Regions forecast to have significant water deficits for the 12-month period from April 2019 through March 2020 include: Suriname, French Guiana, Finland, Estonia, Latvia, Egypt, Cameroon, and New Caledonia. Areas with a forecast of significant water surplus include: the central United States, Paraguay, Syria, northern Iraq, southern Turkmenistan, Afghanistan, Tanzania, and southeastern China. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 9 July 2019
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The forecast through August 2019 indicates that water deficits will remain intense in Northern Europe, especially in Finland, Estonia, and Latvia. Other areas of intense deficit include Luxembourg, northern Germany, central France and the Loire River, and along the Drava River through Austria. Areas of surplus include Scotland, central Italy and around the Adriatic Sea, Serbia, and northern Romania.
The forecast through May indicates an increase in the extent of water deficits overall. Though surpluses are forecast for Austria, Switzerland, Norway, and northwestern Sweden, much of the rest of Europe can expect deficit conditions. Exceptional deficits will persist in Finland, southern Sweden, Estonia, Latvia, eastern Slovenia, and Croatia. Severe deficits will be widespread in Portugal, Spain, France, and Hungary. Pockets of intense deficit are forecast for many other regions.
The forecast through April indicates persistent, intense water deficits in Finland, southern Sweden, Estonia and Latvia. Other areas with pockets of fairly intense deficit include northern Germany, Luxembourg, Belgium, Netherlands, Denmark, and eastern Slovenia and Croatia. Moderate to severe deficits are expected in Belarus and across the border into European Russia past the Volga River. Regions with surpluses include Switzerland, Austria, the Balkans, Romania, eastern Ukraine, and Crimea.
Water deficits will shrink considerably in Central and Eastern Europe through March, but intense deficits are forecast for Finland, Sweden, Slovenia, Croatia, and Macedonia. Severe deficits will emerge on the Iberian Peninsula and deficits of varying intensity are forecast for Estonia, Latvia, northern Belarus, Italy, pockets of the Balkans, and central European Russia. Areas of surplus include northern European Russia, southern Sweden, pockets of the UK, Switzerland, Austria, Czech Republic, Romania, and scattered pockets of Central and Eastern Europe.
The forecast through October indicates that exceptional water deficits will diminish considerably but widespread deficits will continue to affect many parts of Central, Eastern, and Northern Europe and will be especially intense in Finland, Estonia, and southern Germany. Moderate deficits will increase in France. Surpluses are forecast for Hungary, Serbia, Kosovo, Romania, Bulgaria, and Moldova. On the Iberian Peninsula, surpluses will diminish overall, but persist in many parts of Spain and may be exceptional in the south.
The forecast through September indicates that widespread water deficits in Central, Eastern, and Northern Europe will downgrade from exceptional levels in most affected regions but remain intense, especially in Central Europe and Finland. Deficits are expected to be extreme on many rivers including the Oder, Elbe, Danube, and Rhine. Surpluses are forecast for the Iberian Peninsula, parts of Eastern Europe and the Balkans, and European Russia.
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.
Exceptional water deficits are expected to nearly disappear from October on, but pockets will remain through December in central Finland and the Norwegian Sea coast. Moderate to severe deficits are forecast for the remainder of Finland and moderate deficits for much of Southern Europe. A vast expanse of surpluses is forecast in European Russia, and surpluses are also predicted in Poland, Slovenia, Croatia, UK, and southern Norway. From January through March surpluses are forecast to increase across Northern Europe, particularly in European Russia, while deficits persist across Southern Europe.
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.