Observing & Predicting
- March 25, 2015
Uncommon atmospheric circumstances spawned a pair of tropical cyclones in the western Pacific—one on either side the equator, at nearly the same longitude, at nearly the same time. Why are twin cyclones more common during El Niño?
- March 20, 2015
Arctic sea ice extent reached 5.61 million square miles on February 25, and then began to retreat. Unless a late growth spurt takes place, it will be the smallest winter maximum in the satellite record.
- March 18, 2015
The extreme atmospheric pressure pattern that favored record-breaking snow totals across parts of the U.S. East left Alaskans asking, “Where’s winter?”
- March 13, 2015
Moderate flooding in the coastal Northeast and temperatures in the upper third of the historical record for the West are key predictions from NOAA's 2015 Spring Climate Outlook.
- March 11, 2015
The United States has plenty of warming wiggle room before it gets too warm to snow, and a wetter atmosphere may boost snow totals for some storms.
- March 10, 2015
A map of snow depth across Alaska on March 9 shows the reason for the re-route of the historic sled dog race.
- March 6, 2015
Government officials have already announced a potential water rationing program as well as expected blackouts to conserve electricity in case rains do not pick up. If they don’t, Brazil is almost certainly facing its driest back-to-back rainy seasons in at least 35 years.
- March 5, 2015
This pair of maps shows whether your state tends to have wet, dry, or average springs during El Niño, and how often the wet or dry pattern occurred during the last 10 El Niño years.
- March 3, 2015
After a surprisingly rough summer for coral reefs in 2014, NOAA scientists are warning that warm ocean temperatures in the tropical Pacific and Indian Oceans could set the stage for a global outbreak of coral bleaching—the loss of corals’ food-producing algae—in 2015.