Over the next few months, significant water deficits will emerge in southern Mexico including Michoacán, Guerrero, Puebla, Veracruz, Oaxaca, Tabasco, and Chiapas. Exceptional deficits will also reach into Central America, emerging in Guatemala, El Salvador, and western Honduras. Deficits will downgrade somewhat in western Cuba but intensify in Haiti and the Dominican Republic, and Jamaica will transition from surplus to deficit.
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Regions forecast to have significant water deficits for the 12-month period from April 2018 through March 2019 include: southern Mexico, northern Brazil, North Africa, Europe, and Afghanistan. Areas with a forecast of significant water surplus include: Montana and Idaho (US), Tanzania, Kenya, Uganda and Bangladesh. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 10 July 2018.
In the next few months water deficits in Baja will downgrade somewhat. Moderate deficits are forecast for Chihuahua, Coahuila, Tamaulipas, central Mexico, and along the Gulf from Veracruz into Yucatan. Surpluses in Central America will shrink considerably. Intense surpluses are forecast for Jamaica; deficits are forecast for Haiti and Dominican Republic. After July, intense deficits will emerge in southern Mexico and northern Central America.
Intense water deficits across northwestern Mexico are expected to moderate from January through March, but moderate to severe deficits will spread in the north-central states. Intense deficits will emerge in Nayarit, Jalisco, Colima, and Michoacán. Deficits in western Cuba will moderate. Significant surpluses are expected to persist in Honduras, Nicaragua, northern Costa Rica, and Jamaica. After March, deficits are forecast in northern Mexico, moderate surpluses along the southwestern coast, and surpluses in Central America will diminish.
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 in Cuba are forecast to retreat through December, and moderate to severe deficits are forecast for Tamaulipas, Mexico, and other pockets across the north. The extent of exceptional surpluses in Central America is expected to shrink, but surpluses remain in the forecast and may be especially intense in Honduras. After December moderate deficits will continue to emerge in northern Mexico with more severe deficits in Tamaulipas. Surpluses will persist in Central America but will begin to transition to deficits in El Salvador.
Water deficits are forecast to continue in much of Mexico, increasing in extent and severity through February 2018. For the next few months exceptional deficits are forecast in Nayarit, along with deficits of varying severity in other states including Hidalgo, Michoacán, Sinaloa, and Tamaulipas. Surpluses in Central America are expected diminish but will remain in the forecast through November in Honduras, Nicaragua, Costa Rica, and Panama.
Intense water deficits in Mexico and western Cuba are forecast to retreat after July. However, severe to exceptional deficits remain in the forecast for northern Baja, in Nayarit, and peppered along the Gulf of Mexico from Tamaulipas through Tabasco. Surpluses are forecast for the border of Guatemala and Honduras, and in Nicaragua, Costa Rica, Panama, and western Jamaica. After October deficits will continue to emerge in southern Mexico; surpluses in Central America are forecast to diminish to near-normal conditions.
Mexico, Central America & the Caribbean: Exceptional deficits forecast in Mexico for Nayarit, Michoacán, and Puebla
Exceptional water deficits are forecast in Mexico from March through May in Nayarit, Michoacán, and southern Puebla into northern Oaxaca. Deficits are also forecast for the Yucatán Peninsula, the Baja Peninsula, northern Mexico, and Guatemala. Surpluses are forecast for eastern Honduras, Nicaragua, and northern Costa Rica. After May the extent and severity of deficits in Mexico will decrease but moderate deficits are forecast to persist in the south and emerge in Central America.
Regions likely to have significant water deficits for the 12-month period from December 2016 through November 2017 include: Arkansas, Quebec, Brazil, Finland, Denmark, Libya, Niger, Gabon, Madagascar, Saudi Arabia, Yemen, northern Russia, Inner Mongolia, Thailand, western Cambodia, Papua New Guinea, and eastern Australia. Water surpluses are forecast for: Idaho, Central California, southwestern Zambia, the Okavango Delta in Botswana, northeastern Afghanistan, and between the Irtysh and Yenisei Rivers in Russia. This Watch List is based on ISciences Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 8 March 2017.