Weather warnings for thunderstorms have eased across the UK today today, but rain warnings were still in place. Heavy rain hit the UK yesterday and during the early hours of this morning leading to flash flooding and thunder which caused disruption to many. The rainfall is expected to usher in a potential heatwave, with warm and humid weather expected later and perhaps the odd heavy shower. But how much rainfall will fall today?
Today intense thunderstorms were predicted to hit the UK, with several weather warnings in place.
Now, the storms and torrential rain is lifting from eastern and some central parts, but it is likely to remain cloudy and murky as well with further light rain anticipated in some areas.
The Thunderstorm warnings expired at 12pm today.
Before the thunderstorms began to appease, rainfall of around 16-32mm per hour was seen in some areas of the UK including near to Bristol and Margate.
Further east the weather will be cooler with chilly winds off the North Sea, arriving before hot and humid air arrives from France, which is set to lift temperatures into the low 30’s Celsius in places on Saturday.
Heat Health Alerts have been issued for Thursday until late Saturday in conjunction with Public Health England.
Met Office Chief Meteorologist Steve Willington said: “It’s going to get very warm across parts of the west and southwest of the country from Wednesday, and it’ll feel hot in places across southern and western parts of the UK by Friday, with temperatures possibly reaching 30 Celsius in a few spots.
“Not everywhere will see the high temperatures, however, as an easterly breeze will keep North Sea coasts much cooler.
“By Saturday the warmth will spread further east with temperatures into the low 30s Celsius in places, while further west much fresher, but still warm conditions are expected.
“Fresher conditions will then spread to all parts of the UK by late Sunday. Localised heat-waves are possible in a few places across the UK by Saturday.”
The humidity will make it feel muggy for many this week, with overnight temperatures expected to remain in the high teens and possibly the low 20Cs in some urban areas.
But what actually is humidity?
Humidity is the word used to describe the amount of water vapour in the air.
It doesn’t affect the weather as such, but it can indicate how likely is it that there will be dew, fog or precipitation.
Humidity levels can be expressed as either absolute humidity, specific humidity or relative humidity.
Specific humidity is expressed as the ratio of water vapour mass to the total mass of moist air.
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