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seasonal-assessment---junjul24.pdf

, mean temperatures in both June and July were below average across the UK, largely due to northerly winds bringing cold Arctic air. June started off cooler than average, with temperatures around 2°C below the long-term average in most areas, and although there was a warm spell in the third week

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More extreme weather events with planetary warming

and 1981-2010. Some areas such as the equatorial region of eastern South America and north of the Bay of Bengal seeing more rain failing in heavy events, but other areas such as eastern Australia have seen a corresponding decrease. HadEX3 dataset HadEX3 is the third version of the HadEX dataset, which

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La Niña slows atmospheric CO₂ rise: but not for long

vegetation to soak up more carbon-dioxide than usual for the third year running. So, while CO₂ levels in the atmosphere continue to increase due to emissions from fossil fuel burning and deforestation, this increase is smaller than it would have been without the extra carbon uptake by remaining forests

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Wintry, unsettled conditions continue

by the persistent wet weather. “We have seen our third weekend of exceptional river levels and stormy weather, continuing into this week; with the effects of climate change, we need to prepare for more frequent periods of extreme weather like this. People need to be aware of their flood risk, sign up

HadCM3: Met Office climate prediction model

was one of the major models used in the IPCC Third and Fourth Assessments, and also contributes to the Fifth Assessment. Its good simulation of current climate without using flux adjustments was a major advance at the time it was developed and it still ranks highly compared to other models

Memo

, waste heat is recycled where possible; the new supercomputer is more efficient, emitting less carbon per petraflop. • Diana Chaloner updated the Board on HR issues. • The Meteosat Third Generation business case was outlined to the Board and it was explained that the Met Office were working towards

Seasonal and climate models

in these reports were: Second Assessment Report (1995): HadCM2 Third Assessment Report (2001): HadCM3 Fourth Assessment Report (2007): HadGEM1 Fifth Assessment Report (2013): HadGEM2-ES, HadCM3 More information on our seasonal and climate models

How was May in the Midlands?

month, leaving the UK to have recorded 72% of its average May rainfall. But how was May 2025 in the Midlands? May 2025  Sunshine was in abundance, with 250.2 hours recorded - 31% more than the long-term meteorological average and the third sunniest since 1910.  Mean temperatures were also up, 1.4°C

HadGEM1: Met Office climate prediction model

of 1 degree between the poles and 30 degrees North/South, from which it increases smoothly to one third of a degree at the equator, giving 360 x 216 grid points in total, and 40 unevenly spaced levels in the vertical (a resolution of 10m near the surface). References: Johns, T.C, C. F. Durman, H. T

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July 2019: a month in UK climate statistics

during the last few days of July.” Conversely, some parts of western Britain have been much drier than average so far this summer. In particular Pembrokeshire has only received about one third (31%) of July’s usual average rainfall, and during the first two months of summer it has only received

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