The annual assessment focuses on changes to sea ice, snow cover, temperature, and other indicators. Scientists say that changes in the Arctic also affect climate globally.
temperature
Posted inResearch Spotlights
Sea Surface Temperatures on the Rise in the Caribbean
A 30-year climate analysis reveals an increase in sea surface temperatures in the Caribbean, the Gulf of Mexico, and the surrounding region.
Posted inResearch Spotlights
Sea Level Rise Due to Warming, Weakening of Greenland Glaciers
Increasing ice temperatures and decreasing ice viscosities could lead to "thermal-viscous collapse" of the Greenland ice sheet, raising sea levels as much as 51 centimeters over the next 500 years.
Posted inResearch Spotlights
A Cooler Climate Would Trigger More Tropical Cyclones
New model reveals tropical cyclones could form at lower sea surface temperatures than previously thought.
Posted inResearch Spotlights
Cool Downdrafts in Large Thunderstorms Captured by Satellite
Orbiting scatterometers can reveal patterns of cool air in mesoscale convective systems.
Posted inResearch Spotlights
Urbanization Threatens Drought-Reducing Clouds in California
Since the mid-20th century, increased urbanization along the southern California coast has raised nighttime temperatures, resulting in less morning fog and cloud cover.
Posted inNews
Global Warming "Hiatus" Never Happened, Study Says
After digging into existing measurements of Earth surface temperatures, a team of scientists finds there was no "hiatus" in temperature rise, which was thought to have started in 1998.
Posted inScience Updates
Communicating Uncertainties in Sea Surface Temperature
Sea Surface Temperature User Workshop on Uncertainties; Exeter, UK, 18–20 November 2014
Posted inNews
Tracking the Missing Heat from the Global Warming Hiatus
Despite indications that the Pacific Ocean is helping to take up the world's missing surface heat, the heat doesn't linger; oceanographers now find that heat has moved over to the Indian Ocean.
Posted inResearch Spotlights
Conquering Uncertainties in Tropical Climate Forecasts
The key to better predictions of atmospheric temperature trends in the tropics may lie in more accurate measurements of sea surface temperatures.