Weather Radar Information
Weather Radar – the weather adviser
Weather radars aren’t a very new technology. They were first used after the end of World War II. During the WWII many scientists noticed strange echoes on the radars and these echoes were caused by rain drops or snow flakes. So after the war many of the scientists that noticed such anomalies started developing the weather radar. Of course in the beginning the weather radar wasn’t very accurate and trustful, but with time the technology got better and upgraded and so the forecasts were much more reliable. The first weather radars were just able to determine where the storm was and this was all, but the new ones can determine its type, motion type and its future intensity and location.
Weather radars work by sending microwave radiations which is grouped in pulses. The lengths of these microwave radiation waves are from 1 to 10 cm and are quite bigger than the usual rain drops and ice particles. Due to this variation in size the pulses will bounce off from all the small particles which are of interest to the scientists. Depending on the area where the weather radar will be used there are different radars which send different lengths of waves. For instance short wave radars are preferred for areas where there is occasional weak rain or weak snow falls, because the short waves easily detect smaller particles. The best weather radar type is the one with the 10cm long waves, but it is also the most expensive. It has the best resolution and can give the most proper position, type and motion of the storm.
However don’t think that the radar just shows the scientists what type is the storm and at what type it will be over a certain part of the world. There are many complex calculations which must be made using the data from the weather radar. So the people working with the weather radar must be qualified and experienced so that they can find and use the correct information when calculating the height, distance and type of the storm.
Weather radars are surely one of the most important parts of the national weather service. The good weather radar may not only allow us to have information about the future weather and if any storms are expected, but also save lives in case a tornado or a hurricane is predicted. It is very important that the weather radar used is frequently checked and fixed if there are any problems, because bad condition will surely lead to false results and information. Weather radars are surely to get better and more accurate with time and soon they’ll be able to determine everything about a storm by themselves, this way they will not only make our life easier, but also maybe save lives in case of a heavy storm.