In the near-term through May, water surplus in Central and Eastern Europe and European Russia is expected to shrink and downgrade, though remain widespread. In France and the UK, however, surpluses will increase in extent. Exceptional deficits will continue to emerge in Finland, Estonia, Latvia, and a pocket in central Sweden. A band of deficit conditions will persist across southern Italy, but deficits on the Iberian Peninsula will shrink and downgrade – with some surplus conditions emerging. After May, the forecast indicates a transition away from surplus to mild deficit in many areas.
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The forecast through March indicates exceptional surpluses in European Russia, along the Middle Ob River, the Tom River Basin, and Aktobe Region, Kazakhstan. Surpluses are also forecast for much of the Yenisei River. Exceptional deficits are expected in the Yamal Peninsula. Intense deficits are forecast for Turkmenistan and Uzbekistan. After March, surpluses in Russia are forecast to diminish. Deficits will downgrade in Yamal, persist in Turkmenistan, and spread in Uzbekistan and Kazakhstan. Moderate deficits will emerge in the Caucasus, western Kyrgyzstan and western Tajikistan.
The forecast indicates a transition in April to water deficits across much of Europe, but until then widespread surpluses will persist in Northern, Central, Eastern Europe, and European Russia and are expected to be exceptional in Russia, northern Poland, northwestern Ireland, and along the Dnieper River in Ukraine. Deficits will continue to emerge in Southern Europe, particularly the Iberian Peninsula, but will retreat significantly in France, persisting only along the southern coast. Intense deficits will emerge in Crimea, and will persist in northern Finland and northern Norway.
Regions forecast to have significant water deficits for the 12-month period from October 2017 through September 2018 include: Missouri (US), Brazil, Spain, Portugal, Morocco, Turkmenistan, Inner Mongolia (China), and South Australia and Tasmania (Australia). Areas with a forecast of significant water surplus include: Ireland, Poland, and Bangladesh. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 10 January 2018.
Exceptional water deficits are expected to diminish considerably, but deficits of varying severity remain in the forecast for Finland, England, Belgium, France, Portugal, Spain, and across the Mediterranean through the Balkans. Exceptional surpluses will continue to emerge in western Russia and Poland, and surpluses are also forecast Romania, Moldova, Lithuania, Belarus, Germany, Czech Republic (Czechia), Austria, northern United Kingdom, Ireland, and southern Norway. From February through April surpluses will begin to moderate somewhat and the extent of deficits will shrink.
In the near-term, Europe is forecast to experience generally moderate water deficits with more exceptional conditions affecting the Baltic States, Finland and southern Sweden. On the mainland the Benelux States as well as portions of Austria and Italy may experience more intense conditions. These are forecast to moderate steady through the mid-forecast period shifting to moderate surpluses across most of northern Europe in the December through February 2018 time frame. A pocket of exceptional surpluses in eastern Romania persists throughout the forecast, moderating slightly in early 2018.
Notable water deficits are forecast to persist through February in eastern Norway and in Sweden; and through May in Finland and in Russia east of the White Sea. Eastern Europe will continue a transition to water surplus which will persist through May. A wide area of water surplus is forecast to emerge March through May in Russia from the Gulf of Finland south to Ukraine.
Exceptional water deficits are forecast to persist through January in Western Europe, Sweden, and Finland, while Eastern Europe transitions to conditions of water surplus which will persist through April. Deficits in Western Europe will persist through April or longer and deficits will continue to emerge in Mediterranean Europe.