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• Wet and windy weekend for many

  From the early hours of Saturday morning, a band of heavy rain will gradually move in from the southwest and transition northeast through the day, with the potential for some surface water flooding where rain falls on saturated ground. A number of warnings for rain have been issued. Wind

• Arctic and Antarctic end-of-season report - October 2025

  emitted from the Earth’s surface; the precise algorithm used to convert the microwave signal to ice fraction leads to differences in the measured extent. In 2025, this uncertainty is likely even higher than normal due to a recent change in the satellite sensor used to produce the two indices. Figure 1

• Briefing on Arctic and Antarctic sea ice - June 2019

  on average (Figure 5a). The surface temperature anomalies were associated with a pattern of higher-than-average sea level pressure over the North American continent, and lower-than-average sea level pressure over much of the Arctic Ocean itself, and the north coast of Siberia, with regions of mild

• mwr_2025_09_for_print.pdf

  of the month. There were also periods of strong winds and heavy downpours, sometimes associated with thunderstorms, at several points in the month. Settled conditions crept in with high pressure on the 21st, but the rain returned on the 27th, widespread but particularly heavy over the west coast of Scotland

• mwr_2025_09_for_printpdf

  of the month. There were also periods of strong winds and heavy downpours, sometimes associated with thunderstorms, at several points in the month. Settled conditions crept in with high pressure on the 21st, but the rain returned on the 27th, widespread but particularly heavy over the west coast of Scotland

• caa-case-study-1---high-pressure.pdf

  is the cloud base associated with it? Does it produce rain and if so, how much of it is reaching the ground? How much does it affect the visibility? Anticyclones (high pressure) are normally associated with clear skies and good weather, so it is often assumed that there are no aviation hazards

• mwr_2025_03_for_print_v1.pdf

  maximum temperature maps - calendar view 9. Daily minimum temperature maps - calendar view 10. Daily rainfall maps - calendar view 11. Monthly atmospheric circulation 12. Weather diary 13. Notes UK overview March saw persistent high pressure bring settled conditions for most of the month. The month

• mwr_2025_03_for_print_v1pdf

  maximum temperature maps - calendar view 9. Daily minimum temperature maps - calendar view 10. Daily rainfall maps - calendar view 11. Monthly atmospheric circulation 12. Weather diary 13. Notes UK overview March saw persistent high pressure bring settled conditions for most of the month. The month

• mwr_2025_03_for_print.pdf

  maximum temperature maps - calendar view 9. Daily minimum temperature maps - calendar view 10. Daily rainfall maps - calendar view 11. Monthly atmospheric circulation 12. Weather diary 13. Notes UK overview March saw persistent high pressure bring settled conditions for most of the month. The month

• Warnings in force as cold weather continues

  now affecting regions further south, we advise motorists to plan well as ice forms on untreated surfaces.  “Drivers should ensure their tyres have plenty of tread and are inflated to the correct pressure to give them the best possible grip on the road. It’s best to stick to major roads, rather