diff --git a/docs/CITY_DATA_SOURCES.md b/docs/CITY_DATA_SOURCES.md
index 0db71788..c227e6a6 100644
--- a/docs/CITY_DATA_SOURCES.md
+++ b/docs/CITY_DATA_SOURCES.md
@@ -57,7 +57,7 @@
 |------|------|------|
 | london | EGLC | Met Office 仅 1 小时更新 |
 | jeddah | OEJN | NCM 数据源目前不可用 |
-| moscow | UUWW | 俄罗斯 METAR 集群 + NOAA WRH 结算 |
+| moscow | UUWW | 仅 UUWW METAR 单站 |
 | shenzhen | ZGSZ | 已接入 HKO 流浮山 10 分钟数据，见 Tier 3 |
 | munich | EDDM | DWD 延迟约 1 小时 |
 | milan | LIMC | 无已知实时源 |
diff --git a/src/data_collection/city_registry.py b/src/data_collection/city_registry.py
index a18c40f5..8e87de68 100644
--- a/src/data_collection/city_registry.py
+++ b/src/data_collection/city_registry.py
@@ -40,7 +40,7 @@ CITY_REGISTRY = {
         "lat": 55.5915,
         "lon": 37.2615,
         "icao": "UUWW",
-        "settlement_source": "noaa",
+        "settlement_source": "metar",
         "settlement_station_code": "UUWW",
         "settlement_station_label": "Vnukovo International Airport",
         "tz_offset": 10800,
@@ -50,7 +50,7 @@ CITY_REGISTRY = {
         "risk_emoji": "🟡",
         "airport_name": "Vnukovo International Airport",
         "distance_km": 29.0,
-        "warning": "市场现按 NOAA UUWW 整度°C口径结算；以 weather.gov Temp 列在当日全部小时最终完成后的最高整度摄氏值为准。",
+        "warning": "仅 UUWW METAR 单站；无实时国家级站网，看日内趋势时需注意报间相对稳定但更新频率较低。",
     },
     "london": {
         "name": "London",
diff --git a/src/data_collection/country_networks.py b/src/data_collection/country_networks.py
index fe072731..92ce682f 100644
--- a/src/data_collection/country_networks.py
+++ b/src/data_collection/country_networks.py
@@ -191,8 +191,6 @@ def _provider_code_for_city(city: str) -> str:
         return "saudi_ncm"
     if normalized == "paris":
         return "fr_aeroweb"
-    if normalized == "moscow":
-        return "russia_metar_cluster"
     if settlement_source == "hko":
         return "hongkong_hko"
     if settlement_source == "cwa":
@@ -984,24 +982,6 @@ class KoreaKmaNetworkProvider(CountryNetworkProvider):
         }
 
 
-class RussiaStationWebNetworkProvider(CountryNetworkProvider):
-    def __init__(self) -> None:
-        super().__init__("russia_metar_cluster", "Moscow METAR network")
-
-    def official_nearby_current(self, city: str, raw: Dict[str, Any]) -> List[Dict[str, Any]]:
-        return _metar_cluster_rows(raw)
-
-    def official_network_status(self, city: str, raw: Dict[str, Any]) -> Dict[str, Any]:
-        rows = self.official_nearby_current(city, raw)
-        return {
-            "provider_code": self.provider_code,
-            "provider_label": self.provider_label,
-            "available": bool(rows),
-            "mode": "realtime_metar_cluster" if rows else "reference_only",
-            "row_count": len(rows),
-        }
-
-
 class IsraelImsNetworkProvider(CountryNetworkProvider):
     def __init__(self) -> None:
         super().__init__("israel_ims", "IMS Lod Airport")
@@ -1161,8 +1141,6 @@ def get_country_network_provider(city: str) -> CountryNetworkProvider:
         return TurkeyMgmNetworkProvider()
     if provider_code == "korea_kma":
         return KoreaKmaNetworkProvider()
-    if provider_code == "russia_metar_cluster":
-        return RussiaStationWebNetworkProvider()
     if provider_code == "japan_jma":
         return JapanJmaNetworkProvider()
     if provider_code == "china_cma":
diff --git a/src/data_collection/weather_sources.py b/src/data_collection/weather_sources.py
index 111fc1cf..c013408e 100644
--- a/src/data_collection/weather_sources.py
+++ b/src/data_collection/weather_sources.py
@@ -55,7 +55,6 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
     CITY_METAR_CLUSTERS = {
         "buenos aires": ["SAEZ", "SABE", "SADP", "SADF", "SADL", "SADJ"],
         "istanbul": ["LTFM", "LTBA", "LTFJ"],
-        "moscow": ["UUWW", "UUEE", "UUDD", "UUBW", "UUMO"],
         "london": ["EGLL", "EGLC", "EGKK", "EGSS", "EGGW"],
         "new york": ["KLGA", "KJFK", "KEWR", "KTEB", "KHPN"],
         "los angeles": ["KLAX", "KBUR", "KLGB", "KSNA", "KVNY"],