![]() Since hail can cause the rainfall estimates to be higher than what is actually occurring, steps are taken to prevent these high dBZ values from being converted to rainfall. National Weather Service Radar for Tucson Current Weather Conditions Overcast in Tucson. Hail is a good reflector of energy and will return very high dBZ values. Doppler Radar from the National Weather Service for the General Tucson. These values are estimates of the rainfall per hour, updated each volume scan, with rainfall accumulated over time. Depending on the type of weather occurring and the area of the U.S., forecasters use a set of rainrates which are associated to the dBZ values. The higher the dBZ, the stronger the rainrate. Typically, light rain is occurring when the dBZ value reaches 20. The scale of dBZ values is also related to the intensity of rainfall. Australia Tucson Radar NEXRAD Station EMX Animate United States Prescott, AZ Region Zoom: update in: 0 sec Radar Total Precip. The value of the dBZ depends upon the mode the radar is in at the time the image was created. Notice the color on each scale remains the same in both operational modes, only the values change. The other scale (near left) represents dBZ values when the radar is in precipitation mode (dBZ values from 5 to 75). One scale (far left) represents dBZ values when the radar is in clear air mode (dBZ values from -28 to +28). Interactive weather map allows you to pan and zoom to get unmatched weather details in your local neighborhood. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Oro Valley area. Each reflectivity image you see includes one of two color scales. The dBZ values increase as the strength of the signal returned to the radar increases. ![]() So, a more convenient number for calculations and comparison, a decibel (or logarithmic) scale (dBZ), is used. Your best resource for Local Tucson, Arizona Radar. Tucson, Arizona Current Weather Forecasts, Live Radar Maps & News WeatherBug Todays Weather - Tucson, AZ 5:02 PM TUCSON/INT. Continually striving to be your best resource for. Reflectivity (designated by the letter Z) covers a wide range of signals (from very weak to very strong). Tucson, AZ Doppler Radar Weather - Find local 85701 Tucson, Arizona radar loop and radar weather images. Tucson, AZ Doppler Radar Weather - Find local 85701 Tucson, Arizona radar loop and radar weather images. "Reflectivity" is the amount of transmitted power returned to the radar receiver. The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan.
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