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increase is observed in tropical regions of South America, Northern Africa and through Asia. Similarly, the number of warm nights in these regions have increased by over eight days per decade, leading to a doubling since the late 1970s.  The variability of rainfall over space and time tends to be greater

of Sahel, especially Mali and Burkina Faso were wet or very wet. 3-Month Outlook August to October - Rainfall Outlook: In East Africa, the ‘Short Rains’ season will commence later in this period (the season nominally runs from October to December). Here, drier than normal conditions are more likely

. Shifting rainfall patterns will likely lead to some regions becoming wetter and others becoming drier. Additionally, these more arid regions could dry further because of global warming. Warmer temperatures can increase evaporation of water from the ground. As soils become drier, the air above may heat

, Dennis and Jorge, bringing wet and windy weather in February. The most noteworthy winter month was February, due to a rapid succession of named storms, rainfall totals were well above normal virtually everywhere, with many places getting more than three times their expected average. It was the wettest

Northern Ireland has had its third hottest summer on record, and Scotland its fourth. The summer of 2021 has been a season of contrasting fortunes across the UK, with the north and west of the UK experiencing a warmer, drier and sunnier season compared to average while parts of the south east have

Seasonal to decadal forecasts Although climate is expected to warm over the coming century in response to increasing levels of greenhouse gases, regional changes over the coming seasons to a decade or more are likely to be dominated by unforced natural variability of the climate system. Some

conditions thereafter - this is the dry season, so observed rainfall totals were small. 3-Month Outlook September to November - Rainfall Outlook: Over the next three months, the West African Monsoon will move south. Many areas of west and central Africa are likely to be wetter than normal. Eastern

been unsettled, very wet, and dull with a succession of frontal systems bringing rain and wind. There was a cold start to March (Benson in Oxfordshire recorded -4.6°C on the 3 rd ) with snow falling on the 2 nd across parts of south-west England causing disruption to travel. After the first few days

balanced (Climatological Odds). This wet signal extends into northern Mozambique. Otherwise, much of southern Africa is more likely to be drier than normal, although in absolute terms the potential rainfall deficit is likely to be small as this is towards the end of the dry season. Tropical cyclones

://iridl.ldeo.columbia.edu/maproom/. * Region usually experiences less than 10mm/month rainfall during the month (dry season). Additional Information: (1) Note: Very Wet in the east, normal or dry in the west (2) Note: Very Wet in the north (3) Note: Mainly normal or cool but cold in the north (4) Note