NASA examines System 99L over Hispaniola in infrared light

When NASA's Aqua satellite passed over the tropical low pressure area known as System 99L it was located over Hispaniola. The AIRS instrument aboard Aqua analyzed the low pressure area in infrared light.

Upside-down lightning strikes

Upward lightning strikes initiate on the ground and head skyward. These discharges, which usually begin at the top of tall and slender structures, pose a real risk for wind turbines. An EPFL study analyzes the mechanisms ...

NASA sees Tropical Storm Trami U-turning

Tropical Storm Trami appears to be a very large storm in infrared data from NASA's Aqua satellite. In a NASA image, Trami appears to be about two-thirds the size of the Philippines. Satellite data also indicates that the ...

NASA sees Tropical Cyclone Narelle intensifying

Infrared and near-infrared NASA satellite imagery provided signs to forecasters that Tropical Cyclone Narelle is intensifying as it moves southwest paralleling Western Australia coastline. Warnings have been posted as Narelle ...

Major map of lightning strikes produced

A comprehensive map of lightning strikes on the UK and Ireland over the last 12 years has been produced by experts at the University of Portsmouth to help weather forecasters, local councils and members of the public to better ...

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