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• Relative operating characteristic (ROC)

  yellow, orange and red respectively - and indicate regions with relatively good seasonal prediction skill. Regions with ROC score between 0.6 and 0.7 show skill at lower levels but still better than guessing or use of climatology. Grey or light blue shading is used when scores are below 0.6 (i.e. near or below to the 0.5 'no-skill' threshold, suggesting forecasts in these regions are currently little better than guesswork).

• Bitterly cold nights ahead before milder conditions move in through the weekend

  will attempt to move into the UK from the southwest on Friday morning, heralding the end of this impactful cold spell. Increasing cloud and light rain, perhaps preceded by a little snow, will begin to affect northwestern then northern parts of the UK through the weekend. Here, temperatures will be back

• Warming up this week

  The start of the week will be fine and dry with sunny spells for many in England and Wales. However, a series of weak fronts will push into Scotland and Northern Ireland bringing cloudier weather here with a chance of some light rain, especially across the northwest.   It could be the hottest spell

• met-office-data-products-and-services-brochure-july-2025.pdf

  , Marine synoptic, buoy observations, light vessels, hourly rainfall, national climate and radiosonde. Covering 24 hours and all WMO and MMS stations. Popular parameters include rainfall and temperature. FTP Alphanumeric, BUFR/IWXXM DPT Global Lightning Lightning strike location data (LEELA

• met-office-data-products-and-services-brochure-july-2025pdf

  , Marine synoptic, buoy observations, light vessels, hourly rainfall, national climate and radiosonde. Covering 24 hours and all WMO and MMS stations. Popular parameters include rainfall and temperature. FTP Alphanumeric, BUFR/IWXXM DPT Global Lightning Lightning strike location data (LEELA

• eastern-england_-climate-met-office.pdf

  . Other major centres of population include Peterborough, Norwich, Ipswich, Cambridge, Lincoln, Grimsby and Hull. Temperature The mean annual temperature over the region varies from around 9.5 °C to just over 10.5 °C. Variations in temperature depend on both altitude, with a decrease of about 0.5 °C

• Microsoft Word - 2026_05_may_heatwave_1.docx

  , and none in May, until 2026. (*It is possible earlier dates in June or September may come to light as more historic data pre-1961 are digitized; for example 2 September 1906 when 35.6°C was recorded in the UK). The maps below show other examples of May days in the UK where 30°C was reached

• eastern-england_-climate-met-officepdf

  . Other major centres of population include Peterborough, Norwich, Ipswich, Cambridge, Lincoln, Grimsby and Hull. Temperature The mean annual temperature over the region varies from around 9.5 °C to just over 10.5 °C. Variations in temperature depend on both altitude, with a decrease of about 0.5 °C

• Parallel Suite 43 release notes

  , and improvements to the way mixing is represented in the boundary layer under certain cloud regimes has corrected a long-standing problem of unrealistic temperature profiles. In the tropics and sub-tropics, convection has more realistic structure and spurious light rain/drizzle is reduced

• mo_together_northern_ireland.pdf

  forecasters, advisors and specialist scientists on the interpretation and impact of the weather during an emergency. If required, Met Office experts are ready to attend or teleconference into tactical/strategic command and control centres. The Met Office’s Public Weather Service provides a range