Create JAG/TI WIndChill sensor

Configuration
18

Have a final solution worked out and also created another formula, the Steadman.

29

both sensors for you to use and adapt as you need to localize:

- platform: template
  sensors:
    jagti_windchill:
      value_template: "{{ (13.12 + 0.6215*float(states.sensor.br_temperature.state) + 
                        0.3965*(float(states.sensor.br_temperature.state) - 28.676) *
                  (float(states.sensor.br_wind_speed.state)*3.6)*0.16) | round(2) }}"
      unit_of_measurement: "°C"
      friendly_name: Jag/Ti WindChill

# Tchill(°C) = 13,12 + 0,6215*Tair + 0.3965*(Tair - 28,676)*S10m0,16
# S10m = windspeed (km/h) at anemometer_height = 10 m, Tair in °C

    steadman_windchill:
      value_template: "{{ (1.41 - 1.162*float(states.sensor.br_wind_speed.state) + 
                        0.98*float(states.sensor.br_temperature.state) + 
                        0.124*float(states.sensor.br_wind_speed.state)**2 +
                        0.0185*float(states.sensor.br_wind_speed.state)*
                        float(states.sensor.br_temperature.state)) | round(2) }}"
      unit_of_measurement: "°C"
      friendly_name: Steadman WindChill

# Tchill(°C) = 1.41 - 1.162*S + 0.98*Tair+0.0124*S2 + 0.0185*S*Tair
# Tair in °C en S= in m/s.
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