Sierra Leone

Global Precipitation & Temperature Outlook November 2019

Global Precipitation & Temperature Outlook November 2019

Wetter than normal conditions are forecast stretching across much of India’s widest girth, with exceptional anomalies spanning the border of Rajasthan and Madhya Pradesh. Eastern Europe will be much warmer than normal, as well as parts of the Balkans.

Africa: Water surpluses persist in Tanzania & Kenya

Africa: Water surpluses persist in Tanzania & Kenya

Exceptional water deficits in North Africa will diminish but persist, and severe deficits are forecast in Gabon and in Nigeria south of the Benue River. Deficits will also persist in western Zambia and are expected to be extreme on the Kafue River. Moderate to exceptional deficits will emerge in central Botswana. Exceptional surpluses will persist in Tanzania, Kenya, and northern Uganda, but diminish somewhat in northern Madagascar. Surpluses east of Kinshasa in Democratic Republic of the Congo are forecast to increase in both extent and intensity, becoming severe.

Africa: Water deficits persist in Somaliland and Somalia; surpluses in Tanzania

Africa: Water deficits persist in Somaliland and Somalia; surpluses in Tanzania

The extent of exceptional water deficits is expected to diminish considerably through October – particularly in the southern half of the continent – but deficits reaching exceptional intensity are forecast from northern Mauritania through northern Sudan, and in Somaliland, Somalia, and eastern Ethiopia. A large block of exceptional surplus is forecast in eastern Tanzania, and some exceptional surplus is also expected in northern Madagascar. Overall, deficits will continue to downgrade through January 2018, while surpluses will increase in Tanzania and will emerge in Malawi, northern Mozambique, eastern Zambia, Uganda, western Kenya, and along the While Nile in South Sudan. 

Global Precipitation & Temperature Outlook for November 2016

Global Precipitation & Temperature Outlook for November 2016

Most noteworthy in the November 2016 Outlook is the forecast of a vast expanse of exceptionally warmer temperatures for the US Midwest and northward through Canada. Significant warm anomalies are also expected in coastal West Africa, the Gulf of Guinea, Madagascar, India's southern tip, and Southeast Asia. Exceptional dry anomalies are forecast along South America's northern Pacific coast and in southern Ethiopia. Areas forecast to experience wet anomalies include northern Brazil and northern Australia.

Coastal Western Africa: Exceptional deficit impacts through end of 2015

WSIM forecasts a widespread and exceptional drought for coastal West Africa (Gabon through Sierra Leone) peaking from July through Dec 2015. The affected region includes heavily populated areas of Nigeria and the countries facing challenges in the aftermath of the Ebola outbreak.