feat: ensemble mean api page (#968)

Co-authored-by: Patrick Zippenfenig <patrick@zippenfenig.de>

Author: vincentvdwal

src/routes/en/docs/+layout.svelte

@@ -37,7 +37,9 @@
 			]
 		},
 		{ title: 'Historical Weather', url: '/en/docs/historical-weather-api' },
-		{ title: 'Ensemble Models', url: '/en/docs/ensemble-api' },
+		{ title: 'Ensemble Models', url: '/en/docs/ensemble-api', children: [
+			{ title: 'Ensemble Mean API', url: '/en/docs/ensemble-mean-api' }
+		]},
 		{ title: 'Seasonal Forecast', url: '/en/docs/seasonal-forecast-api' },
 		{ title: 'Climate Change', url: '/en/docs/climate-api' },
 		{ title: 'Marine Forecast', url: '/en/docs/marine-weather-api' },

src/routes/en/docs/ensemble-api/+page.svelte

@@ -129,8 +129,14 @@
 		><circle cx="12" cy="12" r="10" /><path d="M12 16v-4" /><path d="M12 8h.01" /></svg
 	>
 	<Alert.Description>
-		The initial version of ensemble weather models has been integrated. You can learn more about
-		these models in the <a
+		This API offers access to individual ensemble member forecasts from various weather models. You
+		can retrieve up to three days of historical data. Additionally, we store <a
+			href="/en/docs/ensemble-mean-api"
+			title="Ensemble Mean API"
+			class="text-link underline">ensemble means and spreads</a
+		>
+		with a longer retention period. For more information on ensemble models, see this
+		<a
 			class="text-link underline"
 			href="https://openmeteo.substack.com/p/ensemble-weather-forecast-api"
 			target="_blank">blog article</a

src/routes/en/docs/ensemble-api/options.ts

@@ -495,7 +495,7 @@ export const bom_access_global_ensemble = [
 	'is_day'
 ];
 
-export const meteoswiss = [
+export const meteoswiss_variables = [
 	'temperature_2m',
 	'surface_pressure',
 	'snow_depth',
@@ -544,8 +544,8 @@ export const availableVariables: Record<string, string[]> = {
 	ukmo_uk_ensemble_2km: ukmo_2km_variables,
 	gem_global_ensemble: gem_global_variables,
 	bom_access_global_ensemble: bom_access_global_ensemble,
-	meteoswiss_icon_ch1_ensemble: meteoswiss,
-	meteoswiss_icon_ch2_ensemble: meteoswiss
+	meteoswiss_icon_ch1_ensemble: meteoswiss_variables,
+	meteoswiss_icon_ch2_ensemble: meteoswiss_variables
 };
 
 export const hourly = [

src/routes/en/docs/ensemble-mean-api/+layout.ts

@@ -0,0 +1,10 @@
+import type { LayoutLoad } from './$types';
+
+export const load = (() => {
+	return {
+		heroTitle: 'Ensemble Mean API',
+		heroDescription: 'Mean Ensemble Weather Forecasts from Multiple Models',
+		heroImage: '/images/backgrounds/forstberg.webp',
+		heroImagePosition: 'center 65%'
+	};
+}) satisfies LayoutLoad;