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Thoughts on everything from climate modeling to energy policy.

Ferocious Storm Set to Explode in North Atlantic

Ferocious Storm Set to Explode in North Atlantic

What is currently a relatively innocuous weather system spreading light snow, freezing rain, and rain across the eastern U.S. is forecast to explode, through a process known to meteorologists as “bombogenesis,” into a ferocious storm once it emerges over the North Atlantic. Computer models indicate that the storm may intensify so significantly that… Read More

Monster Storm Lashing Outer Reaches of Alaska

Monster Storm Lashing Outer Reaches of Alaska

At its most intense point, the storm had an air pressure reading of about 936 mb or slightly lower, roughly equivalent to a Category 4 hurricane, and similar to the intensity of Hurricane Sandy as that storm moved toward the New Jersey coastline in October. (In general, the lower the air pressure, the stronger the storm.)… Read More

Heat and Threat of Wildfires Blaze on in Australia

Heat and Threat of Wildfires Blaze on in Australia

a delayed monsoon is helping to heat Australia to record levels, with weather forecasters adding new colors onto weather maps to indicate temperatures up to 129°F. While the wildfires have diminished some, the heat is forecast to return to Queensland and other areas during the weekend into early next week, and the fire danger remains "extreme" in s… Read More

5 Charts Help Illustrate 2012 As Warmest Year on Record

5 Charts Help Illustrate 2012 As Warmest Year on Record

The 1°F margin between 2012 and 1998 may not seem like much at first, but usually such temperature records are set by just a few fractions of a degree. As seen in this NOAA chart, 2012 towers above the pack of warm years.… Read More

Tell Me Why: We Need ‘Normals’ and Long-term Trends

Tell Me Why: We Need ‘Normals’ and Long-term Trends

What is “normal” when it comes to temperature and precipitation? The definition not only varies with location and time, but it changes from decade to decade. And it’s those decadal trends that interest climate scientists like Anthony Arguez. He explains the importance of “normals” in this version of Tell Me Why.… Read More

Tell Me Why: Climate Science Is So Important

Tell Me Why: Climate Science Is So Important

What’s seen from the sky can tell us a lot about what’s happening on Earth. Scientists rely on data gleaned from satellites for information on how our climate already has changed, and for clues on how it might change in the future. Scientist Jeff Privette tells us more in Tell Me Why.… Read More

Tell Me Why: Questions Swirl Around Climate & Tornadoes

Tell Me Why: Questions Swirl Around Climate & Tornadoes

Does a warming world affect the formation of tornadoes? The answer is one that scientists and researchers are trying to find. In this edition of Tell Me Why, climate scientist Deke Arndt explains why questions continue to swirl around any kind of connection between climate change and tornadoes.… Read More

Tell Me Why: The Climate Extremes Index Matters

Tell Me Why: The Climate Extremes Index Matters

The Climate Extremes Index, or CEI, tracks the highest and lowest 10 percent of extremes in a number of categories. As climate scientist Deke Arndt explains in this edition of Tell Me Why, the CEI contains critical information on how are climate is changing and what climate trends we may see.… Read More