systert A ts a miten the ciayman that suggests that weather 1 I. 3 Give n reason for the drwation of mavement of this weather system \( (1 \times 2) \) (1) 3 Whay doos this weather system aigmate al the polar from? \( (1 \times 2) \) (2) IT W Why is the cold front assoctated with sevpe woather conditions? \( (1 \times 2) \) (2) 1.3 5 Explain the lommation of the stage of development shown in FGUURE 1.3 of the midi-tatitude gyclone. (4) 1.3.5 Why Goes the cold front of the mid-tattude cyclone have a pasitive impact en agriculturat activitues in the Western Cape? \( (2 \times 2) \) FIGURE 1.3: MID-LATITUDE CYCLONE

To address the questions regarding the mid-latitude cyclone and its associated weather systems, let's break down each question step by step. ### 1. Reason for the Duration of Movement of this Weather System The duration of movement of a mid-latitude cyclone is influenced by several factors, including: - **Jet Stream Influence**: The position and strength of the jet stream can dictate how quickly a cyclone moves. A strong jet stream can lead to faster movement. - **Pressure Gradients**: The difference in atmospheric pressure between high and low-pressure areas can affect the speed of the cyclone's movement. ### 2. Source of Air Masses Associated with this Weather System Mid-latitude cyclones typically draw air from various sources, including: - **Polar Regions**: Cold air masses from polar regions contribute to the cold front of the cyclone. - **Tropical Regions**: Warm air masses from tropical regions can be drawn into the system, leading to the development of warm fronts. ### 3. Why the Cold Front is Associated with Severe Weather Conditions The cold front of a mid-latitude cyclone is associated with severe weather conditions due to: - **Rapid Lifting of Warm Air**: When the cold front advances, it forces warm, moist air to rise quickly, leading to the formation of clouds and precipitation. - **Instability**: The contrast between the cold and warm air can create unstable atmospheric conditions, resulting in thunderstorms and severe weather. ### 4. Explanation of the Stage of Development Shown in Figure 1.3 In a mid-latitude cyclone, the stages of development can include: - **Formation**: The initial stage where a low-pressure area begins to develop. - **Mature Stage**: The cyclone reaches its peak intensity, with well-defined cold and warm fronts. - **Occlusion**: The cold front catches up to the warm front, leading to the occlusion of warm air. The specific stage shown in Figure 1.3 would need to be described based on the visual representation, but generally, it illustrates the interaction of these fronts and the associated weather patterns. ### 5. Positive Impact of the Cold Front on Agricultural Activities in the Western Cape The cold front can have a positive impact on agriculture due to: - **Increased Precipitation**: Cold fronts often bring rain, which is beneficial for crops. - **Cooling Effect**: The arrival of cooler air can help reduce heat stress on plants, promoting better growth conditions. ### Summary In summary, mid-latitude cyclones are complex systems influenced by various atmospheric conditions. Their movement, source of air masses, and associated weather phenomena play crucial roles in shaping the weather patterns experienced in different regions, including their positive impacts on agriculture.