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Forecast of July- August-September 2022 season rainfall in the Sahel and other regions of tropical North Africa: Preliminary forecast 1 FORECAST OF JULY-AUGUST-SEPTEMBER 2022 SEASON RAINFALL IN THE SAHEL AND OTHER REGIONS OF TROPICAL NORTH AFRICA: PRELIMINARY FORECAST Andrew Colman Met Office

Forecast of July- August-September 2022 season rainfall in the Sahel and other regions of tropical North Africa: Updated forecast 1 FORECAST OF JULY-AUGUST-SEPTEMBER 2022 SEASON RAINFALL IN THE SAHEL AND OTHER REGIONS OF TROPICAL NORTH AFRICA: UPDATED FORECAST Andrew Colman Met Office Hadley Centre

-month, but eastern areas were drier. Total rainfall amounts for the season have been unexceptional, mostly within 25% of average. Sunshine has also shown a contrast, being rather more than normal in September, but well below average for most areas during October, then broadly closer to normal

since 2014 and is made of up of five partnership projects, Brazil, India, China, South Africa and DSE Asia. A further presentation will be given to the Board on the work within the programme. The business case was approved. Adam Scaife (Principal Fellow and Head of Long Range Forecasting) presented

: Cold in the north and Hot in the south. (2) Note: Mixed in the west, Normal in the east. (3) Note: Wet in the north, to Very Dry in the south * Region usually experiences less than 10mm/month rainfall during the month (dry season). Climate Outlook Global: April to January Current Status 11 Current

mountain range. The first snowfall of the season can be seen to have covered much of the Alps, from the mountain areas of Austria at its eastern end and right across to the south-western end, near the French/Italian border north of Nice. Credits: Image: © Crown copyright, Met Office, Data: NOAA/NASA

, wetter winters and hotter drier summers, which will influence the release of pollen into the atmosphere. Yolanda added: “We’re already seeing an impact on the pollen season as a result of climate change. Some species are having longer seasons, some are starting earlier and some are more severe. We’re

month on average) and the west and central mountainous regions are wetter (up to 250mm per month depending on the season) (figure 2). Most of the country experiences the majority of its rainfall in two main seasons with the long rains from March-May and the short rains in October- 4 November (figure 3

7.4 Information on early/late season Sahel rains 7.5 Rainfall versus Drought Predictability 8. Summary: Gaps and Potential Opportunities Supported by: Fund Manager: 1. Introduction: Aims and Scope This report is a literature review on the topic of seasonal-decadal prediction of Sahel rainfall

Seasonal Assessment – Spring 2021 The following represents a provisional assessment of the weather experienced across the UK during Spring 2021 (March, April and May) and how it compares with the 1981 to 2010 average. This spring was a season of contrasts. Overall it was colder than average