Weather and Climate Archives - Free ZIMSEC & Cambridge Revision Notes

Land and sea breeze pressure system

By garikaib|2022-09-15T12:44:53+02:00January 24th, 2023|O Level Geography, Weather and Climate|

Land and Sea breezes occur along coastal areas such as beaches. Image by Livescience. ZIMSEC O Level Geography Notes:Land and Sea breezes

As the name clearly suggests these breezes occur along coastal areas or along large lakes […]

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Lightining

By garikaib|2022-09-15T12:44:39+02:00January 24th, 2023|Notes, Weather and Climate|

Lightining. Image by GreenSociety. ZIMSEC O Level Geography Notes: Weather Hazards: Lightining

Is typically caused by the physical characteristics of cumulonimbus weather conditions.
As rain drops fall the energy which they have causes a positive charge to develop at the top of a cloud and negative charges to develop […]

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Depressions

By garikaib|2022-09-15T12:44:52+02:00January 24th, 2023|O Level Geography, Weather and Climate|

The characteristics and weather pattern associated with a depression. Image by the BBC. ZIMSEC O Level Geography Notes.

Characteristics

This is an area of low pressure whose shape on a map is oval or circular.
It is represented […]

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Floods

By garikaib|2022-09-15T12:44:38+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

Floods in OZ. Image by Time. ZIMSEC O Level Geography Notes: Weather Hazards: Floods.

Some parts of Zimbabwe especially low lying areas like Muzarabani. The Tokwe-Mukosi area near Masvingo experienced severe floods in the 2014/15 rain season leaving a lot of homes destroyed and people […]

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Anticyclones

By garikaib|2022-09-15T12:44:52+02:00January 24th, 2023|O Level Geography, Weather and Climate|

Pictures showing wind direction in an anti-cylcone (right) in both the southern and nothern hemisphere. Image by Physical Geography ZIMSEC O Level Geography Notes: Anticyclones.

Features of anticyclones.

These are areas of high […]

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Frost/Snow and Hail

By garikaib|2022-09-15T12:44:38+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

A house and vehicle covered in snow. Image by Novinite. ZIMSEC O Level Geography Notes: Frost/Snow and Hail.

Snow/Frost

Caused by a sudden fall or drop in temperature.
With snow ice crystals are formed in the atmosphere.
When these small ice crystals collide with […]

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Cyclones

By garikaib|2022-09-15T12:44:51+02:00January 24th, 2023|O Level Geography, Weather and Climate|

The formation of a cyclone. Image via Imagarcade. ZIMSEC O Level Geography Notes: Cyclones

Features of a cyclone.

These are systems of intense low pressure.
There are sometimes known as hurricanes (the U.S and the American continents) and typhoons( in Asian countries).
On a map the […]

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Drought

By garikaib|2022-09-15T12:44:37+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

Drought stressed maize. Image by Missouri.edu ZIMSEC O Level Geography Notes: Weather Hazards: Drought

In general terms drought is caused by a general shortage of precipitation over an extended period of time usually the rain season resulting in water shortages for both human and natural […]

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