diff --git a/src/static/dashboard.html b/src/static/dashboard.html
index 9f6da51..cc1cd0f 100644
--- a/src/static/dashboard.html
+++ b/src/static/dashboard.html
@@ -624,10 +624,10 @@
         const flooded = state.p1Now != null && state.p1Now >= level;
         return {
             color: flooded ? '#7a1512' : '#8a5a2b',
-            weight: flooded ? 2.5 : 1,
+            weight: flooded ? 2.5 : 1.2,
             dashArray: flooded ? null : '4 4',
             fillColor: ZONE_COLORS[zone] || '#f9e3a1',
-            fillOpacity: flooded ? .55 : .16 + .38 * Math.min(1, p),
+            fillOpacity: flooded ? .72 : .38 + .3 * Math.min(1, p),
         };
     }
 
diff --git a/src/static/flood-zones-p1.geojson b/src/static/flood-zones-p1.geojson
index cf8d3ae..cb933bd 100644
--- a/src/static/flood-zones-p1.geojson
+++ b/src/static/flood-zones-p1.geojson
@@ -1 +1 @@
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