![]() With all of these products in the palm of your hand, you can be more confident in identifying the type of precipitation that the radar is observing and falling at the surface. While Precipitation Depiction can provide a good guess of precipitation type, other products that can also be used to determine precipitation type, such as dual polarization products. The relatively high reflectivity values in the snow may indicate melting snow. Southeast of Salt Lake City, precipitation is being depicted as snow. Precipitation west of Salt Lake City was identified as rain by the Precipitation Depiction algorithm (which is consistent with observations from automated stations). This image has both rain and snow near Salt Lake City. At the time of this image, heavy snow was being observed at the Billings observing station.īillings, MT Reflectivity and Precipitation Depiction Notice it shows higher values than the previous image, especially near Billings. Here are reflectivity and precipitation depiction data from Billings, MT. RadarScope is a specialized display utility for weather enthusiasts and meteorologists that allows you view NEXRAD Level 3 and super-resolution radar data along with tornado, severe thunderstorm, flash flood, special marine and snow squall warnings, and predicted storm tracks issued by the U.S. Snow typically has reflectivity values between 5 and 20 dBZ but can be higher if it is melting. Notice again the grainy appearance of the snow in the reflectivity image?Īberdeen, SD Reflectivity and Precipitation Depiction Now, let’s look at the images below with only snow. A snow echo will typically have a fuzzy or grainy appearance on a reflectivity image. Also, note the significantly higher reflectivity values for the rain than for the snow. In the Precipitation Depiction images throughout this blog, green and yellow shades represent rain, and the blue shades represent snow. I’ve captured images of snow in South Dakota and rain near Memphis. Let’s take a look at a few different images that can help in the future.įirst, let’s compare reflectivity for echoes that are all rain and all snow. ![]() There are a few ways to accomplish this task. As winter approaches, you may start wondering how to identify snow while using RadarScope.
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