Attention: Climate.gov will undergo scheduled maintenance on Saturday, Aug 1 (5:30am ET to approximately 7:00pm ET)
We apologize for the inconvenience.

For much of Alaska, lack of snow, soaking rains, and record-warmth have made October feel more like September.

Much colder-than-average temperature during March and a strongly negative Arctic Oscillation Index reminded people in the United States how important this index is to our own climate conditions.

As the whole ocean gets warmer, NOAA scientists must redefine what they consider “average” temperature in the central tropical Pacific, where they keep watch for El Niño and La Niña.

Deke Arndt, Chief of the Climate Monitoring Branch, at the National Climatic Data Center talks about the influence of La Niña on the 2011 global average temperature. 

 

In a place routinely afflicted by drought, water managers in Tampa Bay use climate forecasts to ensure a water supply to people’s taps without sucking the region’s rivers, wetlands, and groundwater dry. The limits of their innovation might be tested in a future which could pose even more challenges to ensuring the oasis remains green.

 

A series of unusually strong, long-lasting high pressure systems has parked over Greenland this summer. As many a weather forecaster has explained, high pressure generally leads to calm winds and sunny skies, both of which boost temperatures during the all-day sunshine of mid-summer at high latitudes. The conditions contributed to widespread melting of the ice sheet.

Check the fine print on many cans of hairspray or shaving cream these days, and you’ll prob

NOAA's 2012 hurricane outlook favors a slightly below average number and strength of storms in the central Pacific basin and a near-average season in both the Eastern Pacific and Atlantic basins.

In late-April 2011, an unusual, post-winter Nor’easter brought much-needed rain the Northeast United States.

Pages