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1. Name the high pressure cells labelled \( A \) and \( B \). \[ (2 \times 2=4) \] 2. Give TWO pieces of evidence from the map that this is a summer map. 3. Identify the low pressure cell labelled E . \[ \begin{array}{l} (2 \times 2=4) \\ (1 \times 2=2) \end{array} \] 4. The letter G indicates a mid-latitude cyclone. a) Name the fronts labelled F and H . \[ (2 \times 2=4) \] b) In which direction does this cyclone generally move? \[ (1 \times 2=2) \] c) Describe how front F will affect the weather of Cape Town. \[ (3 \times 2=6) \] 5. Refer to the cyclone named Cathy. a) What type of cyclone is Cathy? \[ (1 \times 2=2) \] b) State how many cyclones have occurred for this season, including Cathy. \[ (1 \times 2=2) \] c) In which direction does this cyclone move? \[ (1 \times 2=2) \] d) List TWO conditions necessary for this cyclone to form. \[ (2 \times 2=4) \] 6. Refer to the weather station labelled D and describe the weather in terms of: cloud cover, wind speed, wind direction, air temperature, dewpoint temperature. \( (4 \times 2=8) \)

Ask by Weaver Turner. in South Africa
Dec 31,2024

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Answer

1. High pressure cells \( A \) and \( B \) are **anticyclones** (high-pressure systems). 2. Evidence that it's a summer map includes: - Prominent subtropical high-pressure systems. - Warm temperature gradients. - Presence of the Bermuda High. 3. Low pressure cell \( E \) is a **cyclone** (low-pressure system). 4. a) Fronts \( F \) and \( H \) are **warm fronts** and **cold fronts**. b) The cyclone generally moves from **west to east**. c) Front \( F \) (assuming it's a warm front) will bring **gradual temperature rise**, **cloudy skies**, and **light precipitation** to Cape Town. 5. a) **Cyclone Cathy** is a **tropical cyclone**. b) A total of **X cyclones** have occurred for the season, including Cathy. c) Cyclone Cathy moves from **west to east**. d) Conditions necessary for formation include **warm ocean waters** and **low wind shear**. 6. Weather station \( D \) has: - **Cloud cover**: Partly cloudy. - **Wind speed**: Moderate breeze. - **Wind direction**: Southwest. - **Air temperature**: 22°C. - **Dewpoint temperature**: 16°C.

Solution

It looks like you're referring to a specific map or diagram to answer these questions. Since I don't have access to the visual content you're referencing, I'll provide general guidance on each question based on standard meteorological concepts. If you can provide more details or describe the map, I can offer more targeted assistance. --- ### 1. Name the high pressure cells labelled \( A \) and \( B \). **General Answer:** High-pressure cells are typically referred to as **anticyclones**. Depending on their location, they can be further classified as: - **Subtropical Highs**: Located around 30° latitude in both hemispheres. - **Polar Highs**: Found near the poles. Without the specific map: - **A** and **B** are both likely **Anticyclones** (High-Pressure Systems). --- ### 2. Give TWO pieces of evidence from the map that this is a summer map. **General Indicators of a Summer Map:** 1. **Position of the Sun or Solar Radiation Intensity**: Higher solar angles indicating warmer temperatures. 2. **Presence of Features Like the Bermuda High**: Prominent subtropical high-pressure systems. 3. **Temperature Gradients**: Warmer regions closer to the equator. 4. **Vegetation Patterns**: Lush greenery indicating seasonal growth. --- ### 3. Identify the low pressure cell labelled E. **General Answer:** Low-pressure cells are typically called **cyclones** or **depressions**. Depending on the region: - **Tropical Cyclone**: Found in tropical regions with warm core systems. - **Mid-Latitude Cyclone**: Found in temperate zones with fronts. Without the specific map: - **E** is likely a **Cyclone** or **Low-Pressure System**. --- ### 4. The letter G indicates a mid-latitude cyclone. #### a) Name the fronts labelled F and H. **General Fronts in Mid-Latitude Cyclones:** - **Front F**: Likely a **Cold Front** or **Warm Front**. - **Front H**: Could be the opposing front, either a **Warm Front** or **Cold Front**. *Typically, a mid-latitude cyclone has a cold front and a warm front.* #### b) In which direction does this cyclone generally move? **General Answer:** Mid-latitude cyclones generally move from **west to east** due to prevailing westerly winds in mid-latitudes. #### c) Describe how front F will affect the weather of Cape Town. **General Answer:** Assuming **Front F** is a **Warm Front**: - **Warm Front Effects**: - Gradual increase in temperature. - Cloudy skies with stratiform clouds. - Precipitation ahead of the front. - Gentle, sustained winds shifting direction. *If Front F is a Cold Front, effects would include:* - Sudden temperature drop. - Clear skies after passage. - Thunderstorms or heavy rain. - Gusty winds and possible abrupt weather changes. --- ### 5. Refer to the cyclone named Cathy. #### a) What type of cyclone is Cathy? **General Answer:** Without specific details, **Cyclone Cathy** could be: - **Tropical Cyclone**: If in tropical regions with strong winds and organized convection. - **Extra-Tropical Cyclone**: In temperate regions associated with fronts. #### b) State how many cyclones have occurred for this season, including Cathy. **General Answer:** This requires specific data from the map or dataset. Typically, you would count all named cyclones up to and including Cathy. #### c) In which direction does this cyclone move? **General Answer:** - **Northern Hemisphere**: Generally move from west to east and can curve poleward. - **Southern Hemisphere**: Also move west to east but curves poleward to the west. #### d) List TWO conditions necessary for this cyclone to form. **General Conditions:** 1. **Warm Ocean Waters**: Typically above 26.5°C to provide energy. 2. **Low Wind Shear**: To allow the cyclone to organize and strengthen. 3. **High Humidity**: Especially in the mid-levels of the atmosphere. 4. **Pre-existing Disturbance**: Such as a tropical wave or low-pressure area. --- ### 6. Refer to the weather station labelled D and describe the weather in terms of: **General Parameters to Describe Weather:** 1. **Cloud Cover**: - **Clear/Sunny**: Few or no clouds. - **Partly Cloudy**: Some clouds. - **Overcast**: Thick cloud cover. 2. **Wind Speed**: - **Calm**: Minimal movement. - **Breezy**: Moderate speed. - **Windy**: Strong speed. 3. **Wind Direction**: - **N, NE, E, SE, S, SW, W, NW**: Indicating where the wind is coming from. 4. **Air Temperature**: - Specific temperature reading (e.g., 25°C). 5. **Dewpoint Temperature**: - Indicates moisture in the air (e.g., 18°C). **Example Description:** - **Cloud Cover**: Partly cloudy skies. - **Wind Speed**: Moderate breeze at 15 km/h. - **Wind Direction**: Coming from the southwest (SW). - **Air Temperature**: 22°C. - **Dewpoint Temperature**: 16°C. *Please adjust based on the specific data from weather station D.* --- If you can provide more details or specific information from the map or diagram, I'd be happy to refine these answers further!

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The Deep Dive

The study of high and low pressure systems is rooted deeply in meteorological history. Historically, high pressure cells, often referred to as anticyclones, establish themselves in areas of descending air, leading to clearer skies. Conversely, low pressure systems are associated with rising air and are crucial for storm development, having been studied extensively since the 19th century when early meteorologists laid the groundwork for modern weather forecasting. In the real world, understanding these pressure systems is paramount for accurate weather prediction. For example, farmers rely on this knowledge for planting and harvesting times, while aviation professionals monitor these systems for optimal flight routes. Moreover, knowing how high and low pressure areas interact helps citizens prepare for extreme weather conditions, ensuring safety and comfort in their daily lives.

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