Global Precipitation & Temperature Outlook April 2018

Global Precipitation & Temperature Outlook April 2018

The April 2018 Outlook indicates wetter than normal conditions in India, East Africa, and northwest Brazil. Significantly warmer than normal temperatures are forecast for Far East Russia and Alaska, much of eastern China, particularly the Yangtze River Basin from Shanghai to Chongqing, and eastern Australia from Brisbane to Canberra. 

East Asia: Intense water deficit forecast for Mongolia, Inner Mongolia, & Hunan

East Asia: Intense water deficit forecast for Mongolia, Inner Mongolia, & Hunan

Exceptional water deficits in Mongolia and into China will increase. Moderate deficits will continue to emerge in Northeast China and North Korea. Deficits in South Korea will downgrade, though severe conditions will persist around Seoul. In Southeast China, deficits will spread and upgrade in Fujian and Jiangxi, becoming severe, and moderate deficits will emerge along the Yangtze River. Exceptional deficits will increase in Hunan and Guizhou, and deficits in Yunnan will become extreme. Exceptional surplus will persist in the Han River watershed. Moderate surplus is forecast the Huai River. 

Southeast Asia & the Pacific: Water surplus forecast for Myanmar, Vietnam, Philippines

Southeast Asia & the Pacific: Water surplus forecast for Myanmar, Vietnam, Philippines

Cambodia continues to stand out through May in Southeast Asia with exceptional water deficit in the west. Surpluses are forecast for much of the rest of Southeast Asia, the Philippines, and Malaysia, and may be especially intense in western Myanmar, around the Gulf of Tonkin, central Philippines, and Brunei. Deficits will emerge in the southern tip of Sumatra and into Java, but are expected to nearly disappear in Papua New Guinea, persisting mainly around the Gulf of Papua. After May, surpluses in the region will retreat and Cambodia will return to near-normal conditions.

South Asia: Intense water deficits forecast for Afghanistan thru August or longer

South Asia: Intense water deficits forecast for Afghanistan thru August or longer

Through May, intense water deficits are forecast for India’s northern half, moderate deficits in the south, with exceptional conditions in Karnataka along the Tungabhadra River. Intense surpluses are forecast for Jammu and Kashmir, West Bengal, and the western Penner River Basin in India, as well as Bangladesh and Nepal. Surpluses of lesser severity are forecast for western Maharashtra. Intense deficits are forecast for Afghanistan and southern Pakistan. After May, deficits in India will be mild in the north, moderate in the south, and mild surpluses will emerge across the middle.

Central Asia & Russia: Water deficit forecast in Turkmenistan, Uzbekistan, esp Fergana Valley

Central Asia & Russia: Water deficit forecast in Turkmenistan, Uzbekistan, esp Fergana Valley

Exceptional water surpluses in European Russia will shrink and downgrade. The Ob River Basin will transition from surplus to deficit, with a block of exceptional deficit in the Tobol River watershed south of the city of Tyumen. Intense surpluses are expected to persist around the city of Krasnoyarsk on the Yenisei River. Deficits will emerge in Turkmenistan and Uzbekistan, and exceptional deficits in the Fergana Valley, western Kyrgyzstan, and southern Tajikistan. Severe deficits are forecast Kazakhstan along the Ural River in the west leading into Orenburg, Russia.