diff --git a/db/nexrad.sql b/db/nexrad.sql
index bdf07b5..a996c3d 100644
--- a/db/nexrad.sql
+++ b/db/nexrad.sql
@@ -16,4 +16,6 @@ select AddGeometryColumn(
     'nexrad_radar', 'coord', 4326, 'POINT', 'XY'
 );
 
+select CreateSpatialIndex('nexrad_radar', 'coord');
+
 commit;