snow Archives - Free ZIMSEC & Cambridge Revision Notes

May 2015

Frost/Snow and Hail

By garikaib|2017-01-17T11:22:34+02:00May 30th, 2015|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

A house and vehicle covered in snow. Image by Novinite.

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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Rainfall

By garikaib|2017-01-17T11:22:47+02:00May 21st, 2015|O Level Geography, Weather and Climate|

Rainfall. Image via the Herald.

Rainfall. Image via the Herald. ZIMSEC O Level Geography Notes: Rainfall.

Rainfall is just one form of precipitation.
Precipitation occurs when warm moist air rises or is forced to rise.
Water vapor in the air parcel cools and condenses to form clouds.
This is because temperature falls with increase […]
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