![]() ![]() 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. Hail is a good reflector of energy and will return very high dBZ values. Radar Current Weather Rivers & Lakes Satellite Forecast Maps Hour by Hour Forecast Winter Weather Graphical. 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. ![]() Wind direction is W at 7 mph with visibility of 10.00 mi. 21 hours ago &0183 &32 Live Doppler 13 Forecast 4:30 p.m. The scale of dBZ values is also related to the intensity of rainfall. Pomona Police Dept Doppler Radar Current Conditions: Clear, the temperature is 59☏, humidity 55. NA 64F 18C More Information: Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast Extended Forecast for Pomona CA. The value of the dBZ depends upon the mode the radar is in at the time the image was created. See the latest Arizona Doppler radar weather map including areas of rain, snow and ice. Wind direction is NE at 5 mph with visibility of 10.00 mi. Notice the color on each scale remains the same in both operational modes, only the values change. Pomona Park Doppler Radar Loop Current Conditions: Clear, the temperature is 73☏, humidity 83. 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). 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. Reflectivity (designated by the letter Z) covers a wide range of signals (from very weak to very strong). "Reflectivity" is the amount of transmitted power returned to the radar receiver. North America > United States of America > New York > Pomona Radar. Wind direction is NW at 10 mph with visibility of 5.00 mi. The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan. Satellite and Doppler radar images for Pomona, NY. Pomona Lake Doppler Radar Loop Current Conditions: Light Snow, the temperature is 36F, humidity 93.
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