Cut-Off Low pressure systems

• Cloud Structure In Satellite Images
• Meteorological Physical Background
• Key Parameters
• Typical Appearance In Vertical Cross Sections
• Weather Events
• References


• Special Investigation

Weather Events

The importance of recognizing and forecasting the development, intensification and movement of COL systems over and around South Africa is based on the fact that there are several severe impacts on the public with the passage of such a system.

Parameter	Description
Precipitation	Heavy rainfall; exceeding 50mm at a given station over a 24 hour period. Snowfall
Temperature	Very cold conditions, maximum temperatures of 10° C or below
Wind (incl. gusts)	Gale force winds exceeding 17m/s
Other relevant information	Very rough seas, total sea in excess of 4-6m.