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This calculator estimates heat index temperature felt by the human body based on the actual measured air temperature together with humidity level or dew point.
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Use this Heat Index Calculator to calculate the heat index (HI) based on air temperature (T) and relative humidity (RH). How to use this calculator. Choose the temperature unit between degrees Fahrenheit, degrees Celsius, or Kelvin. Enter the air temperature.
25 Αυγ 2023 · Choose the appropriate calculator and enter the values. Then click "Calculate". * Please note: The Heat Index calculation may produce meaningless results for temperatures and dew points outside of the range depicted on the Heat Index Chart linked below.
12 Μαΐ 2022 · In practice, the simple formula is computed first and the result averaged with the temperature. If this heat index value is 80 degrees F or higher, the full regression equation along with any adjustment as described above is applied.
30 Αυγ 2022 · How to calculate heat index. We used an equation for heat index that reproduces the heat index chart data in this humidex calculator, but you can refer to the chart for most cases: Measure the air temperature outdoors, also known as dry bulb temperature. Measure the relative humidity of the air.
21 Ιουλ 2016 · Calculate the heat index from the temperature and humidity (either relative humidity or dew point), or use a simple heat-index conversion chart.
The equation for HI above with the appropriate adjustment is used to compute a maximum heat index using the forecast maximum temperature and an estimated 00 UTC dew point temperature at each forecast point location for each forecast projection day.
