National Oceanic and
Atmospheric Administration
United States Department of Commerce
Australia drought by Gerald Simmons
Trinity_River_Dallas_Flooded_June_2015_by_Wissembourg
Blanco Texas flooding Jun 3 2015 Urban_Search_and_Rescue_team,_Texas_Task_Force_2_and_members_of_the_Texas_State_Guard by Jocelyn Augustino from FEMA
Australia Night Fire by Sascha Grant

What's New

October 03, 2018
Photo of Saildrone, an autonomous sailing drone

The Saildrone is an autonomous sailing drone currently being explored as a tool to provide high quality oceanic and atmospheric observations (Photo Credit: Saildrone, Inc.).

October 03, 2018

This week, four saildrones departed from Hawaii on the second mission to the equator in an effort to improve the Tropical Pacific Observing System (TPOS).  NOAA forecasts a 50-55% chance of a weak El Niño developing during September - November 2018, increasing to 65-70% chance during winter 2018-19. The second saildrone mission will thus capture ocean and atmospheric data during this developing El Niño, including changes in ocean temperature, winds, currents and ocean carbon dioxide concentrations.

During the first mission in late 2017-early 2018, La Niña conditions were present. Strong currents and low winds on the equator made navigation challenging. This year, two of the four saildrones have been outfitted with larger, more... more

In the News

November 09, 2018

Odds are increasing that an El Nino will form, the National Oceanic and Atmospheric Administration reported Thursday, bolstering earlier forecasts that winter will be mild... more

October 26, 2018

Portland experienced record-breaking heat this summer, and it looks like winter could be unusually warm as well. A new winter weather forecast from the ... more

October 22, 2018

If the long-range forecast from the National Weather Service is right, we have a mild winter ahead of us. The primary driver for the winter outlook is the emergence of El... more