Graphic by John Idzikowski News from the Night Sky Radar and Songbird Migration April 3, 2006 The evening displayed a poor movement throughout the eastern United States. A High pressure ridge had moved into the Great Plains and a Low was setup over the eastern Great Lakes. Fronts Map WeatherUnderground A north wind The two systems worked together to create an airflow blowing south, from Canada to the Gulf of Mexico. Wind Map WeatherUnderground Minor Movement There was minor movement along the Gulf, but otherwise, the birds decided to wait another day. Radar Mosaic National Weather Service   Copyright 1996-2006 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to our feedback form