Exceptional deficits throughout Africa will persist in northwestern, northern, and central countries. Surpluses will remain along the Sahel.
Exceptional deficits will remain throughout the Amazon and the Boliviarian Nations. Similar deficits will occur in northeastern coastal regions of Brazil, in Argentina, and in Chile.
The forecast for November 2024 expects significant water deficits for the 12-month period of August 2024 through July 2025 in northern South America, Canada, northwestern and eastern China, and northern to central Africa. Areas expected to experience surplus include central Africa, South Asia, and Central America.
With the release of WSIM v3 and 8 years of additional data, we reevaluate drought risk in the Amazon and the historic drought that continue to affect the region.
The forecast indicates that extreme to exceptional surpluses in northern Australia will diminish, though will still remain present in some regions of Northern Territory. Exceptional deficits across the continent will similarly dissipate, though severe deficits are expected along the southern coast of Victoria.
The forecast through December indicates that water surpluses of varying intensity will dominate most of India and will include exceptional anomalies from Mumbai into Kerala; the Indravati River Basin; the Narmada River Basin; and central Rajasthan. Surpluses are also forecast for Nepal, Bhutan, Bangladesh, Sri Lanka, the Indus River system in Pakistan, and much of Afghanistan.
The forecast through August 2019 indicates persistent, widespread water surpluses in Afghanistan with exceptional surpluses around Mazar-e Sharif and from Kandahar to Kabul. Exceptional deficits will emerge in southwestern Pakistan. In India, mild deficits or normal water conditions are forecast for most of the country, with moderate deficits in Kerala, northern Tamil Nadu, southeastern Madhya Pradesh, and Uttaranchal. Moderate surpluses will emerge in central Gujarat.
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.
Intense water deficits will persist in central India through April, after which a transition to surplus is forecast stretching coast to coast across the country’s middle. Until the transition, deficits will be extreme in Madhya Pradesh, western Chhattisgarh, western Karnataka, and eastern Andhra Pradesh, and moderate deficits will emerge in Odisha, Telangana, and southern Tamil Nadu. Intense surplus will persist in Bangladesh, nearby Indian states, and Nepal. Deficits in Afghanistan will downgrade but persist, as will deficits in northern Sri Lanka.
Intense water deficits are forecast to persist in Madhya Pradesh, India through June 2018. Through March, deficits will spread throughout much of India. Intense deficits will persist in Madhya Pradesh and Karnataka, and will emerge in eastern Gujarat. Deficits will be moderate in southern Pakistan but more severe in Afghanistan. Exceptional surpluses will continue in Bangladesh and nearby states in India. After March, water anomalies will downgrade overall, but deficits will persist in Madhya Pradesh and will emerge in India’s far northeast, and surpluses will re-emerge in the Pennar River Basin.
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