There was no gold medal, no podium ceremony, and definitely no tears from the losers on 30 July, but there was a new national champion. On that date, NOAA proclaimed that a South Dakota hailstone had surpassed all contenders in both size and weight.

A new computer simulation of a deadly, fast-spreading 2006 wildfire in California shows how far researchers have come in their quest to better understand fire dynamics.

A team of NCAR scientists is studying how advanced satellite technology that measures lightning could help protect aircraft from turbulence caused by severe weather.

Can a distant hurricane play havoc with your GPS unit? Scientists aren’t sure of the answer, but they suspect that hurricanes affect more than land and water.

On December 20, 2008, a Boeing 737 with Continental Airlines encountered a crosswind gust during takeoff at Denver International Airport, causing it to veer off the runway. Simulations done at NCAR indicate that a mountain lee wave amplified over DIA within minutes of the accident.