Compared to the large ozone hole that forms over Antarctica each year, Arctic ozone loss has generally been much more limited. But in 2011, Arctic ozone declined to surprisingly low levels. What did climate have to do with it?
Old Ice Becoming Rare in Arctic
October 4, 2011
Following a brief interlude of “neutral” sea surface temperature conditions this summer, La Niña has returned to the tropical Pacific Ocean. The cool phase of the El Niño-Southern Oscillation climate pattern is expected to persist through winter.
An intense drought has gripped the southern tier of the United States for several months, accompanied by destructive wildfires, low water supplies, and failed crops.
In summer 2011, the South was in the grip of one of the worst droughts on record, and the fall drought outlook issued by NOAA’s Climate Prediction Center provided little hope of relief, especially for the Southwest and Texas.
Climate Shocks and Food Security in Horn of Africa
September 1, 2011
In summer 2011, the South was in the grip of one of the worst droughts on record. Many parts of New Mexico and western Texas have received a small fraction of their normal rainfall over the past 10 months.
Predicting Drought in East Africa
August 29, 2011