August 3, 2011 The direct warming influence of all long-lived greenhouse gases in the atmosphere today attributable to human activities. CO2’s warming influence of 1.7 watts/m2 is equivalent to the heat from nearly 9 trillion 100-watt incandescent ...

'A Second Glance' is valuable tool for regional managers and the public August 8, 2011 The Gulf of Mexico at a Glance: A Second Glance features economic and ecological highlights about the Gulf of Mexico's ecosystem, economy, and coastal communities....

July 21, 2011 Light from a lidar instrument forms a beam in the sky over Boulder, Colo.. NOAA researchers and colleagues used lidar data to better understand recent changes in the amounts of tiny particles high in Earth's atmosphere. Download here. (...

New study examines how El Niño in cold months affected water levels over past 50 years July 15, 2011 A new NOAA study found coastal areas along the East Coast could be more vulnerable to storm surges and sea level rise in future El Nino years. Hig...

Excluder devices save turtles when used properly July 14, 2011 With additional areas in the Gulf opening to shrimping on Friday, NOAA is continuing to help fishermen comply with Turtle Excluder Device (TED) regulations designed to prevent  turtles f...

July 14, 2011 Global surface temperature Anomalies - June 2011.High Resolution (Credit: NOAA) The globe experienced the seventh warmest June since record keeping began in 1880. The Arctic sea ice extent was the second smallest extent for June on rec...

July 8, 2011 June 2011 brought temperature and precipitation extremes across the United States. An oppressive heat wave, accompanied by intensifying drought conditions, shattered temperature records in the South and Southwest. Overall, the nation had...

The Mississippi River continues to rise to heights never seen before along its course through the states of Mississippi and Louisiana. At Natchez, Mississippi, the river has already hit 59 feet, breaking the previous all-time record of 58 feet set in t...

"April was a month of historic climate extremes across much of the United States, including: record breaking precipitation that resulted in historic flooding; recurrent violent weather systems that broke records for tornado and severe weather outbreaks...

Bob Henson | 28 April 2011 • The devastating rash of tornadoes that swept through the southeast United States on 27 April has already carved its way into the annals of twister history. A total of more than 160 tornadoes was reported in the prelimina...

The nation's unprecedented April tornado-fest continued full force last night, with NOAA's Storm Prediction Center logging 57 tornado reports, 295 cases of damaging thunderstorm winds, and 254 reports of large hail. The 2-day tornado count from this la...

High Tornado Risk Vs. Population Maps Apr 26, 2011; 10:59 AM ET NOAA's Storm Prediction Center has issued a High Risk for severe thunderstorms Tuesday, including tornadoes today. Their new population map product (which is a great addition because it h...

Radar Shots: Squall Line Leaves 800 Storm Reports Apr 20, 2011; 12:05 PM ET A healthy (to say the least) line of thunderstorms moved east across the Midwest last night, dropping over 800 reports of severe weather behind it. Here are a few radar and s...

Why You Don't Stay in Your Car During a Tornado Apr 19, 2011; 11:44 AM ET Folks, this is why you don't want to stay in your car during a tornado. Note the signpost protruding from the back and the engine sticking out over the hood in the front. And th...

Dozens of tornadoes and dangerous severe thunderstorms tore through the Southeast U.S. on Friday, bringing a second day of severe weather havoc to the nation. The death toll from the two-day severe blitz now stands at seventeen, with up to 100 people i...

Greensburg Tornado Damage Photos Apr 8, 2011; 8:42 PM ET On March 23, a rare early-season EF-2 tornado touched down east of PIttsburgh, Pennsylvania (I posted some impressive radar images of the storm). It was the first tornado to hit Westmoreland Cou...

The year 2010 was one of the strangest on record globally for tropical cyclones. Each year, the globe has about 92 tropical cyclones--called hurricanes in the Atlantic and Eastern Pacific, typhoons in the Western Pacific, and tropical cyclones in the S...

If you're sitting on a bench in New York City's Central Park in winter, you're probably freezing.After all, the average temperature in January is 32 degrees Fahrenheit.But if you were just across the pond in Porto, Portugal, which shares New York's la...

The names Tomas and Igor will no longer be used to name hurricanes in the Atlantic, the World Meteorological Organization (WMO) announced this March. Hurricane Igor made landfall near Cape Race, Newfoundland on September 21, 2010, and was that island's...

Radioactive plumes emitted from Japan's troubled Fukushima nuclear power plant are headed to the southwest towards Tokyo today, carried by onshore northeasterly winds. An elongated area of low pressure is located off the southeast coast of Japan, and t...

Reuters - Almost half the United States -- the North Central region, the Midwest and the Northeast -- faces a high risk of spring flooding over the next two weeks, government forecasters said on Thursday.