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feat(weather/smhi): calculate apparent temperature

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Malte Hallström 2022-08-28 20:23:01 +02:00
parent 4915ad8fc7
commit 48756e8774
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1 changed files with 11 additions and 0 deletions
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11
modules/default/weather/providers/smhi.js
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@ -108,6 +108,16 @@ WeatherProvider.register("smhi", {
return `https://opendata-download-metfcst.smhi.se/api/category/pmp3g/version/2/geotype/point/lon/${lon}/lat/${lat}/data.json`; return `https://opendata-download-metfcst.smhi.se/api/category/pmp3g/version/2/geotype/point/lon/${lon}/lat/${lat}/data.json`;
}, },
/** Calculates the apparent temperature based on known atmospheric data. */
calculateApparentTemperature(weatherData) {
const Ta = this.paramValue(weatherData, "t");
const rh = this.paramValue(weatherData, "r");
const ws = this.paramValue(weatherData, "ws");
const p = (rh / 100) * 6.105 * Math.E * ((17.27 * Ta) / (237.7 + Ta))
return Ta + 0.33 * p - 0.7 * ws - 4
},
/** /**
* Converts the returned data into a WeatherObject with required properties set for both current weather and forecast. * Converts the returned data into a WeatherObject with required properties set for both current weather and forecast.
* The returned units is always in metric system. * The returned units is always in metric system.
@ -128,6 +138,7 @@ WeatherProvider.register("smhi", {
currentWeather.windSpeed = this.paramValue(weatherData, "ws"); currentWeather.windSpeed = this.paramValue(weatherData, "ws");
currentWeather.windDirection = this.paramValue(weatherData, "wd"); currentWeather.windDirection = this.paramValue(weatherData, "wd");
currentWeather.weatherType = this.convertWeatherType(this.paramValue(weatherData, "Wsymb2"), currentWeather.isDayTime()); currentWeather.weatherType = this.convertWeatherType(this.paramValue(weatherData, "Wsymb2"), currentWeather.isDayTime());
currentWeather.feelsLikeTemp = this.calculateAT(weatherData);
// Determine the precipitation amount and category and update the // Determine the precipitation amount and category and update the
// weatherObject with it, the valuetype to use can be configured or uses // weatherObject with it, the valuetype to use can be configured or uses