UK weather: ‘exceptional’ fire severity risk as another heat-health alert is issued | UK News

A health alert lasting until Saturday has been issued by the UK Health Security Agency (UKHSA) as the country braces for another heatwave.

A level 3 alert is in place for southern and central England, and level 2 for the north. Level 4 is the most serious designation.

The Met Office said temperatures are expected to rise to the low to mid 30s in the central and southern UK – but won’t be as extreme as July’s record heat when the thermometer topped 40C .

Find out the five-day forecast where you live

Outside of the hottest areas, much of England and Wales and south-east Scotland could see temperatures well into the low 20s, with a chance a few places will see temperatures in the low 20s. 30 degrees, the Met Office said.

Scotland and Northern Ireland will also see temperatures in the low 20s and could hit official heat wave criteria by Friday, forecasters said.

The Met Office recently raised the target temperatures for an official heat wave in eight English counties, to reflect warming conditions in the UK.

With the latest heat wave coming after months of light rain, which has left the countryside and urban parks and gardens dry, households in some areas are being asked not to light fires or have barbecues.

The Met Office’s Fire Severity Index (FSI), an assessment of how serious a fire should be, is very high for most of England and Wales, and will reach ” exceptional” for part of England by the weekend.

Read more:
Top tips for saving water during the heat wave

What uses the most water in our homes, where does our water come from and what happens during a drought?

Scientists say the likelihood of droughts occurring is increasing due to climate change, driven by greenhouse gas emissions from the burning of fossil fuels and other human activities.

Dr Leslie Mabon, Senior Lecturer in Environmental Systems at the Open University, said: “Above all, the risk of drought we are seeing in the UK reminds us that we urgently need to tackle the problem at source. : This means reducing emissions from fossil fuels Limiting the extent of adverse climate change we will face.

The charts below show a measure of drought called the UK Center for Ecology and Hydrology’s Standardized Rainfall Index for July and the previous 12 months.

“Additionally, countries like the UK, which have traditionally had a more temperate climate and have less experience dealing with the prolonged effects of hot, dry spells, need to plan now to adapt to warmer weather. hot.

“More than encouraging individuals to save water, it also means looking at our water infrastructure and determining where investments are being made to ensure we are better prepared to manage water in hot weather.”

Professor Martin Siegert, Co-Director of the Grantham Institute for Climate Change and the Environment, Imperial College London, said: “Global warming is understandably on everyone’s mind when the UK is scorching, its water is becoming scarce and crop yields are dwindling.

“Although such things are the consequence of greenhouse gas emissions, and because global temperatures will rise further, we must renew our efforts to reduce our emissions to ‘net zero’ as soon as possible.”

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Meanwhile, Southern Water has imposed a watering ban on customers of Hampshire and the Isle of Wight.

Temporary restrictions on water use are also to come into effect for South East Water customers in Kent and Sussex from August 12, with similar rules announced by Welsh Water for Pembrokeshire and Carmarthenshire later this month.

Others have warned they may have to follow suit, following the driest eight months of November to June since 1976, and the driest July on record in parts of southern and eastern Europe. ‘England.

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