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1. Course title

Konvektiiviset sääjärjestelmät ja ilmasto
Convective Weather Systems and Climate
Convective Weather Systems and Climate

2. Course code


Aikaisemmat leikkaavat opintojaksot 53672 Konvektiiviset sääjärjestelmät ja ilmasto, 5 op

3. Course status: optional

-Which degree programme is responsible for the course?
Master's Programme in Atmospheric Sciences

-Which module does the course belong to?
ATM300 Advanced Studies in Atmospheric Sciences (optional for Study Track in Meteorology)

-Is the course available to students from other degree programmes?

4. Course level (first-, second-, third-cycle/EQF levels 6, 7 and 8)

Master’s level, degree programmes in medicine, dentistry and veterinary medicine = secondcycle
degree/EQF level 7
Doctoral level = third-cycle (doctoral) degree/EQF level 8

-Does the course belong to basic, intermediate or advanced studies (cf. Government Decree
on University Degrees)?
Advanced studies

5. Recommended time/stage of studies for completion

  1. or 2. year in MSc studies

6. Term/teaching period when the course will be offered

The course will be lectured every other year (even years) in the III period.

7. Scope of the course in credits

5 cr

8. Teacher coordinating the course

Marja Bister

9. Course learning outcomes


To understand and be able to apply the theory of equatorial waves and Rossby deformation radius to convection and convective weather systems.

To profoundly understand how the smallness of the Coriolis parameter affects the dynamics and the interaction between convection and dynamics

To understand the mechanisms of and factors affecting the following phenomena: Hadley and Walker cells, tradewind inversion, ITCZ, ENSO, Tropical cyclones, monsoon and MJO.

10. Course completion methods



11. Prerequisites

Atmospheric thermodynamics, Introduction to atmospheric flow dynamics, Dynamics of atmospheric flow structures

12. Recommended optional studies


13. Course content

Scale analysis in the tropics
Convection in the tropics
Rossby deformation radius and adjustment to diabatic heating and cooling by gravity waves
Morphology of convection
Equatorial waves
Hadley cell
Reason for the observed SST structure in the Pacific ocean
Linear model of the Walker cell
Lower tropospheric flow over the tropical Pacific ocean
ENSO and its theories
Tropical cyclones: observations, potential intensity theory, other factors affecting intensity, intensification mechanisms, propagation, damage

14. Recommended and required literature

Lecture notes and parts of Zhang's review paper on MJO

Supplementary material: Introduction to tropical meteorology (

15. Activities and teaching methods in support of learning

Weekly lectures

16. Assessment practices and criteria, grading scale


Grade is based on course exam.  Bonuspoints based on the number of asked questions and comments. Bonuspoints can be up to 7% of maximum course exam points.

17. Teaching language

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