diff --git a/edexOsgi/com.raytheon.edex.plugin.grib/src/com/raytheon/edex/plugin/grib/util/GribModelLookup.java b/edexOsgi/com.raytheon.edex.plugin.grib/src/com/raytheon/edex/plugin/grib/util/GribModelLookup.java
index 9af2c1260e..1207ed3c65 100644
--- a/edexOsgi/com.raytheon.edex.plugin.grib/src/com/raytheon/edex/plugin/grib/util/GribModelLookup.java
+++ b/edexOsgi/com.raytheon.edex.plugin.grib/src/com/raytheon/edex/plugin/grib/util/GribModelLookup.java
@@ -56,6 +56,7 @@ import com.raytheon.uf.common.util.mapping.MultipleMappingException;
  * Apr 30, 2013  1961     bsteffen    Add ability to disable grib tables.
  * Oct 14, 2013  2473     bsteffen    Remove lookup of deprecated grib files.
  * Apr 25, 2014  2874     bsteffen    Add processType
+ * Jul 30, 2014  3455     bsteffen    Allow model matching with no grid defined.
  * 
  * 
  * </pre>
@@ -148,6 +149,9 @@ public class GribModelLookup {
                     return model;
                 }
             }
+        } else {
+            String key = toKey(center, subcenter, null, process, processType);
+            return models.get(key);
         }
         return null;
     }