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

NOAA/NESDIS placed GOES-15 in Rapid Scan Operations (RSO) mode for several hours on 7 October 2014 (link) to test RSO capabilities over different sectors of the Pacific Ocean. RSO Capabilities over the Pacific were possible in the 1990s; the testing yesterday showed they could be done again. Three sectors were scanned. The Sitka... Read More

McIDAS images of GOES-15 Visible (0.63 µm) data (above) showed the hazy signature of a plume of re-suspended volcanic ash originating from the region of the Novarupta volcano in Alaska, moving southeastward over the Shelikof Strait toward Kodiak Island on 29 September 2014. The Read More

The GOES-15 6.5 µm water vapor channel imagery above showed the development and evolution of a strong mid-latitude cyclone in the eastern North Pacific Basin during the 21-23 September 2014 time period; of particular interest was the development of strong subsidence behind the storm (depicted by brighter shades of yellow),... Read More