| Interaction between the Earth's atmosphere and sun's | | | | continue to move together. Light precipitation and |
| heat is a never-ending process and is always a | | | | Stratus clouds generally accompany the occluded |
| constant. Every part of the atmosphere doesn't get | | | | fronts. |
| heated up equivalently at the same time. This | | | | A stagnant area is formed when two air masses that |
| in-equivalence makes the large masses of air to move | | | | are different but not strong enough to push and |
| about as an automatic response of the atmosphere to | | | | replace the other meet. Precipitation for a long time |
| balance itself. The varied types of weather are a | | | | period accompanied by cloudy weather results in due |
| direct result of this mass movement of air. | | | | to this stagnant situation. This stagnant front may as a |
| The existing air mass in a region gets encountered that | | | | warm or cold front begin to move or after a few days |
| is already there when another air mass moves in. front | | | | may dissipate. In summer the chances of occurrence |
| is the boundary that is created between these two air | | | | of such stagnant fronts are higher. |
| masses. Cold front is when the cold air replaces the | | | | More than 70% of the Earth's surface is covered by |
| warm air and when cold front gets replaced, it is | | | | the oceans. Land surface doesn't cool down or heat |
| known as a warm front. | | | | up as quickly as the water surface and hence heat is |
| A cold air mass when encounters a warm front, the | | | | efficiently stored in seawater. Due to this characteristic |
| colder air get pushed below the warm front. | | | | cold or warm water is carried to different parts of the |
| Condensed water vapor changes into clouds when | | | | globe by ocean currents. The temperature of the |
| the warm front rises and cools down. Appearance of | | | | currents below affects the temperatures on the |
| mid-level clouds follows high cirrus clouds. Mid-level | | | | surface. Changes in temperatures of the sea alter |
| cloud is followed by Thick stratus clouds. Precipitation | | | | climates. It affects more effectively the climate of the |
| and wind come next. | | | | coastal region. |
| Often cold fronts produce weathers that are more | | | | In the few weeks around the summer and winter |
| volatile by nature. The warm air mass moves upward | | | | solstices the maximum and minimum sea |
| sharply when it comes in contact with a cold front. | | | | temperatures legs because of the slow heating and |
| Convection and instability results due to this sharp | | | | cooling nature of water. The weather is affected by |
| upward movement. Along the front trigger storms and | | | | the variation in sea and land temperatures that gets |
| formation of large cumulus clouds. An area of strong | | | | heightened due to this lag. As a result large portions of |
| winds and low-pressure zone gets created due to the | | | | the water surface may experience fogs and the |
| quick rise in air. The actual front is accompanied by | | | | weather in the coastal region might be cooler. |
| strong winds and heavy rain. After frontal passage | | | | In the air the water vapor gets condensed to form |
| come the persisting showers. | | | | clouds that eventually as precipitation falls down on the |
| At times a cold front overtakes a generally slower | | | | Earth surface. The whole process starts all over again |
| moving warm front. The warm front gets pushed aloft | | | | as most of it goes back to the oceans after a small |
| the cold front when this happens. An occluded front is | | | | portion of it gets absorbed by snow and rain. |
| the line formed in-between the two fronts as they | | | | |