| Precipitation |
Forms of precipitation
|
- Rain
Water drops that have a diameter of at least 0.5 mm. It can be classified based on intensity as,
|
| |
Light rain  up to 2.5 mm/h |
| |
Moderate rain 2.5 mm/h to 7.5 mm/h |
|
Heavy rain > 7.5 mm/h |
- Snow
Precipitation in the form of ice crystals which usually combine to form flakes, with an average density of 0.1 g/cm3.
|
- Drizzle
Rain-droplets of size less than 0.5 mm and rain intensity of less than 1mm/h is known as drizzle.
|
- Glaze
When rain or drizzle touches ground at 0oC, glaze or freezing rain is formed.
|
- Sleet
It is frozen raindrops of transparent grains which form when rain falls through air at subfreezing temperature.
|
- Hail
It is a showery precipitation in the form of irregular pellets or lumps of ice of size more than 8 mm.
|
