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. The scale of dBZ values is also related to the intensity of rainfall. 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. The National Weather Service in Indianapolis asks anyone with storm damage to report it to this via Twitter at article will be updated.The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan. Report fallen power lines to Duke Energy by calling 80. Report a downed power line by calling 31.įor Duke Energy customers, you can text OUT to 57801, call 80 or report an outage online here: bit.ly/3PT2eyQ. You can report an outage to AES Indiana online here: bit.ly/3SfCFtA. "Most of the problems are due to rain and wind causing trees and vegetation to interfere with power lines as well as some lightning strikes," Protogere said. Protogere said that the electric utility was "working on responding to the outages now and mobilizing additional contractors to supplement our local crews." Monday, six Duke Energy customers in Hamilton County still remained without power, with an estimated restoration time of 11 p.m., according to the outage map.Īngeline Protogere, spokesperson for Duke Energy, told IndyStar that because the heavy rains and wind are moving through the utility's service area, she could not provide an exact restoration time. At the height of the outage, over 3,000 Duke Energy customers in Hamilton County were without power.Īs of 8:45 p.m. Young said there was no approximate time of restoration as of Monday morning.įor Duke Energy customers, there were more than 2,300 customers without power as of 8:45 p.m. "We're doing what we can to quickly and safely restore power," Young told IndyStar. Kelly Young, spokesperson for AES Indiana, said the biggest concentration of outages are on Indianapolis' west side. Monday, over 1,100 AES Indiana customers were without power, according to the outage map. Thousands affected by Indiana power outagesĪs of 8:45 p.m. "As we had the storms go through here this morning, it's probably pretty difficult for us to get another severe storm setup for this afternoon," Puma told IndyStar. Flash flooding may occur due to torrential rainfall, and people should not drive through flooded roadways.Īs of late Monday morning, Jason Puma, meteorologist with the National Weather Service, said that there would be less chances for rain Monday afternoon in Central Indiana, around a 30% chance across the I-70 corridor.Īnother severe thunderstorm warning Monday is possible, but unlikely, he said. NWS Indianapolis said people in the path of the storm should move to an interior room on the lowest level of a building. Damage to trees, mobile homes, roofs and buildings were possible. Storm warnings remained in effect for parts of Indiana through at least 10:45 a.m.Īccording to the warning, the storm would bring winds up to 70 mph. NWS Indianapolis issued a severe thunderstorm warning for most of Central Indiana early Monday as storms moved through the area. Over 3,000 Duke Energy customers in Hamilton County and thousands more across the state also lost electricity. Monday, more than 1,100 AES Indiana customers were without electricity following weather-related power outages due to severe thunderstorms that passed through Central Indiana that morning.Īt one point, there were more than 10,000 AES Indiana customers without power Monday.
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