modified: app.py

modified:   static/css/style.css
	modified:   templates/weather.html

app.py

@@ -226,6 +226,8 @@ def get_dwd_warnings(lat, lon, state_hint=None):
                         "description": w.get("description", ""),
                         "state":       w.get("state", ""),
                         "state_short": w.get("stateShort", ""),
+                        "onset":       w.get("onset", ""),
+                        "expires":     w.get("expires", ""),
                     })
         filtered = []
         if state_hint:
@@ -238,8 +240,10 @@ def get_dwd_warnings(lat, lon, state_hint=None):
                 "type": w["type"],
                 "headline": w["headline"],
                 "description": w["description"],
+                "onset": w.get("onset", ""),
+                "expires": w.get("expires", ""),
             }
-            for w in result_source[:3]
+            for w in result_source[:5]
         ]
         _warn_cache[key] = result
         return result
@@ -339,6 +343,49 @@ def get_mosmix_forecast(lat, lon, hours=72):
         app.logger.exception("MOSMIX forecast loading failed")
         return [], {}
 
+def filter_unrealistic_warnings(warnings, forecast):
+    """
+    Filter out warnings that contradict the actual forecast.
+    E.g., frost warning when min temp is > 0°C in next 48 hours.
+    """
+    if not warnings or not forecast:
+        return warnings
+    
+    filtered = []
+    frost_keywords = {"frost", "glatte", "glatt", "eis", "schnee"}
+    rain_keywords = {"regen", "starkregen", "dauerregen"}
+    
+    try:
+        temps_48h = [h.get("temp_c") for h in forecast[:48] if h.get("temp_c") is not None]
+        precip_48h = [h.get("precip_mm") for h in forecast[:48] if h.get("precip_mm") is not None]
+        
+        min_temp_48h = min(temps_48h) if temps_48h else None
+        max_precip_48h = max(precip_48h) if precip_48h else 0
+        
+        for w in warnings:
+            warn_type = _normalize_text(w.get("type", ""))
+            headline = _normalize_text(w.get("headline", ""))
+            
+            skip = False
+            
+            if min_temp_48h is not None and min_temp_48h > 2:
+                if any(kw in warn_type or kw in headline for kw in frost_keywords):
+                    app.logger.info("Filtered frost warning: min_temp %.1f°C", min_temp_48h)
+                    skip = True
+            
+            if max_precip_48h < 0.1:
+                if any(kw in warn_type or kw in headline for kw in rain_keywords):
+                    app.logger.info("Filtered rain warning: max_precip %.1f mm", max_precip_48h)
+                    skip = True
+            
+            if not skip:
+                filtered.append(w)
+    except Exception:
+        app.logger.exception("Error filtering unrealistic warnings")
+        return warnings
+    
+    return filtered
+
 @app.route("/")
 def index():
     return render_template("index.html")
@@ -395,6 +442,7 @@ def wetter():
     forecast = forecast[current_idx:]
     sunrise, sunset, dawn, dusk = get_sun_times(lat, lon)
     warnings = get_dwd_warnings(lat, lon, state_hint=state_hint)
+    warnings = filter_unrealistic_warnings(warnings, forecast)
     daily = {}
     for h in forecast:
         dt  = h["datetime"]