GOES-15 0.63 µm visible channel images (above; click image to play animation; also available as an MP4 movie file) revealed the presence of mesovortices within the eye of Category 1 Hurricane Lowell in the East Pacific Ocean on 21 August... Read More

The GOES-14 satellite was in Super Rapid Scan Operations for GOES-R (SRSOR) mode, providing coverage of Tropical Storm Lowell in the East Pacific Ocean on 19 August 2014; an animation of 0.63 µm visible channel... Read More

Suomi NPP VIIRS 0.64 µm visible channel and 11.45 µm IR channel images at 23:47 UTC on 07 August 2014 (above) showed Category 1 Hurricane Iselle just east of Hawai’i, exhibiting a convective burst within the northern semicircle and cloud-top IR brightness temperatures as cold as -82º C. With the... Read More

The first tropical depression (update: Arthur was named as a tropical storm at 1500 UTC 1 July) of the season in the tropical Atlantic has formed just to the east of Florida. The visible imagery animation, above, shows persistent strong thunderstorms with overshooting tops in the area of disturbed weather... Read More