Color and line fixing of warning status areas

forecasts/models.py

@@ -126,7 +126,9 @@ class ForecastResult:
                                   "color": warning_status["color"],
                                   "zIndex": -10,
                                   "yAxis": warning_status_axis_id,
-                                  "enableMouseTracking": False
+                                  "enableMouseTracking": False,
+                                  "lineWidth" : 0,
+                                  "fillOpacity" : 1.0
                                   }