Category: Forecast

  • WSB Forecast Update

    Current winds at all altitudes over the Delmarva and south NJ are out of the SW while only upper-level winds over the most northern part of the state (Southern NY, really) remain out of the NW. Migration has already begun and WSB participants should expect migrants throughout the region tomorrow AM. Coastal sites will see […]

  • Heavy migration up through the Great Plains and parts of the Midwest

    National Overview Birds continue to stream up through the middle of the country as a series of surface lows churn southerly winds over the region. The low over Texas proved to be the most precipitous and may have caused some fallout conditions along the Texas and Louisiana coasts this morning. Farther north the atmosphere was […]

  • Big flight up through the Plains, and rarity potential for New England

    National Overview As the latest cold front pushed across the Rockies and Great Plains last night, southerly flow triggered heavy migration from Texas to Minnesota and west to the Dakotas. To really appreciate the pattern you need to check out the full loop from 3pm yesterday through today here on Paul Hurtado’s radar archive. Migration […]

  • Heavy migration up the east coast with fallout potential for the Mid Atlantic

    National Overview Lots of birds moving last night with the heaviest flights along the eastern seaboard in advance of the latest front. Across the country radars picked up migration though, signalling that we’re in the thick of spring. Even through the middle of the country, with upper level winds out of the north, birds continue […]

  • Migration continues as the front marches east

    National Overview I hate to say it, but things are starting to look a little more ‘normal’ this morning. High pressure over the west coast triggered moderate to heavy migration from California to the Pacific NW while migration over the middle of the country was tempered by building northwest winds. The big frontal boundary extending […]

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