How Tropical Storm Debby from the US could bring temperatures over 30C to the UK next week
Tropical Storm Debby could help play a role in bringing temperatures in the mid-30s to the UK next week.
This week Debby raked Florida with heavy rain and high winds before moving into the US southeast.
By Tuesday, the storm had killed six people and caused serious flooding in the US, after making landfall on Monday as a Category 1 hurricane, before weakening to a tropical storm in the afternoon.
Over the coming days, the storm will continue to hit parts of the east and southeastern US.
It could bring as much as 600mm (23in) of rain - around half the yearly average - to the Carolinas.
However, later in the week, it will gradually weaken and start to break up.
But even as it does, it will play a role in influencing UK weather, possibly helping to send temperatures spiking to the hottest they have been this year.
The storm itself will not reach the UK, but the influence of Debby will play a role in the medium range forecast, the Met Office has said.
Its system and remnants will act as a background influence as it affects the strength and shape of the jet stream - which often plays a significant role in UK weather.
Met Office deputy chief meteorologist Nick Silkstone said: "Debby in North America will help to strengthen and veer the direction of the jet stream and this means this ribbon of air is likely to shift further to the south.
"This southwards dip in the jet stream will likely be located across the mid-Atlantic this weekend and early next week, allowing southwesterly flow across the UK.
"During this time a hot and perhaps very hot airmass could develop and be advected into the southeast of the UK."
Sky's meteorologist Dr Christopher England said: "Indications are there'll be a brief hot spell from Sunday, probably only lasting 2-3 days, but the extent is not certain at the moment.
"Temperatures are likely to reach at least 30C, with a relatively low chance of reaching the mid-30s."
This is down to "warm tropical air being dragged northeast across the States by Hurricane Debby, and causing an oscillation in the jet stream", which is bringing air south-westwards to the UK from the Azores, he said.
And all heatwaves are now made that bit hotter by the underlying impact of climate change, which is driving up global temperatures, according to scientists at World Weather Attribution.
However, the warm weather will not be enjoyed by all of the UK.
Some parts could still see "periods of heavy rainfall" and even "severe thunderstorms breaking out".
The Met Office has said that the northern extent of the hot airmass will most likely be across central and northern parts of the UK and "will likely see periods of heavy rainfall moving northeast, and within the hot airmass there is a chance of some severe thunderstorms breaking out".
As the dip in the jet stream likely continues east towards the middle of next week, the UK could be left on the colder side, eventually feeling more changeable with cooler conditions later on.
It could also be "unseasonably windy" in some west and northwestern areas.
-SKY NEWS