![Regional Overview 5-23-2012 Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-vkLjqg.jpeg)
Regional Overview at ~0400 on 5-23-2012
ARIZONA
There wasn’t a whole lot going on last night on the radar throughout Arizona despite light southwest winds.
Click on the thumbnail to view the full-sized animation.
![Base reflectivity for Tucson, AZ Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-kuCDsw.jpeg)
![Base velocity for Tucson, AZ Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-I9Qs7J.jpeg)
![Base reflectivity for Phoenix, AZ Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-dsT6k4.jpeg)
![Base velocity for Phoenix, AZ Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-LVxRIU.jpeg)
SOUTHERN CALIFORNIA
There appeared to be a movement of birds on the coast heading north out of San Diego.
Click on the thumbnail to view the full-sized animation.
![Base reflectivity for San Diego, CA Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-f07WQd.jpeg)
![Base velocity for San Diego, CA Not much on the migration front last night in Arizona.](http://m5.paperblog.com/i/23/231075/not-much-on-the-migration-front-last-night-in-L-aowq_8.jpeg)