homewood_tornado

Tornado Intensity Index

By Paul Homewood     Is the intensity of tornadoes increasing in the United States, (or, for that matter, falling)? It’s a perennial question. NOAA gives us some clues, with their charts of EF-1+ and EF-3 to EF-5 tornadoes since 1954. (NOAA ignore EF-0’s, because many more of these weak tornadoes get to be reported…

Watching the U.S. Tornado Outbreak from Space

NASA has just released an animation of visible and infrared satellite data from NOAA’s GOES-East satellite that shows the development and movement of the weather system that spawned tornadoes affecting seven central and southern U.S. states on April 27-28, 2014. NASA’s Aqua satellite captured infrared data on the system that revealed powerful storms, high into…