Regions forecast to have significant water deficits for the 12-month period from March 2019 through February 2020 include: Suriname, French Guiana, Finland, Estonia, Latvia, Egypt, Somalia, Angola, and Namibia. Areas with a forecast of significant water surplus include: United States, Paraguay, Syria, northern Iraq, western Iran, Afghanistan, Tanzania, and southeastern China. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 10 June 2019
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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.
The forecast through February indicates intense water surpluses on the Ob, Vakh, Pur, and Taz Rivers in Russia. Surpluses will be widespread in the Middle Ob region and the Yenisei River watershed. Severe to extreme deficits are forecast for western Kazakhstan, reaching across the northern border into the Ural River watershed in Russia. Surpluses are expected in northern Kazakhstan, eastern Kyrgyzstan, western Tajikistan, and along the Zerafshon River in Ubekistan. Deficits are forecast for eastern Tajikistan and central Kyrgyzstan.
The forecast through January indicates intense water surpluses for Russia’s Ob River, Yenisei River watershed, the Nizhnyaya Tunguska River region, and along the Vakh, Pur, and Taz Rivers. Surpluses in the Northern European Plain will intensify, becoming exceptional, and intense surpluses will re-emerge in the Volga Uplands. Deficits will intensify in the Ural River watershed of Russia and Kazakhstan. In Turkmenistan, severe deficits will persist along the Harirud River in Turkmenistan.
The forecast through December indicates that prior exceptional water deficits in Turkmenistan, Uzbekistan, western Kazakhstan, and the North Caucasus region will downgrade considerably, leaving primarily mild conditions. In Russia, surpluses will increase between the Ob and Yenisei Rivers and will be extreme to exceptional. Moderate deficits are forecast in the southern Ural Mountains, with surpluses to the west. Surpluses will re-emerge in the Upper Don River watershed.
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.
Through July, water surpluses will shrink in European Russia. The Lower Ob will transition from surplus to mild deficit, moderate to exceptional deficits will develop in the Middle Ob region, and surpluses in the Upper Ob region will downgrade. Surpluses will downgrade in the Tom River Basin, upgrade on the Ishim River, and persist on the Irtysh. Intense surpluses are forecast for northern Kazakhstan. Deficits are forecast for Turkmenistan, eastern Uzbekistan, southern Kyrgyzstan, and Tajikistan, and may be severe along the Amu Darya and Zaravshan Rivers.
Water surpluses will retreat in Central Europe and the Balkans as deficits emerge. Deficits are also forecast for Northern Europe with exceptional deficits in Finland, Estonia, and Latvia. Intense surpluses are forecast for Hungary and for eastern Ukraine into Russia, with both deficits and surpluses in European Russia. Surpluses will persist on the Iberian Peninsula but retreat in France, with deficits emerging in Auvergne. Moderate surpluses will persist in Ireland, England, and Normandy.
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.
Exceptional water surplus in European Russia will shrink and downgrade, though widespread surpluses will continue to emerge and will remain intense from St. Petersburg to the Rybinsk Reservoir and in Murmansk. Exceptional surpluses will emerge in the Vakh River Basin stretching east across the Yenisei River between the Angara and Podkamennaya Tunguska Rivers. Deficits near Yekaterinburg will upgrade, deficits around Yamal will downgrade, and deficits in Turkmenistan and Uzbekistan will moderate. Kazakhstan will transition from surplus to deficit. After April, much of the region will transition to deficits of varying severity.