Del Norte Public Library

This study documents a class of squall lines that appears to be approximately two-dimensional, has a solid leading edge echo during a portion of its life cycle, and and has line-normal flow characterized by a continuous zone of negative horizontal velocity that slopes upward from the leading edge to the rear of the storm.

Development of frontal disturbances is considered from a non-linear initial value point of view.

The sword-fishing boat Andrea Gail and crews attempting to rescue her struggle against a powerful North Atlantic storm.