diff --git a/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FFGVizGroupResource.java b/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FFGVizGroupResource.java
index e8a58a889e..4c3a774cbe 100644
--- a/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FFGVizGroupResource.java
+++ b/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/FFGVizGroupResource.java
@@ -18,6 +18,7 @@
  * further licensing information.
  **/
 package com.raytheon.viz.grid.rsc;
+
 import java.util.ArrayList;
 import java.util.Map;
 
@@ -38,19 +39,19 @@ import com.raytheon.viz.core.rsc.VizGroupResourceData;
 
 /**
  * FFG Group Resource class.
- *
+ * 
  * Based off VizGroupResource.java
- *
+ * 
  * <pre>
- *
+ * 
  * SOFTWARE HISTORY
- *
+ * 
  * Date         Ticket#    Engineer    Description
  * ------------ ---------- ----------- --------------------------
  * Sep 19, 2012  1162      mpduff      Initial creation.
- *
+ * 
  * </pre>
- *
+ * 
  * @author mpduff
  * @version 1.0
  */
@@ -63,7 +64,7 @@ public class FFGVizGroupResource extends
 
     /**
      * Constructor.
-     *
+     * 
      * @param resourceData
      * @param loadProperties
      */
@@ -75,7 +76,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see com.raytheon.uf.viz.core.rsc.AbstractVizResource#disposeInternal()
      */
     @Override
@@ -89,7 +90,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see
      * com.raytheon.uf.viz.core.rsc.AbstractVizResource#paintInternal(com.raytheon
      * .uf.viz.core.IGraphicsTarget,
@@ -107,7 +108,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see
      * com.raytheon.uf.viz.core.rsc.AbstractVizResource#inspect(com.raytheon
      * .uf.common.geospatial.ReferencedCoordinate)
@@ -116,11 +117,14 @@ public class FFGVizGroupResource extends
     public String inspect(ReferencedCoordinate coord) throws VizException {
         ResourceList rl = resourceData.getResourceList();
         String value = "No Data";
+        Map<AbstractVizResource<?, ?>, DataTime[]> timeMap = descriptor
+                .getTimeMatchingMap();
         for (ResourcePair pair : rl) {
             if (pair.getResource() != null) {
-                AbstractVizResource<?,?> rsc = pair.getResource();
+                AbstractVizResource<?, ?> rsc = pair.getResource();
+                timeMap.put(rsc, timeMap.get(this));
                 value = rsc.inspect(coord);
-                if (!value.equals(NO_DATA)) {
+                if (!NO_DATA.equalsIgnoreCase(value)) {
                     return value;
                 }
             }
@@ -131,7 +135,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see
      * com.raytheon.uf.viz.core.rsc.AbstractVizResource#interrogate(com.raytheon
      * .uf.common.geospatial.ReferencedCoordinate)
@@ -145,7 +149,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see
      * com.raytheon.uf.viz.core.rsc.AbstractVizResource#initInternal(com.raytheon
      * .uf.viz.core.IGraphicsTarget)
@@ -179,7 +183,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see com.raytheon.uf.viz.core.rsc.IRefreshListener#refresh()
      */
     @Override
@@ -190,7 +194,7 @@ public class FFGVizGroupResource extends
 
     /*
      * (non-Javadoc)
-     *
+     * 
      * @see
      * com.raytheon.uf.viz.core.rsc.IResourceDataChanged#resourceChanged(com
      * .raytheon.uf.viz.core.rsc.IResourceDataChanged.ChangeType,
diff --git a/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/general/AbstractGridResource.java b/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/general/AbstractGridResource.java
index e2148ade93..4308109a39 100644
--- a/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/general/AbstractGridResource.java
+++ b/cave/com.raytheon.viz.grid/src/com/raytheon/viz/grid/rsc/general/AbstractGridResource.java
@@ -584,8 +584,20 @@ public abstract class AbstractGridResource<T extends AbstractResourceData>
                 && !criteria.getCreatingEntityNames().isEmpty()) {
             creatingEntity = criteria.getCreatingEntityNames().get(0);
         }
-        return ColorMapParameterFactory.build(data.getScalarData().array(),
-                parameter, parameterUnits, level, creatingEntity);
+        ColorMapParameters newParameters = ColorMapParameterFactory.build(data
+                .getScalarData().array(), parameter, parameterUnits, level,
+                creatingEntity);
+        ColorMapParameters oldParameters = this.getCapability(
+                ColorMapCapability.class).getColorMapParameters();
+        if (oldParameters != null
+                && oldParameters.getDataMin() <= newParameters.getDataMin()
+                && oldParameters.getDataMax() >= newParameters.getDataMax()) {
+            // if the oldParameters have a larger range than the new parameters,
+            // reuse the old parameters. This is useful when the resource is
+            // sharing capabilities, for example in an FFGVizGroupResource.
+            newParameters = oldParameters;
+        }
+        return newParameters;
     }
 
     /**