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Different colours mean different things in different countries, but in the UK remember Mr Brown is a live wire.
Do you mean Doppler radar? If so, Doppler radar measures velocity. It's a specialized radar that makes use of the Doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection, then analyzing how the frequency of the returned signal has been altered by the object's motion. This variation gives direct and highly accurate measurements of the radial component of a target's velocity relative to the radar. Doppler radars are used in aviation, sounding satellites, meteorology, police speed guns, and radiology. The specific term "Doppler Radar", due in part to its extremely common use by television meteorologists in on-air weather reporting, has erroneously become popularly synonymous with the type of radar used in meteorology. Most modern weather radars use the pulse-Doppler technique to examine the motion of precipitation, but it is only a part of the processing of their data. So, while these radars use a highly specialized form of Doppler radar, the term is much broader in its meaning and its applications.
Weather related basically means that it has to do with weather.
news and weather travel together
A trait is an inherited characteristic of an organism. One example is eye color. When a gene codes for the trait "brown eye color" we mean that the person has proteins in her eyes that are shaped to reflect the brown color. The reason she has those particular proteins is because she has the gene that is the instructions for those specific proteins. So: the gene is the instruction to make the protein that is the expression of the trait.
it probably means a storm on a weather radar, or nothing is located in that area
Yellow clouds on a radar mean that the rain quantities are not light nor heavy and the storm has a small chance of severe weather.
Green means rain.
A color close to brown but not exactly brown.
To the brown color (#964B00)
Depending on the product, it can mean either very heavy rain or pea size hail, or winds moving torwards the radar site if you are looking at Storm relative mean velocity or base mean velocity products.
Not heavy rain but not light. its a storm that is monitored because it may become a thunderstorm.
Brown
Radar!
brown means lazy or not willing to do anything
Breeches made of doeskin, brown in color.
Brown and green.