The VIIRS instrument on Suomi NPP yielded compelling nighttime imagery of Hurricane Gonzalo in the western Atlantic. The toggle above of the Day Night Band and the 11.45 µm Infrared imagery shows a circular central dense overcast over the storm (imagery courtesy of William Straka, CIMSS). No eye structure is immediately apparent, although very cold... Read More

An intense extratropical cyclone over the central United States spawned a Quasi-Linear Convective System that moved through the Deep South on 12-13 October 2014; the QLCS was responsible for a spate of severe weather including wind damage, hail and tornadoes (Storm reports from 12 October, 13 October). The image above, from 1933... Read More

A large mid-latitude cyclone exhibited explosive development over the North Atlantic Ocean (south of Greenland) on 13 October 2014. This storm produced hurricane-force winds, according to surface analyses from the Ocean Prediction Center. GOES-13 6.5... Read More

Tropical Storm Gonzalo is moving through the Leeward Islands today, October 13. The animation above shows the visible imagery from GOES-13. Slow strengthening of the storm is indicated. Eye formation may be occurring in the later part of the animation. (Note that imagery over the Leeward Islands is available only... Read More