The temperature rise has not been, and will not be, uniform or smooth across the country or over time.
The length of the frost-free season (and the corresponding growing season) has been increasing nationally since the 1980s.
Droughts in the Southwest and periods of abnormally hot weather lasting for weeks everywhere will become more intense.
The frequency of the strongest (Category 4 and 5) hurricanes, have all increased since the early 1980s.
It is projected to rise another 1 to 8 feet by 2100. This is the result of added water from melting land ice.
The Arctic Ocean is expected to become essentially ice free in summer before mid-century.