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The heat index (HI) is an index that combines air temperature and relative humidity, in shaded areas, to posit a human-perceived equivalent temperature, as how hot it would feel if the humidity were some other value in the shade. For example, when the temperature is 32 °C (90 °F) with 70% relative humidity, the heat index is 41 °C (106 °F ...
WeatherStar (sometimes rendered Weather Star or WeatherSTAR; "STAR" being an acronym for Satellite Transponder Addressable Receiver) [1] is the technology used by American cable and satellite television network The Weather Channel (TWC) to generate its local forecast segments—branded as Local on the 8s (LOT8s) since 2002 and previously from 1996 to 1998—on cable and IPTV systems nationwide.
Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
Get the latest information on the current excessive heat ... Dangerously hot conditions with heat index values up to 111 degrees anticipated for portions of north and northeast Texas until 9 p.m ...
As heat indices climb into the 108-112-degree range, there are steps you can take to avoid heat exhaustion and stroke. ... County offers tips for surviving current heat advisory. Gannett. Jasmine ...
Pulse-Doppler systems measure the range to objects by measuring the elapsed time between sending a pulse of radio energy and receiving a reflection of the object. Radio waves travel at the speed of light, so the distance to the object is the elapsed time multiplied by the speed of light, divided by two – there and back.
Heat index values as high as 102. Calm wind. Friday night: Mostly clear, with a low around 73. Calm wind. Saturday: Sunny and hot, with a high near 99. Calm wind becoming southwest around 6 mph in ...