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• Why do we have seasons?

  marks the start of autumn. Do all countries have the same seasons? Not all parts of the world experience four seasons. Countries near the equator often have just two - wet and dry - because the Sun’s position doesn’t change much throughout the year. In contrast, countries at higher latitudes, like

• PowerPoint Presentation

  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

• PowerPoint Presentation

  ://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

• PowerPoint Presentation

  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

• PowerPoint Presentation

  and Burkina Faso were wet or very wet. Uganda was also very wet in July and August with Cameroon wet in July and very dry in August. Ghana was very dry in July. 3-Month Outlook November to January - Rainfall Outlook: In East Africa, the ‘Short Rains’ season takes place for many parts during this period

• sur-sharmila-oscar-alves-harry-hendon-antje-weisheimer-magdalena-balmaseda-matthew-wheeler-wendy-sharples-andrew-marshall---predicting-enso-events-and-their-regional-impacts-beyond-a-yearpdf

  series of Niño3.4 indices for all initialised forecasts relative to ERSST IV. Prediction of Regional Impacts Based on Nov0 initialised forecasts: Model predicts overall dry conditions across Australia during 1 st (Y0) and 2 nd (Y+1) wet-season of multi-year El Nino events but underestimates the rainfall

• New global dataset shines a light on humidity extremes

  this is more difficult, increasing health risk to humans. Analysis of the new data has shown that global annual / seasonal mean of maximum daily wet bulb temperature, a measure of humidity, has increased by around 0.2°C each decade between 1973-2022. This rate of change is even higher when looking

• cop_1.5_report_3.pdf

  decrease is about 15%. However, some basins in south and east Asia are projected to see increased flow in all simulations. Flows in the Ganges increase by up to 90% at 1.5°C and by up to 130% at 2°C. Figure 2. Range of projected changes in flow in major river basins at 2°C and 1.5°C global warming

• cop_15_report_3pdf

  decrease is about 15%. However, some basins in south and east Asia are projected to see increased flow in all simulations. Flows in the Ganges increase by up to 90% at 1.5°C and by up to 130% at 2°C. Figure 2. Range of projected changes in flow in major river basins at 2°C and 1.5°C global warming

• cop_15_report_3pdf-1.cop_15_report_3pdf

  decrease is about 15%. However, some basins in south and east Asia are projected to see increased flow in all simulations. Flows in the Ganges increase by up to 90% at 1.5°C and by up to 130% at 2°C. Figure 2. Range of projected changes in flow in major river basins at 2°C and 1.5°C global warming