From 717106eec6d4a8fffd44ae548c83d6fba249859c Mon Sep 17 00:00:00 2001
From: "2569718930@qq.com" <2569718930@qq.com>
Date: Sun, 19 Apr 2026 14:25:38 +0800
Subject: [PATCH] Anchor Paris weather data to Le Bourget

---
 frontend/lib/dashboard-official-sources.ts |  4 ++--
 src/data_collection/city_registry.py       | 16 ++++++++++------
 src/data_collection/weather_sources.py     |  2 +-
 tests/test_country_networks.py             | 12 ++++++++++++
 4 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/frontend/lib/dashboard-official-sources.ts b/frontend/lib/dashboard-official-sources.ts
index 150668cc..af73d989 100644
--- a/frontend/lib/dashboard-official-sources.ts
+++ b/frontend/lib/dashboard-official-sources.ts
@@ -351,8 +351,8 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
       kind: "agency",
     },
     {
-      label: "LFPG METAR",
-      href: "https://aviationweather.gov/data/metar/?id=LFPG&decoded=1&taf=1",
+      label: "LFPB METAR",
+      href: "https://aviationweather.gov/data/metar/?id=LFPB&decoded=1&taf=1",
       kind: "metar",
     },
   ],
diff --git a/src/data_collection/city_registry.py b/src/data_collection/city_registry.py
index 3712c232..18181cec 100644
--- a/src/data_collection/city_registry.py
+++ b/src/data_collection/city_registry.py
@@ -68,17 +68,21 @@ CITY_REGISTRY = {
     },
     "paris": {
         "name": "Paris",
-        "lat": 49.0097,
-        "lon": 2.5480,
-        "icao": "LFPG",
+        "lat": 48.9694,
+        "lon": 2.4414,
+        "icao": "LFPB",
+        "settlement_source": "metar",
+        "settlement_station_code": "LFPB",
+        "settlement_station_label": "Paris-Le Bourget Airport METAR",
+        "settlement_url": "https://www.wunderground.com/history/daily/fr/bonneuil-en-france/LFPB",
         "tz_offset": 3600,
         "use_fahrenheit": False,
         "is_major": True,
         "risk_level": "medium",
         "risk_emoji": "🟡",
-        "airport_name": "Charles de Gaulle 机场",
-        "distance_km": 25.2,
-        "warning": "城市热岛效应：市区比机场偏暖1-2°C。",
+        "airport_name": "Paris-Le Bourget 机场",
+        "distance_km": 12.0,
+        "warning": "巴黎市场现按 Le Bourget 机场 METAR / LFPB 历史记录锚定；市区热岛与机场北侧低云可能造成偏差。",
     },
     "seoul": {
         "name": "Seoul",
diff --git a/src/data_collection/weather_sources.py b/src/data_collection/weather_sources.py
index 6fde2555..9f347f5b 100644
--- a/src/data_collection/weather_sources.py
+++ b/src/data_collection/weather_sources.py
@@ -46,7 +46,7 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
         "austin": ["KAUS", "KEDC", "KSAT"],
         "houston": ["KHOU", "KIAH", "KSGR", "KCXO"],
         "mexico city": ["MMMX", "MMSM", "MMTO"],
-        "paris": ["LFPG", "LFPO", "LFPB"],
+        "paris": ["LFPB", "LFPG", "LFPO"],
         "seoul": ["RKSI", "RKSS"],
         "busan": ["RKPK", "RKSS"],
         "hong kong": ["VHHH", "VMMC", "ZGSZ"],
diff --git a/tests/test_country_networks.py b/tests/test_country_networks.py
index cef3153f..0dbde8d2 100644
--- a/tests/test_country_networks.py
+++ b/tests/test_country_networks.py
@@ -26,6 +26,18 @@ def test_new_south_asia_city_registry_entries_are_wired():
     assert CITIES["masroor air base"]["settlement_source"] == "metar"
 
 
+def test_paris_registry_uses_le_bourget_anchor():
+    paris = CITY_REGISTRY["paris"]
+
+    assert paris["icao"] == "LFPB"
+    assert paris["settlement_source"] == "metar"
+    assert paris["settlement_station_code"] == "LFPB"
+    assert "bonneuil-en-france/LFPB" in paris["settlement_url"]
+    assert CITIES["paris"]["lat"] == paris["lat"]
+    assert CITIES["paris"]["settlement_source"] == "metar"
+    assert _DummyMetarSource.CITY_TO_ICAO["paris"] == "LFPB"
+
+
 def test_turkey_metar_uses_fast_cache_ttl():
     source = _DummyMetarSource()