Alberto now a tropical depression

Infrared satellite imagery from NASA's Aqua satellite revealed Alberto weakened from a tropical storm to a tropical depression as it appears more disorganized. At 10:30 a.m. EDT on May 21, Tropical Storm Alberto weakened ...

NASA sees more severe weather over eastern Texas, Oklahoma

A low pressure area is centered over eastern Oklahoma, and its associated cold front drapes south into eastern Texas. The front is stalled over eastern Texas and eastern Oklahoma and is generating severe weather today.

THEMIS Mars camera celebrates a decade's discoveries

Ten years ago, on Feb. 19, 2002, the Thermal Emission Imaging System (THEMIS), a multi-band camera on NASA's Mars Odyssey orbiter, began scientific operations at the Red Planet. Since then the camera has circled Mars nearly ...

NASA satellite sees tropical cyclone Irina headed for Mozambique

Visible and Infrared satellite imagery together provide a clearer picture of what a tropical cyclone is doing. NASA's Aqua satellite passed over newly strengthened Cyclone Irene and captured both types of images, which showed ...

NASA sees Cyclone Giovanna enter the Mozambique Channel

Cyclone Giovanna crossed over the island of Madagascar leaving flooding and damages in its wake and has now entered the Mozambique Channel. NASA's Aqua satellite captured an image that showed a ragged eye still exists, and ...

NASA sees deadly Cyclone Giovanna over the center of Madagascar

Cyclone Giovanna made landfall in eastern Madagascar very early on February 14 and continues tracking in a southwestern direction toward the Mozambique Channel. NASA's Aqua satellite captured an image when Giovanna's center ...

NASA sees Giovanna reach cyclone strength, threaten Madagascar

Tropical Storm 12S built up steam and became a cyclone on February 10, 2012 as NASA's Terra satellite passed overhead. Residents of east-central Madagascar should prepare for this cyclone to make landfall by February 13 according ...

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