Table of Contents

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I. Introduction

Cyclogenesis in the wake of a mountain range.

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II. Air-flow over the mountains: the dynamics

In this chapter, we will have a closer look into the dynamics of an airflow hitting an obstacle like a mountain range.

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III. Development of a leeward vortex caused by air circulating around the Alps

In this chapter, we will analyse the conditions under which a low-level vortex forms in the wake of a mountain range.

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IV. Lee Cyclogenesis

In this chapter we will investigate the main factors influencing the transformation of the low-level vortex into a mesoscale cyclone.

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V. Related weather phenomena

Lee cyclones over the Mediterranean Sea often cause intense precipitation over land.

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VI. The impact of lee cyclogenesis over the Gulf of Genoa on local winds:
the Mistral and the Bora

In this chapter, we will have a quick look on local wind systems that are strongly influenced by lee cyclogenesis.

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VII. Quiz

Test your knowledge on lee cyclogenesis.

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