Tropical storm Franklin strengthened to a category-one hurricane as it raged towards Mexico for a second assault on Wednesday, the US National Hurricane Center said.
The Atlantic Ocean now faces a higher likelihood of an "extremely active" hurricane season with more storms than previously predicted, US forecasters warned Wednesday, updating the previous outlook issued in May.
Infrared imagery from NASA looked at cloud top temperatures in Tropical Storm Nalgae and revealed that wind shear was still affecting the storm.
NASA used satellite data to tally the rainfall generated by Hurricanes Hilary and Irwin as they interacted in the Eastern Pacific Ocean.
NASA has captured infrared and visible imagery before and after Tropical Storm Emily formed in the Gulf of Mexico and made landfall in Florida.
Infrared imagery from NASA looked at cloud top temperatures in Tropical Storm Irwin and found the strongest storms in the system were west of its low-level center.
Kulap is now a tropical depression moving through the Northwestern Pacific Ocean, and NASA-NOAA's Suomi NPP satellite captured a visible light image of the diminishing storm.
NASA's Aqua satellite passed over Tropical Storm Irwin as it was strengthening toward hurricane status. Aqua gathered temperature data using infrared light that revealed the power building within.
Everyone likes to get in better shape and that's what's happening with Tropical Storm Irwin. Irwin appears much more organized on infrared satellite imagery and there's a hint of an eye developing.
Tropical Storm Greg appears to be less-rounded and more elongated on satellite imagery from NOAA's GOES-West satellite. Greg is still over 1,500 miles east of Hawaii.