardiff Bute Park, 12 July |
| Scotland - 32.2C Aviemore, 12 July | Scotland - 32.2C Aviemore, 12 July |
| Northern Ireland - 30C Magilligan, 12 July | Northern Ireland - 30C Magilligan, 12 July |
| It will also be cloudier and more humid, with the highest temperatures forecast for East Anglia. | It will also be cloudier and more humid, with the highest temperatures forecast for East Anglia. |
| The heat will ease for most on Thursday with some thunderstorms and some cooler, less humid air into Friday. | The heat will ease for most on Thursday with some thunderstorms and some cooler, less humid air into Friday. |
| However, temperatures are likely to rise again into the weekend to the mid-to-high 20s, with 30C possible in southern England and southern Wales. | However, temperatures are likely to rise again into the weekend to the mid-to-high 20s, with 30C possible in southern England and southern Wales. |
| While linking climate change with specific individual extreme weather events can be difficult, scientists say that climate change is generally making heatwaves hotter, longer and more frequent. | While linking climate change with specific individual extreme weather events can be difficult, scientists say that climate change is generally making heatwaves hotter, longer and more frequent. |