A spell of persistent and heavy snow is expected on Wednesday night, clearing eastwards by dawn on Thursday morning. Travel delays are likely on roads with a risk that some vehicles and passengers could become stranded. Delays or cancellations are likely to rail and air travel. Some rural communities are likely to become cut off and power cuts are probable. Other services, such as mobile phone, may be affected.
A deepening area of low pressure is expected to track east across the UK during Wednesday night and early Thursday. A spell of persistent and heavy snow is expected to develop. 3-8 cm of fresh snow is likely to accumulate widely with up to 20 cm over high ground.
Some snow and icy patches are expected on Wednesday night and Thursday morning. Showers of rain, sleet and snow are expected to continue through Wednesday night and into Thursday morning bringing the risk of further accumulations of snow and icy patches. Some roads and railways are likely to be affected with longer journey times by road, bus and train services. Some injuries from slips and falls on icy surfaces, especially where showers wash off treatment and on untreated pavements and cycle paths.
The cold northwesterly flow will continue to bring showers of rain, sleet and snow on Wednesday night and Thursday morning. Some further accumulations are possible especially over ground above 200 m where a further 3 to 8 cm is possible locally. At lower levels snow accumulations will be generally small, locally 1 to 3 cm. Here the main risk is icy patches, especially where showers wash off any previous treatment.
A spell of snow, persistent and possibly heavy, is expected during Wednesday night and early Thursday. The snow is expected to clear east before dawn on Thursday. Travel delays are possible on roads with a risk that some vehicles and passengers could become stranded. Delays or cancellations are possible to rail and air travel. Some rural communities could become cut off. Power cuts may occur and other services, such as mobile phone, may be affected. This warning has been updated to change the warning area by pulling the northern boundary south across Scotland and including the whole of Northern Ireland, whilst also shortening its validity time to 0600 on Thursday morning.
A deepening area of low pressure is expected to track east across the UK during Wednesday night and early Thursday. Across some northern areas, a spell of persistent and perhaps heavy snow is expected to develop. This could see 3-8 cm of snow accumulate in places with up to 20 cm over high ground. There remains uncertainty regarding the extent and location of any heavy snowfall.
Strong winds will affect parts of the UK early on Thursday. The strongest winds are expected to transfer eastwards across the warning area before clearing by mid morning. Road, rail and ferry services may be affected, with longer journey times and cancellations. There is also a possibility that some bridges may close. Power cuts may occur, with the potential to affect other services, such as mobile phone coverage. Injuries and danger to life from flying debris are possible, along with some damage to buildings. In addition, large waves are expected to affect some western coasts with beach material being thrown onto sea fronts, coastal roads and properties. This is an update to the warning, shrinking the yellow area and also the validity period.
Gusts of 50-60 mph are likely quite widely. There is some uncertainty over the peak gusts, but there is a small chance of winds reaching 70 mph in places - most likely across coastal north Wales and northwest England during the middle part of the night and then across parts of Lincolnshire and East Anglia early on Thursday morning.