Heat health alerts have been issued for parts of the Midlands and south-east England from 09:00 Friday 22 May until 17:00 Wednesday 27 May as temperatures rise during the long bank holiday weekend. Forecasts indicate daily temperatures will increase through the week, with the warmest conditions of the year so far expected to settle in. If temperatures reach 30C before Monday, it would be the earliest occurrence in the UK for over 70 years. A heatwave is defined by the Met Office as at least three consecutive days with daily maximum temperatures above a county-specific threshold. Thresholds vary, including 28C for Greater London and 25C for Northern Ireland and Scotland. Some areas may meet the definition over Friday to Sunday, with additional regions potentially meeting it after the bank holiday. Even where a heatwave is unlikely, temperatures are expected to remain mostly between 20-26C, with uncertainty about how long the warm spell lasts.
"Heat health alerts have been issued by the UK Health Security Agency (UKHSA) - in association with the Met Office - across much of the Midlands and south-east England valid from 09:00 Friday 22 May until 17:00 Wednesday 27 May. The mercury is set to creep up each day for the remainder of the week before the warmest weather of the year so far settles in. If readings reach 30C before Monday, it will be the earliest date this has happened in the UK for over 70 years."
"A heatwave in the UK is defined by the Met Office as at least three consecutive days with daily maximum temperatures exceeding a county-specific threshold, reflecting a sustained spell of unusually hot weather. The heatwave threshold temperature varies across the UK. In Greater London it is 28C whereas in Northern Ireland and Scotland it is 25C. It is likely that a few places could meet the heatwave definition during Friday, Saturday and Sunday."
"With the unseasonable warmth expected to continue into Tuesday and beyond, more parts of England and Wales could experience a heatwave after the bank holiday weekend. Even in places where a heatwave isn't likely, it still looks warm over the long weekend, with temperatures for most between 20-26C. As early as Friday afternoon, temperatures are expected to reach up to 28C in south-east England."
"This will be the warmest weather of the year so far, exceeding the 26.6C (79.8F) recorded at Kew Gardens in April. However, there remains uncertainty about how long the warm spell will last. The most likely scenario is for heatwave conditions to hold on until at least the middle of next week, with a change to something a little cooler and more unsettled from Thursday onward."
#uk-heatwave #heat-health-alerts #met-office-temperature-thresholds #weather-forecast #midlands-and-south-east-england
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