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by adamjb
1557 days ago
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Australia's Bureau of Meteorology calculates apparent temperature like this AT = Ta + 0.33×e − 0.70×ws − 4.00 where: Ta = Dry bulb temperature (°C) e = Water vapour pressure (hPa) [humidity] ws = Wind speed (m/s) at an elevation of 10 meters The vapour pressure can be calculated from the temperature and relative humidity using the equation: e = rh / 100 × 6.105 × exp ( 17.27 × Ta / ( 237.7 + Ta ) ) where: rh = Relative Humidity [%] http://www.bom.gov.au/info/thermal_stress/#atapproximation |
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