Higher temperatures in the Northeast are likely to increase heat-related deaths and decrease air quality, especially in urban areas. Source: USGCRP (2014) Impacts on Human Health This figure shows the average number of days with a maximum temperature of at least 90☏ historically (1971-2000) and under two potential future scenarios (one with reduced greenhouse gas emissions, and one with increases in emissions ). The annual number of days above 90☏ is projected to increase, especially for southern portions of the Northeast region. However, the timing of winter and spring precipitation could lead to drought conditions in summer as warmer temperatures increase evaporation and accelerate snow melt. Projections indicate continuing increases in precipitation, especially in winter and spring and in northern parts of the region. Between 19, the Northeast saw more than a 70% increase in the amount of rainfall measured during heavy precipitation events, more than in any other region in the United States. The total amount of precipitation and the frequency of heavy precipitation events has also risen in the region. The frequency, intensity, and length of heat waves is also expected to increase. Between 18, temperatures rose by almost 2☏ and projections indicate warming of 4.5☏ to 10☏ by the 2080s. The Northeastern climate is experiencing noticeable changes that are expected to increase in the future. Climate varies widely across the region and tends to be coldest in the north, at high elevations, and away from the coast. The Northeast is home to historic cities and large rural areas that serve as important natural habitats and agricultural lands. New York City Panel on Climate Change Exit.USGCRP, Global Climate Change Impacts in the United States: Northeast.
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