Grand Canyon, Arizona: smoke from local and distant sources
An end to the offshore Santa Ana wind regime and a change in the synoptic-scale flow pattern over the southwestern US (MODIS visible image + RUC model winds at 1 km and 2km AGL) resulted in a northward to northeastward transport of smoke from the ongoing Southern California fires on 26 October 2007. A 250-meter resolution MODIS true color image centered over the Grand... Read More