2011-04-13 Matti Leskinen
Nocturnal migration and morning birds northwards 2011-04-13
Kumpula radar large scale reflectivity during the
night and in the morning.
The case file of 2011-04-11 explains more the
radar measurements.
Additional files show detailed multiparameter images of the
migration over
the Gulf of Finland.
Weather
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Kumpula radar large scale reflectivity
Nocturnal migrants taking of after 18 UTC, and migration still
continuing weaker at 02 UTC. The morning migration accross the Gulf
of Finland is strongly modified by the islands and peninsulas of the
Estonian (and perhaps Finnish) coast.
Matti.Leskinen@helsinki.fi
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