Category: NEXRAD Migration Study

  • Birds continue to push north across the U.S.

    Birds continue to push north across the U.S.

    Low pressure over the Southeastern US did keep some birds from migrating in the area immediately affected by precipitation, but otherwise migration was widespread across the country last night. Heavy migration was evident in the Upper Midwest where birds have been backed up for weeks due to an unseasonably cold and snowy spring. Birds continued to pour up the Central Flyway via south Texas as the Gulf Coast enters the latter half of migration for the 2013 spring season.

  • Birds. All we really want is Birds. In the morning it’s Birds…

    …and in the evening it’s Birds… National overview Birds were migrating last night across the western half of the US; up through Texas, the Gulf Coast, and Florida, and on the leading edge of this wacky front from the Upper Midwest to New York and down to the Smoky Mountains. Again, the best way to […]

  • Migration continues, although fragmented by high pressure and precipitation

    Migration continues, although fragmented by high pressure and precipitation

    When the map gets complicated with weather systems, it pays to check out the Hurtado Radar loop to understand what’s going on. Migration was evident across the country last night, although high pressure over New England and the Mid Atlantic kept birds down along the east coast, and heavy precipitation over Florida and along parts of the Central and Mississippi Flyways reduced migration locally. Some interesting weather over the Upper Midwest, as the once stationary front backed up as a warm front overnight, means more birds for southeastern Wisconsin today. See below for details.

  • Central Flyway shutdown for the night, while MAYgration marches on all around us

    Central Flyway shutdown for the night, while MAYgration marches on all around us

    A cold front stretched from the Yucatan to Canada brought heavy precipitation and opposing winds to the Central Flyway last night, effectively shutting down any major migration over the middle of the US, although some local movement was evident on the radar (see below). With the exception of some heavy precipitation over Florida and some high pressure cells over New England and the Great Plains regions, birds were on the move across the country. Check out the Hurtado Radar from 3pm yesterday through this morning to see for yourself.

  • More MAYgration into the Great Lakes region

    More MAYgration into the Great Lakes region

    High pressure over New England and some gnarly precipitation in parts of the Southeast, Great Plains and Upper Midwest, thwarted nocturnal migration for some locales last night, but otherwise birds were on the move throughout most of the country. The heaviest returns continue to come from the Texas Gulf Coast indicating heavy Trans- and Circum-Gulf migration. Heavy migration was also apparent throughout the Midwest east of the stationary front, and along the Pacific flyway from the Desert Southwest all the way up into the Pacific Northwest. It’s clearly May, and for nocturnal migrants that means “all systems GO!”

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