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1.5°C. To give the 1.5°C threshold at least a 50% chance of being met without continued exceedance we need to see annual emissions down to around 30 gigatonnes by 2030.” Dr Wiltshire continued: “If 1.5°C is exceeded over a sustained period, of say several decades, then this is known as overshoot

the UK during 2021. The provisional UK mean temperature for 2021 was 9.3 °C, which is 0.1 °C above average. January was the UK’s coldest month since March 2013, and April saw the most air frosts for the UK for at least 60 years. While January, April and May were notably cold, most of the other

the heat.” Heatwave criteria A UK heatwave threshold is met when a location records a period of at least three consecutive days with daily maximum temperatures meeting or exceeding the heatwave temperature threshold. The threshold varies by UK county. Although some parts of England may perhaps meet

if you know someone in any of these groups, please keep an eye on them over the coming days make sure they’re heating their homes to at least 18 °C and keeping an eye on the weather forecast.” Richard Leonard, Highways England Head of Road Safety, said: “Gritters will be out treating our roads around

. “Try to keep homes heated to at least 18C, stock up on any essential medicine or food that you need before the cold arrives and remember that you will be warmer wearing several thin layers instead of fewer thick ones. “Whenever temperatures drop more people become seriously ill, including pneumonia

in parts of Wales and the west Midlands and a slight chance of 35 Celsius being reached.  Wales could see it's current maximum June temperature of 33.7 Celsius challenged, set in Machynlleth, Powys on 18 June 2000.  With the hot weather lasting for at least three days, heatwave conditions

, and centennial time scales or at least understand how predictions on shorter time scales can inform longer term projections. The first stage is to run an ensemble of the latest climate model with prescribed SSTs to understand which model parameters control predictability.  

at particular risk in cold weather as their bodies struggle to cope when temperatures fall. So before it gets cold check on friends, family and neighbours, who may be at risk and make sure they’re heating homes to at least 18C, see if they need any particular help or just someone to talk to and keep an eye

Temperatures have reached at least 30 Celsius in all four nations over the last few days. The last time this happened was during a warm spell in July 2013.  Porthmadog, Wales, has seen the highest temperature of the year so far, with 33.0 °C recorded on 28 June.  Chief Meteorologist, Will Lang

A mix of weather in the run-up to Christmas, including strong winds later this week and then a trend to colder weather at least over northern parts.

the west later on. As this moves east, we may see rain turning to snow, at least over high ground. It’s unlikely that we will see widespread or settling snow giving any proper accumulations. Although technically it might be a white Christmas, don’t get your hopes up for a picture-perfect white landscape