There are lots of great organizations, national and local, to give to that are taking part in the recovery.
As I did in my last post, I encourage you to take part in the recovery. It certainly doesn't do justice to the stories of lost loved ones, lost property, and terrible injuries. This one picture from RadarScope doesn't come even close to telling the story of that day, when 30 tornados swept across Alabama. Although I'm not a trained storm spotter, being able to see this kind of information on an iPhone is both useful and impressive. I was simply watching it once the local meteorologist identified it. I am not a meteorologist, so I didn't actually identify the rotation. This particular velocity couplet was tracking near where I live so, of course, I was watching it closely.
This typically indicates rotation, something meteorologists call a velocity couplet. If you look at the picture on the right, you can see, at the circled spot where there is movement both away from the radar (represented by the green) and toward the radar (represented by the red). The Storm Relative Velocity settings though adjust for the movement of the storm in general so that it is easier to spot rotation. The Storm Relative Velocity 1setting, like the Base Velocity setting, shows how quickly particles (rain, hail, snow, etc.) are moving away from the radar and toward the radar. This typically shows rain or snow by bouncing radio waves off of the precipitation in the air and is useful for determining where precipitation is and the intensity of it. The default setting is Base Reflectivity 1.
#CONTACT RADARSCOPE HOW TO#
On Wednesday, April 27, 2011, before the second wave of storms came through-the first arriving that morning-I learned how to use the Storm Relative Velocity 1 setting in RadarScope. It is a universal app that works on the iPhone and the iPad. One of the apps I wrote about a week ago was RadarScope, an advanced weather app that shows several different types of radar data for radars all over the U.S., Guam, and Puerto Rico. It's been a week since I wrote my post on weather apps and almost a weeks since tornados ravaged much of Alabama and the Southeast.
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