MEt OFFICE – General overview of weather conditions in relation to the hazard (Heat) next 5 days from June 9th

 

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General overview of weather conditions in relation to the hazard (Heat) next 5 days
A change of weather type over the weekend as the recent prolonged settled and dry spell, with an east/west split in temperatures and sunshine gives way to more unsettled conditions, in places. Temperatures will increase widely over the coming days, with maximum temperatures possibly exceeding 30 Celsius in a few places over the weekend and into early next week, especially across central and southern parts of England, due to winds coming from a more southerly direction. This brings an increased chance of heat-health alert criteria being met across all regions. With increasingly humid air moving up from the south and light winds through the weekend, overnight temperatures will be uncomfortable for many, with minimum temperatures widely in the mid to high teens. Due to the rising temperatures and increasing humidity, scattered showers or thunderstorms will be an additional hazard, these becoming gradually more extensive from the south, moving erratically north or north-eastwards during the period.

 

General overview of weather conditions in relation to the hazard (Heat) 6-15 days
Becoming increasingly settled, with high pressure drifting west or southwest across the UK, with an east/west split in temperatures possibly re-developing from the middle of next week. The warmest temperatures are likely be towards the west and south, where locally hot, with the potential for heat-health alert criteria being met in some of these regions early in the period. There is the potential for showers and thunderstorms to develop anywhere, probably more likely in the north and west later next week. Potential for some warm nights too. A slow cooling down trend looks likely from the east again as the high pressure builds westwards later in the period, with a drop in both daytime and overnight temperatures, but temperatures are likely to remain widely above the average. Beyond the middle of June, possibly a continuation of the fine and settled conditions. Likely to be warmer than normal for much of the UK, with the risk of further showers or thunderstorms, especially in the south.

 

General overview of weather conditions in relation to the hazard (Heat) 16-30 days
Similar to the above early in the period, with a continuation of mostly fine and settled conditions across the UK. Risk of further showers or thunderstorms, especially in the south. High pressure may re-orientate to the southwest, with lower pressure to the north and west of the UK, which bring the chance of rain to the west and northwest. Temperatures most likely trending back towards the average or above. Low confidence in any detail at this range.

 

Region Probability of reaching low impact threshold General comments on weather
Next 5 days 6-15 days 16-30 days
NE 60 20 20 Becoming warm but very warm inland from Sunday and Tuesday
NW 90 40 20 Becoming very warm or hot from Saturday to Tuesday
YH 90 30 20 Becoming warm but very warm or hot inland from Saturday to Tuesday
EM 100 60 30 Becoming warm but very warm or hot inland from Saturday to Tuesday
WM 100 60 30 Becoming very warm or hot from Saturday to Tuesday
EoE 100 60 30 Becoming warm but very warm or hot inland from Saturday to Tuesday
Lon 100 60 30 Becoming very warm or hot from Saturday to Tuesday
SE 100 60 30 Becoming warm but very warm or hot inland from Saturday to Tuesday
SW 100 60 30 Becoming warm but very warm or hot in the northeast of the region from Saturday to Tuesday

NE = North East | NW= North West | YH = Yorkshire and The Humber | EM = East Midlands | WM = West Midlands | EoE = East of England | Lon = London | SE = South East | SW = South West

For further information, please refer to the UKHSA Adverse Weather and Health Plan

All other enquiries can be directed to enquiries@ukhsa.gov.uk