Latest Walt Petersen Stories
Scientists from NASA and other organizations are on a mission to unlock the mysteries of why certain clouds produce copious amounts of rain.
NASA atmospheric scientists got an unexpected chance to study a curious phenomenon called "thundersnow" when a recent storm unleashed it right over their heads.
A city that rarely sees snowfall, Huntsville, Ala, was blanketed the evening of Jan 9 under several inches of snow following a winter storm that also produced a rare "thundersnow" or lightning flashes.
Rain drops are fat and snowflakes are fluffy, but why does it matter in terms of predicting severe storms?
The National Weather Service there shares a building â€“ the National Space Science and Technology Center â€“ with NASA's Short-term Prediction Research and Transition, or SPoRT, Center. SPoRT puts state-of-the-art NASA satellite data directly into forecasters hands, arming them to recognize weather that threatens your safety.
NASA recently funded a suite of 59 research proposals under the agency's ongoing Precipitation Measurement Mission. The studies will look at ways to improve measurements of rain and snow from Earth orbit.
It may seem hard to believe that a powerful bolt of lightning, which heats the air in its path three times hotter than the surface of the sun, could spring from little pieces of ice. But that's how it is, according to theory.
- The act of lurking; skulking about; hiding; keeping from sight.