A very cold arctic air mass had been building over central Alaska and northwestern Canada during the latter half of November 2006 (surface air temperatures colder than -40 F/-40 C have been reported daily over that region since 21 November). A NOAA-15 AVHRR 10.8µm “IR window channel” image centered... Read More
An extensive area of mountain waves was apparent on the “water vapor channel” images from GOES-11 and GOES-13 on 22 November 2006 (above). Animation of these images (QuickTime | Java) shows that the... Read More
Tropical Storm Rosa formed off the southwest coast of Mexico early in the day on 09 November 2006. In spite of existing in an environment of moderate southwesterly vertical shear, the tropical disturbance was able to intensify... 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
