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Tropical Depression




Tropical Depression





Once a group of thunderstorms has come together under the right atmospheric conditions for a long enough time, they may organize into a tropical depression. Winds near the center are constantly between 20 and 34 knots (23 - 39 mph).
A tropical depression is designated when the first appearance of a lowered pressure and organized circulation in the center of the thunderstorm complex occurs. A surface pressure chart will reveal at least one closed isobar to reflect this lowering.




Image provided by TPC
When viewed from a satellite, tropical depressions appear to have little organization. However, the slightest amount of rotation can usually be perceived when looking at a series of satellite images. Instead of a round appearance similar to hurricanes, tropical depressions look like individual thunderstorms that are grouped together. One such tropical depression is shown here.


* A tropical depression is an organized system of clouds and thunderstorms with a defined, closed surface circulation and maximum sustained winds of less than 34 knots (39 mph). It has no eye and does not typically have the organization or the spiral shape of more powerful storms. However, it is already a low-pressure system, hence the name "depression". The practice of the Philippines is to name tropical depressions from their own naming convention when the depressions are within the Philippines' area of responsibility.




Insights and Reflections 

  • Today, I learned that a tropical depression is an organized system of clouds and thunderstorms with a defined, closed surface circulation and maximum sustain winds of less than 34 knots (39 mph).
  • I will apply my learnings about this phenomenon in a way that when a tropical depression comes, I can share my learnings to others and to be ready.
  • Learnings about this phenomenon are important because tropical depression is a natural phenomenon that we experience often.
  • On a larger scale, I will share my learnings in these phenomena because it is important to know the different phenomena that are country experience. And to be ready when it happens to our country.
  • I need to know more about the formation of this and how can it affect our daily lives.
@babydreamer14~

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