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• PowerPoint Presentation

  later in the season (56% chance during May-July 2022). The effects of La Niña are likely to remain wide-reaching during the northern hemisphere spring. With a couple of notable exceptions (including East Africa) La Niña, very broadly speaking, tends to increase the likelihood of wetter than normal

• Briefing on the Arctic sea ice minimum - September 2019

  identical to that recorded in 2007 and very close also to that of 2016. It is 2.07 million square km below the 1981-2010 average and 0.77 million square km above the record low extent of 3.39 million square km, which occurred in 2012. It is very close to the long-term linear trend in September minima, which

• PowerPoint Presentation

  be seen here. Conversely, in June, a more active than normal west African monsoon has resulted in wet or very wet conditions in parts of western Africa, such as north Mali and north Nigeria. Southern Africa was wetter than normal in many regions during April, however, in May Malawi and Madagascar

• PowerPoint Presentation

  in October, parts of West Africa remained wet or very wet during November. As seasonal rains shifted south across the continent, parts of central, eastern and southern Africa experienced below normal rainfall in November, although there were some exceptions such as Uganda which was wetter than normal

• PowerPoint Presentation

  . Outlook: Warmer than normal conditions are very likely. More frequent and intense heatwaves are possible across the MENA. 3-Month Outlook August to October - Temperature Much More Likely Below Normal Near-Normal Above Normal Likely Left: Middle East and North Africa Right: Caribbean region Likely Much

• PowerPoint Presentation

  are likely, with confidence highest across the Caribbean region and Central Indian Ocean. 3-Month Outlook September to November 2020 - Temperature Below Normal Near-Normal Above Normal Very Likely Likely Likely Very Likely Left: Middle East and North Africa Right: Caribbean region Climate Outlook

• Microsoft Word - 2025_01_wind_rain_snow.docx

  Heavy rain, strong winds and snow, New Year 2024-2025 The period from late December 2024 to early January 2025 brought some very wet and windy weather, with significant snowfalls across upland areas in the north. On 29 to 31 December, northern Scotland recorded its third-wettest 3-day period

• Microsoft Word - NAfrica_update2020

  ) regions. Probabilities are for 5 categories referred to as: very dry, dry, average, wet and very wet. The category boundaries are defined from 1961-1990 observations, such that the climatological probability for each category in that period is by definition 0.2 (20%). The strongest forecast signal

• Remaining unsettled with cold spell for some

  in eastern Scotland. Yellow warnings have been issued through the weekend here as after a three day spell of very wet weather across this region, a further spell of persistent and at times heavy rain is expected before easing during Saturday night. Many places are likely to see a further 20-30 mm of rain

• PowerPoint Presentation

  , rainfall has been near-normal across most of West Africa. Rainfall across East Africa has been largely near-normal, although wetter than normal conditions were experienced in some areas in March and April. Some very wet conditions were observed at times in South Africa, Zimbabwe and Mozambique