Typhoon flogs Philippines

Typhoon flogs Philippines
As scientists try to understand the biggest storms in a warming earth, we try to make sense of what’s known, and what’s not. Does adding energy to the Earth system cause more titanic storms – or does it blow them apart before the real destruction begins? More »

Hurricanes

Hurricanes

Synopsis: Hurricanes, the most powerful and dangerous storms of all, get their energy from the difference in temperature between a warm ocean and a cooler atmosphere. A century ago, hurricanes blew in with almost no warning; now they are tracked… More »

Horrific Hurricanes

Horrific Hurricanes

How do hurricanes form? How do we predict their paths? How can we improve predictions? More »

A climate of extremes?

A climate of extremes?

Are extreme heat, wicked cyclones and record rainfalls signs of climate change, or just more changes in the weather? Will warming eliminate record cold days? Will hurricanes get bigger? More »

How accurate are weather forecasts?

How accurate are weather forecasts?

How accurate are weather forecasts? Image: NOAA In general, weather forecasts are getting better, due to improvements in computer models, observations and our understanding of atmospheric. Accuracy depends on the purpose of the forecast and how far out it extends.… More »

What are hurricanes?

What are hurricanes?

Hurricanes are a type of “cyclone,” a word that has several uses in describing weather. In some parts of the Midwest, it means tornado; around the Indian Ocean, cyclone means hurricane. In meteorology, cyclone refers to any organized Northern Hemispheric wind system that rotates in a counterclockwise direction. More »

After Katrina: Where Should We Rebuild?

It’s a fact of life: Hurricanes and floods happen. So why are people rebuilding in the path of storms and floods? Is there a smarter way to plan development? More »

Katrina’s Whirlwind: Could Marshes Slow the Floods?

As New Orleans sinks and the seas rise, hurricanes are getting worse. Does it make sense to start restoring marshes and barrier islands that dampen the hurricanes? Could wetlands moderate the next Katrina? More »

Salvage Logging: Helpful or Harmful?

Salvage logging of forests after natural disturbances is a bad idea, ecologists warn. Evidence from a forest whacked by a 1938 hurricane show how salvage logging changes the landscape. More »