Daily Archives: 5/20/2013

Strong low pressure brings another mass of birds to the Upper Midwest

Light trans-Gulf migration along the Texas and western Louisiana coast was followed by heavy nocturnal migration up through the middle of the U.S. (>25 dBZ). The most recent front moving across the Upper Plains and Midwest packed some serious storm activity which appears to have caused fallout conditions in its path. On the backside of the front migration was light to nonexistent, while farther to the east migration continued at light to moderate densities (5-20 dBZ). Light migration was also apparent up the Pacific from Arizona to Washington State. Continue reading

Posted in Birds, Forecast, Migration, Migration Radar, NEXRAD Migration Study, Spring Migration 2013 | Comments Off on Strong low pressure brings another mass of birds to the Upper Midwest