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Heavy migration into the Upper Midwest
National Overview The migration superhighway was open for business once again last night as the latest front pushed east across the Plains and Midwest. The heaviest migration was along the frontal boundary which swept across western Iowa and Minnesota by morning. Birders across the Midwest should be seeing new birds today. Below are the radar […]
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More birds up through the Midwest
National Overview Sorry for the late post; I’m a bit under the weather this morning. If you’ve been following along the past two mornings you know the frontal boundary moving east out of the Plains has been the main trigger for widespread migration up through the middle of the country. High pressure over the eastern […]
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Birds continue to move up through the middle of the U.S. and taper off in the east
National Overview A strong migration signal was apparent across the middle of the US from Texas to Minnesota as a series of surface lows make their way east across the Great Plains. Southerly flow along these fronts created the optimal migration weather which continued eastward to the Great Lakes and decreased to the East Coast […]
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Migration continues up through the Plains and along the East Coast where southerly flow is strongest
National Overview The east sides of both a warm front stretching down across the Great Plains and a cold front running down the East Coast represented the main transit lines for northbound migrants last night. Birds continue to move north out of the Gulf states, as well, with Circum-Gulf migration into Texas apparent on the […]
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High pressure puts damper on Upper Midwest while front brings birds to East Coast
National Overview Here’s the radar- I’ll be back tomorrow with more interpretation. Below are the radar loops from sunset last night through 5:00am (central time) this morning Since I will be publishing “as I go” each morning you may see some incomplete posts throughout the early morning hours. Don’t worry- it’s coming! Mid Atlantic Delaware […]