How a cloud is Generated???
In tropics, heat is available to a large extent and the weather is quite humid to produce thunderstorms. When sometimes, the Surface gets saturated with humid air i.e between 0 to 2.5kms from sea level, the moisture and RH will be high....When this is couple by heat, the water vapor is transferred in the form of packets to the mid layers i.e between 3.0 to 8.5kms, by a process where heat is not supplied through out its journey.
During its transition from ground to mid levels, the Moist air cools down at a rate of -10degrees/km of ascent...While the atmospheric normal lapse rate is -6degrees/km of ascent.....
Now imagine a cup of cool water is kept in a warm room....Water droplets appear around the glass....When the packet is cooled off, the packet gets saturated and is made visible to our naked eye...Its called the cloud. The cloud forms at the mean layer 850mb or 850hPa and its called Boundary layer. The Clouds initially Extends a bit high and tough the liquid Condensation level (LCL)...Its called "Cumulus"....When there is further raising of packets, the cloud towers up....its called cumulus congestus....
When the process still continues, the cloud gets spread in diameter and mass....its called Cumulonimbus....The front part of this clouds develops and the back part of the cloud dissipates and its called down burst...It naturally occurs by aiding factors like
1)Sea Breeze front
2)Rocked Terrain- Arcot, Vellore, Sholinghur
3)Plain area, where free convection happens--Tiruttani, Arakkonam.
4)Hilly areas, where air is made forced to raise up---Jawadhu, Tirumala, Kolli hills...
In tropics, heat is available to a large extent and the weather is quite humid to produce thunderstorms. When sometimes, the Surface gets saturated with humid air i.e between 0 to 2.5kms from sea level, the moisture and RH will be high....When this is couple by heat, the water vapor is transferred in the form of packets to the mid layers i.e between 3.0 to 8.5kms, by a process where heat is not supplied through out its journey.
During its transition from ground to mid levels, the Moist air cools down at a rate of -10degrees/km of ascent...While the atmospheric normal lapse rate is -6degrees/km of ascent.....
Now imagine a cup of cool water is kept in a warm room....Water droplets appear around the glass....When the packet is cooled off, the packet gets saturated and is made visible to our naked eye...Its called the cloud. The cloud forms at the mean layer 850mb or 850hPa and its called Boundary layer. The Clouds initially Extends a bit high and tough the liquid Condensation level (LCL)...Its called "Cumulus"....When there is further raising of packets, the cloud towers up....its called cumulus congestus....
When the process still continues, the cloud gets spread in diameter and mass....its called Cumulonimbus....The front part of this clouds develops and the back part of the cloud dissipates and its called down burst...It naturally occurs by aiding factors like
1)Sea Breeze front
2)Rocked Terrain- Arcot, Vellore, Sholinghur
3)Plain area, where free convection happens--Tiruttani, Arakkonam.
4)Hilly areas, where air is made forced to raise up---Jawadhu, Tirumala, Kolli hills...
Article By-me
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