The hot weather has returned to northern Lincolnshire – but there’s a risk of “potentially impactful thunderstorms” later in the week that could bring more than a month’s worth of rain in just one day in the worst-affected areas.
A 24-hour yellow-level severe weather warning has been issued for Thursday by the Met Office with heavy showers and thunderstorms expected to develop which “may lead to some disruption”. Though exact locations are “still uncertain”, the forecaster says, where they occur, the heaviest showers could result in 20-30mm of rainfall within an hour, and 24-hour accumulations may reach between 70 and 90mm in areas that see multiple showers.
The average monthly rainfall for northern Lincolnshire in August is around 54-55mm, according to Met Office climate data between 1991 and 2020.
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In its warning, the Met Office says: “Heavy showers and thunderstorms are likely to break out across parts of England and Wales on Thursday afternoon. The exact location of showers is still uncertain and some places will stay dry all day. However, where the showers do occur they could be torrential, with the additional hazards of lightning, hail and gusty winds.”
The forecaster says the warning comes with the following risks:
- Spray and sudden flooding could lead to difficult driving conditions and some road closures
- Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
- There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost
- There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds
- There is a small chance of fast flowing or deep floodwater causing danger to life.
Met Office deputy chief meteorologist David Oliver said: “There’s a chance of some thundery showers across some southern areas of England on Wednesday, then on Thursday there is a signal for some potentially very heavy thunderstorms to develop. There are still details to confirm during this period, but in any event there is a chance of some impacts on each day, especially Thursday.
“The heaviest showers on Thursday could result in 20-30mm of rain within an hour, with daily totals possibly reaching as high as 90mm if multiple showers impact the same location. Lightning and hail present additional hazards, with disruption likely for some. This is a developing element of the forecast, so it’s important to stay up-to-date with the latest outlook in the coming days.”
A warm week
Before the arrival of more unsettled weather, it’s looking set to be a sunny and dry first half of the week with very warm temperatures around our region.
Highs of around 29C are expected today (Monday), with plenty of sunshine around. It’ll stay warm on Tuesday with highs of between 24 and 27C and it’ll be “increasingly humid though cooler along coasts”. The fine weather will continue on Wednesday, though temperatures will dip a little, before the increasing risk of showers arrives on Thursday – though it’ll still be warm and humid.
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Met Office chief meteorologist Frank Saunders said: “Much of the UK is entering a warm or even hot interlude of weather, with some places in England and Wales likely to meet heatwave criteria in the coming days.
“Temperatures are likely to peak at around 32C in southeast England on Tuesday and Wednesday, with much of the UK experiencing dry, fine and warm conditions in the first half of the week.”
Original artice: https://www.grimsbytelegraph.co.uk/all-about/scunthorpe
