January normally isn’t the time of year for large-scale blowing dust events over the Sahara Desert region of northern Africa, but Meteosat-8 false color imagery (above; Java animation) did show a small plume of blowing dust in northern Chad on 18 January 2007. These... Read More

A QuickTime animation of GOES-11 visible channel images (above) revealed multiple plumes of glacial sediment blowing offshore along the coast of Alaska on 06 November 2006. Strong chinook winds in the glacial valleys were lofting dust and carrying it out over the adjacent Gulf of Alaska. This phenomenon had... Read More

A deepening mid-latitude cyclone (located over southeastern Colorado / southwestern Kansas at 12 UTC) began to transition from the mature stage to the occluded stage during the morning hours on 21 September. The tell-tale occluding cyclone signature... Read More

Wildfire activity persisted across parts of the Northwest US today, with GOES-11 Wildfire ABBA indicating a number of active fires in WA, ID, and MT (below, left). The smoke from these fires became rather thick from eastern Washington to western Montana, as seen by the widespread... Read More