Table of Contents

Begin


I Introduction

Get an overview on a meteorological phenomenon called Upper-Level-Low and on the impact it has on weather.

Go

II The Life Cycle of Upper-Level Lows

Learn more about Upper-Level Troughs and the Rossby waves and see how they interact.

Go

III The Upper-Level Trough Stage

See in this chapter how Upper-Level-Lows are created and why they are a common phenomenon in mid-latitudes.

Go

IV The Tear-Off Stage

This is a major step in the life cycle towards a cold core low. Check-out the meteorological parameters that characterize this transition phase.

Go

V The Cut-Off Stage

In this chapter you will see some examples of cold core lows that are cut-off from the trough in which they were created and you will get a description of the typical weather that can be expected below such a cold core low.

Go

VI The Dissipation Stage

The dissipation stage marks the end of the life cycle.

Go

VII Exercises

Check-out your understanding of that phenomenon by answering the quizzes.

Go

VIII Case Study: Floods in Central Europe 2021

In the last chapter of this training module, you will have a closer look on an exceptionally intense and long lasting Upper-Level-Low that caused many damages especially over Germany and Austria.

Go

 

 

* TECHNICAL NOTE: For the best interactive experience throughout this module please use the most recent versions of Firefox, Google Chrome or Internet Explorer browser!