In the near-term water, surpluses reaching exceptional intensity will continue to emerge in Russia’s Volga River Basin and on the Ob, Vakh, and Tom Rivers, and in Aktobe, northern Kostanay, and western Akmola Regions, Kazakhstan. Exceptional deficits will increase in Yamal, Russia. Moderate to severe deficits are expected in Turkmenistan and Uzbekistan. In the spring, Volga Basin surpluses should downgrade, though remain widespread. Surpluses will persist between the Tom and Yenisei Rivers, and along the Ob and Irtysh Rivers. Severe deficits will continue to emerge in Turkmenistan and Uzbekistan.
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Water surpluses of varying intensity are forecast in Russia stretching from western European Russia to the Western Siberian Plain through April 2018 and are expected to be exceptional in large pockets of the Volga Basin and between the Upper Ob and Tom Rivers surrounding Novosibirsk from August 2017 through January 2018. In the near-term, August through October, deficit conditions in Turkmenistan and Uzbekistan are expected to ameliorate, leaving modest deficits. Exceptional surpluses will continue to emerge in northern Kyrgyzstan, including Bishkek.
In Russia large pockets of exceptional surplus conditions are forecast for the Volga River Basin and from the Lower Ob River to the Tom River, persisting through March 2018. Deficits will continue to emerge in much of eastern Russia through March, though they are not expected to reach exceptional severity beyond September. Moderate to severe surpluses will emerge from the Ural Mountains to the western edge of the Central Siberian Plateau from October through March. Surpluses will persist in many parts of Kazakhstan and throughout Kyrgyzstan. Moderate to severe deficits are forecast for Turkmenistan and Uzbekistan through December, diminishing thereafter.
Widespread pockets of exceptional water surplus conditions will continue across central Russia and northern and southern Kazakhstan for much of the forecast period, moderating towards early 2018. Increased flows are expected in the Ob and Volga River basins. Recent exceptional deficits across northern Russia may retreat somewhat to the northern regions of Krasnoyarsk Krai. Moderate deficits are forecast to develop over much of Turkmenistan and Uzbekistan from June through November before moderating in early 2018.
Widespread exceptional water deficits in northern Russia observed in the prior three months are forecast to retreat May through July. However, drier than normal conditions will persist from the Yamal Peninsula to the Sea of Okhotsk. Exceptional surpluses are forecast in the Volga River Basin, the Irtysh, and between the Ob and the Tom Rivers. Surpluses will continue to emerge in many parts of Kazakhstan and are also forecast for eastern Uzbekistan, Kyrgyzstan, and Tajikistan. Moderate deficits are forecast for Turkmenistan and central Uzbekistan. Beyond July the forecast shows a similar geographic distribution of anomalies but with some changes in conditions.
Widespread and exceptional water deficits observed in Russia in the prior three months are forecast to retreat April through June. However, drier than normal conditions will persist from the White Sea to the Lena River. Surpluses are forecast from the Irtysh to the Tom River, along the Middle Ob River, and between the Volga River and the Belaya River. Surpluses will continue to emerge in the many areas of Kazakhstan as well as in Kyrgyzstan, eastern Uzbekistan, and western Tajikistan. Moderate deficits are forecast for western Uzbekistan and parts of Turkmenistan.
Drier than normal conditions will persist in many parts of northern Russia from the White Sea through the Central Siberian Plateau. Surpluses will continue to emerge in northwestern Kazakhstan, down the middle of Kazakhstan through Karagandy Region, and in Kyrgyzstan. From May through July deficits will increase southwest of Russia’s Yamal Peninsula, exceptional surpluses will emerge between the Irtysh and Yenisei Rivers, and moderate deficits will emerge in Turkmenistan and Uzbekistan.
Drier than normal conditions will persist in many parts of northern Russia from the White Sea past the Central Siberian Plateau through August 2017, though the extent of exceptional deficits will diminish somewhat. Both surpluses and deficits are forecast for the Ural River watershed in northwestern Kazakhstan, and surpluses are forecast for central and eastern Kazakhstan. Overall, moderate deficits are forecast for Turkmenistan and Uzbekistan, and surpluses in Kyrgyzstan.