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. RADAR VIDEOS MAPS KSAT CONNECT Partly Cloudy 80 83 Feels Like SE 7mph Wind 61 Humidity 10mi Visibility 29.75in Pressure 65 Dew Point HOURLY FORECAST 10-DAY FORECAST Bret Tropical Storm. Hail is a good reflector of energy and will return very high dBZ values. 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. (KSLA) - The heat is the main weather story starting this weekend and heading into next week. If you need help with the Public File, call 21. The scale of dBZ values is also related to the intensity of rainfall. Watch storms develop, move through San Antonio and South Texas with a live, updating Doppler radar. 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). 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. WOAI NBC News Channel 4 San Antonio provides local news, weather forecasts, traffic updates, investigations, and items of interest in the community. * IMPACTS.Hot temperatures and high humidity may cause heat illnesses to occur.The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan. * WHERE.Matagorda Islands and Brazoria Islands. Weather forecast for San Antonio, Texas, live radar, satellite. HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. Follow updates on weather around San Antonio and South Texas Published: January 13. * IMPACTS.Hot temperatures and high humidity may cause heat illnesses to occur. HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. Read details Fri 9:41a Now 8a 9a 10a 11a 12p 1p Map Options. View our Mega Doppler Southeast Texas weather radar map for current weather conditions for Southeast Texas and the surrounding areas. * WHERE.Trinity, Walker, Washington, Grimes, Inland Jackson, Inland Matagorda, Inland Brazoria and Inland Galveston Counties. 23 Today Hourly 10 Day Radar Storms Conroe, TX Radar Map Rain Frz Rain Mix Snow Conroe, TX Heat Advisory until SAT 10:00 PM CDT. * IMPACTS.Hot temperatures and high humidity may cause heat illnesses to occur. Interactive weather map allows you to pan and zoom to get unmatched weather details in your local neighborhood or half a world away from The Weather Channel. * WHERE.Portions of south central and southeast Texas.
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