Add code to infer conditions from wind + gusts when Open-Meteo over simplifies weather

This commit is contained in:
mrkmntal 2026-04-13 11:33:11 -04:00
commit 84ae94e052
6 changed files with 94 additions and 14 deletions

View file

@ -7,8 +7,8 @@ import { registerDisplay } from './navigation.mjs';
import {
temperature, windSpeed, pressure, distanceKilometers, distanceMeters,
} from './utils/units.mjs';
import { getConditionText } from './utils/weather.mjs';
import { getLargeIconFromWmoCode } from './icons.mjs';
import { getConditionTextWithWind } from './utils/weather.mjs';
import { getLargeIconFromWmoCodeWithWind } from './icons.mjs';
class CurrentWeather extends WeatherDisplay {
constructor(navId, elemId) {
@ -37,8 +37,12 @@ class CurrentWeather extends WeatherDisplay {
async drawCanvas() {
super.drawCanvas();
let condition = getConditionText(this.data.TextConditions);
if (condition.length > 15) {
let condition = getConditionTextWithWind(
this.data.TextConditions,
this.data.WindSpeedRaw,
this.data.WindGustRaw
);
if (condition.length > 23) {
condition = shortConditions(condition);
}
@ -148,14 +152,21 @@ const parseData = (weatherParameters) => {
Visibility: visibilityConverter(currentForecast.visibility),
VisibilityUnit: visibilityConverter.units,
WindSpeed: windConverter(currentForecast.wind_speed_10m),
WindSpeedRaw: currentForecast.wind_speed_10m,
WindDirection: directionToNSEW(currentForecast.wind_direction_10m ?? 0),
Pressure: pressureConverter((currentForecast.pressure_msl ?? 0) * 100),
PressureDirection: currentForecast.pressureTrend,
Humidity: Math.round(currentForecast.relative_humidity_2m ?? 0),
WindGust: windConverter(currentForecast.wind_gusts_10m),
WindGustRaw: currentForecast.wind_gusts_10m,
WindUnit: windConverter.units,
TextConditions: Number(currentForecast.weather_code ?? 0),
Icon: getLargeIconFromWmoCode(currentForecast.weather_code, Boolean(currentForecast.is_day)),
Icon: getLargeIconFromWmoCodeWithWind(
currentForecast.weather_code,
Boolean(currentForecast.is_day),
currentForecast.wind_speed_10m,
currentForecast.wind_gusts_10m
),
};
};

View file

@ -2,6 +2,7 @@ import largeIcon from './icons/icons-large.mjs';
import smallIcon from './icons/icons-small.mjs';
import hourlyIcon from './icons/icons-hourly.mjs';
import { withBasePath } from './utils/base-path.mjs';
import { getWindDescriptor } from './utils/weather.mjs';
const getWeatherGovTokenFromWmoCode = (code) => {
switch (Number(code)) {
@ -50,10 +51,42 @@ const buildSyntheticIconUrl = (code, isDaytime = true) => withBasePath(`icons/la
const getLargeIconFromWmoCode = (code, isDaytime = true) => largeIcon(buildSyntheticIconUrl(code, isDaytime), !isDaytime);
const getSmallIconFromWmoCode = (code, isDaytime = true) => smallIcon(buildSyntheticIconUrl(code, isDaytime), !isDaytime);
// Wind-aware icon selection
const getWeatherGovTokenFromWmoCodeWithWind = (code, windSpeedKmh, windGustsKmh) => {
const baseToken = getWeatherGovTokenFromWmoCode(code);
const windDesc = getWindDescriptor(windSpeedKmh, windGustsKmh);
// Only use wind icon for non-precipitation conditions
// Precipitation codes: drizzle, rain, freezing rain, snow, sleet, thunderstorms
const precipitationCodes = [51, 53, 55, 56, 57, 61, 63, 65, 66, 67, 71, 73, 75, 77, 80, 81, 82, 85, 86, 95, 96, 99];
if (windDesc && !precipitationCodes.includes(Number(code))) {
return `wind_${baseToken}`;
}
return baseToken;
};
const buildSyntheticIconUrlWithWind = (code, isDaytime, windSpeedKmh, windGustsKmh) => {
const token = getWeatherGovTokenFromWmoCodeWithWind(code, windSpeedKmh, windGustsKmh);
return withBasePath(`icons/land/${isDaytime ? 'day' : 'night'}/${token}`);
};
const getLargeIconFromWmoCodeWithWind = (code, isDaytime, windSpeedKmh, windGustsKmh) => {
const iconUrl = buildSyntheticIconUrlWithWind(code, isDaytime, windSpeedKmh, windGustsKmh);
return largeIcon(iconUrl, !isDaytime);
};
const getSmallIconFromWmoCodeWithWind = (code, isDaytime, windSpeedKmh, windGustsKmh) => {
const iconUrl = buildSyntheticIconUrlWithWind(code, isDaytime, windSpeedKmh, windGustsKmh);
return smallIcon(iconUrl, !isDaytime);
};
export {
largeIcon as getLargeIcon,
smallIcon as getSmallIcon,
hourlyIcon as getHourlyIcon,
getLargeIconFromWmoCode,
getSmallIconFromWmoCode,
getLargeIconFromWmoCodeWithWind,
getSmallIconFromWmoCodeWithWind,
};

View file

@ -1,6 +1,6 @@
import { safePromiseAll } from './fetch.mjs';
import { loadData } from './data-loader.mjs';
import { getSmallIconFromWmoCode } from '../icons.mjs';
import { getSmallIconFromWmoCodeWithWind } from '../icons.mjs';
import { getOpenMeteoObservationSnapshot } from './weather.mjs';
import { temperature } from './units.mjs';
import { withBasePath } from './base-path.mjs';
@ -107,7 +107,12 @@ const selectNearbyCities = (map, sourceLocation, cities, options = {}) => {
const buildNearbyWeatherMarker = (city, observation) => {
const temperatureConverter = temperature();
const icon = getSmallIconFromWmoCode(observation.weatherCode, observation.isDay);
const icon = getSmallIconFromWmoCodeWithWind(
observation.weatherCode,
observation.isDay,
observation.windSpeed,
observation.windGusts
);
const markerHtml = `
<div class="nearby-weather-marker-inner">
<div class="city">${city.name}</div>

View file

@ -9,7 +9,7 @@ const OPEN_METEO_FORECAST_PARAMETERS = [
].join('&');
const OPEN_METEO_RADAR_OBSERVATION_PARAMETERS = [
'hourly=temperature_2m,weather_code,is_day',
'hourly=temperature_2m,weather_code,is_day,wind_speed_10m,wind_gusts_10m',
'forecast_days=1',
'timezone=auto',
'models=best_match',
@ -119,6 +119,8 @@ const getOpenMeteoObservationSnapshot = async (lat, lon) => {
temperature: forecast.hourly.temperature_2m?.[nearestIndex] ?? null,
weatherCode: forecast.hourly.weather_code?.[nearestIndex] ?? 0,
isDay: Boolean(forecast.hourly.is_day?.[nearestIndex] ?? 1),
windSpeed: forecast.hourly.wind_speed_10m?.[nearestIndex] ?? 0,
windGusts: forecast.hourly.wind_gusts_10m?.[nearestIndex] ?? 0,
timezone: forecast.timezone,
};
@ -131,8 +133,8 @@ const getOpenMeteoObservationSnapshot = async (lat, lon) => {
};
const weatherConditions = [
{ codes: [0], text: ['Clear sky'] },
{ codes: [1, 2, 3], text: ['Mainly clear', 'Partly cloudy', 'Overcast'] },
{ codes: [0], text: ['Clear'] },
{ codes: [1, 2, 3], text: ['Mostly Clear', 'Some Clouds', 'Overcast'] },
{ codes: [45, 48], text: ['Fog', 'Depositing rime fog'] },
{ codes: [51, 53, 55], text: ['Light Drizzle', 'Moderate Drizzle', 'Dense Drizzle'] },
{ codes: [56, 57], text: ['Light Freezing Drizzle', 'Dense Freezing Drizzle'] },
@ -146,6 +148,32 @@ const weatherConditions = [
{ codes: [96, 99], text: ['Thunderstorm with Slight Hail', 'Thunderstorm with Heavy Hail'] },
];
// Wind descriptor thresholds (km/h)
const getWindDescriptor = (windSpeedKmh, windGustsKmh) => {
// Use max of sustained wind or weighted gusts
const maxWind = Math.max(windSpeedKmh, (windGustsKmh || 0) * 0.8);
if (maxWind >= 56) return 'Very Windy';
if (maxWind >= 36) return 'Windy';
if (maxWind >= 21) return 'Breezy';
return null;
};
// Get condition text with wind descriptor
const getConditionTextWithWind = (weatherCode, windSpeedKmh, windGustsKmh) => {
const baseCondition = getConditionText(weatherCode);
const windDesc = getWindDescriptor(windSpeedKmh, windGustsKmh);
if (windDesc) {
// For clear sky conditions, just use the wind descriptor
if (weatherCode === 0) {
return windDesc;
}
return `${baseCondition} ${windDesc}`;
}
return baseCondition;
};
const getConditionText = (code) => {
const condition = weatherConditions.find((item) => item.codes.includes(Number(code)));
if (!condition) {
@ -229,4 +257,6 @@ export {
getOpenMeteoObservationSnapshot,
aggregateWeatherForecastData,
getConditionText,
getWindDescriptor,
getConditionTextWithWind,
};

View file

@ -16,7 +16,7 @@
&.left {
font-family: 'Star4000 Extended';
font-size: 24pt;
font-size: 18pt;
}
@ -62,6 +62,7 @@
img {
margin: 0 auto;
display: block;
width: 108px;
}
}
@ -84,12 +85,13 @@
}
.location {
color: c.$title-color;
color: #ff0;
max-height: 32px;
margin-bottom: 10px;
padding-top: 4px;
overflow: hidden;
text-wrap: nowrap;
padding-left: 15px;
}
}
}
@ -100,7 +102,6 @@
.col {
&.left {
margin-top: 35px;
font-size: 20pt;
}
&.right {

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