Heat Index Table Celsius Elcho Table The ‘heat index’ is a measure of how hot weather "feels" to the body. this table uses relative humidity and air temperature to produce the "apparent temperature" or the temperature the body "feels". these values are for shady locations only. exposure to full sunshine can increase heat index values by up to 15°f. also, strong winds,. Calculate the heat index. heat index calculation. enter in the air temperature (t air) in degrees fahrenheit and relative humidity (rh) in percent (without the % sign), then click on the calculate hi to compute the heat index (hi) | use the heat index tables. t air.
Heat Index Table Dew Point Elcho Table 90 105°f. (32 41°c) sunstroke, muscle cramps, and or heat exhaustion possible with prolonged exposure and or physical activity. caution. 80 90°f. (27 32°c) fatigue possible with prolonged exposure and or physical activity. chart provided by nws tulsa. 27 32°c. 80 90°f. caution: fatigue is possible with prolonged exposure and activity. continuing activity could result in heat cramps. 32 41°c. 90 105°f. extreme caution: heat cramps and heat exhaustion are possible. continuing activity could result in heat stroke. 41 54°c. Classification heat index apparent temperature. general affect on people in high risk groups. ely≥130°fhotvery hot 105°f 129°funlike the “relative” in relative humidity, dew points represent an absolute value of moisture and, as such, are. better measure of atmospheric conditions. the dew point is the temperature, at which if the air. Heat index. the heat index is a measure of how hot it really feels when relative humidity is factored in with the actual air temperature. to find the heat index temperature, look at the heat index chart above or check our heat index calculator. as an example, if the air temperature is 96°f and the relative humidity is 65%, the heat index how.
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