News

Continental Summary: Widespread light and moderate movements occurred across the West during the period, including some coastal flights allied with Santa Ana winds in southern California, while two strong pulses of moderate movements occurred during the middle of the period…

A strong low pressure system is forecast to move across northeastern Asia and the northern Bering Sea late on Thursday 3 October and early on Friday 4 October. Forecasts call for strong westerly winds with this system, which is quite…

Continental Summary: The West continues to show a patchwork of locally moderate movements in airspace free of precipitation, and the East gets another pulse of moderate to heavy flights, including in the Southeast and Florida, followed by another strong high…

Continental Summary: Changeable conditions across the West spawned scattered and sometimes moderate movements in a patchwork across the region, as strong high pressure dominated the eastern US and spawned extensive and continuing moderate to heavy movements. Birds on the move…

In the wake of much discussion about atmospheric blocking in Fall 2012, Team BirdCast returns to the scene of the crime, so to speak. The Climate Prediction Center, among others, is forecasting a period of negative North Atlantic Oscillation (NAO)…

Birders along the Pacific Coast of the US, along with The Weather Channel and the Los Angeles Times, have certainly noticed the recent invasion of Blue-footed Boobies in California, whether you’ve read about it on eBird or seen it in…

Continental Summary: A pulse of moderate movements occurs midweek in the West, as the East experiences a major frontal passage followed by a building high pressure ridge that facilitate major movements over land and over water. Birds on the move…

Continental Summary As the East pulsed with a major frontal passage and moderate to heavy movements in its wake, the West continued previous weeks’ pattern of many moderate movements. Birds on the move this week included Broad-winged Hawk, Northern Flicker,…

Team BirdCast continues to try to provide some insights on the comings and goings of vagrants in the Bering Sea! The coming days have some great potential for Asian strays to appear in the Alaskan island chains, particularly given pervasive…

Continental Summary: Major movements begin the period in the East and West, followed by periods of less favorable conditions until another pulse of movements end the forecast period. Birds on the move this week will include Broad-winged and Sharp-shinned Hawk,…

A strong cold front has moved off the Atlantic coast after a week of more summer-like conditions. Friday night will see temperatures drop in many areas, with winds from the North and Northwest, perfect for moderate to heavy movements in…

Continental Summary: Moderate movements took hold in many areas of the West, while a strong front produced excellent end of the period flights in the East after a pervasive summer-like air mass departed. Birds on the move included Barn Swallow,…