NASA sees heavy rains and hot towers in Hurricane Manuel

NASA's TRMM satellite passed over Manuel on Sept. 19 at 0116 UTC and measured its rainfall as it was strengthening into a hurricane. TRMM noticed heavy rainfall and some hot towering thunderstorms, which were indications ...

NASA sees quick forming Tropical Storm Fernand soaking Mexico

During the week of Aug. 18, the low pressure area designated as System 95E was lingering in the western Caribbean Sea and moved into the southwestern Gulf of Mexico, where it exploded into Tropical Storm Fernand late on Aug. ...

Low-frequency radio emissions from high-altitude sprite discharge

When lightning strikes from a towering cumulonimbus cloud down to the ground, the electrical discharge can perturb the atmosphere's electric field, potentially triggering a second event-sprite discharge. This more elusive ...

NASA sees 'hot towers' in intensifying Typhoon Bopha

Bopha intensified into a typhoon today, Nov. 30, as it continues to affect the islands in Micronesia in the western North Pacific Ocean. NASA's TRMM satellite captured rainfall data of Bopha and noticed "Hot Tower" thunderstorms ...

NASA examines very dangerous Super Typhoon Sanba

NASA's TRMM satellite examined super soaking Super Typhoon Sanba and powerful hot towering thunderstorms around its center and rain falling at a rate as high as three inches per hour.