NOAA-GSL · mollybsmith-noaa · Jun 18, 2026 · May 28, 2026 · May 29, 2026 · Jun 2, 2026
diff --git a/MATScommon b/MATScommon
diff --git a/METexpress b/METexpress
diff --git a/apps/airQuality/server/main.js b/apps/airQuality/server/main.js
@@ -708,7 +708,7 @@ const doCurveParams = async function () {
 
       "FAR (False Alarm Ratio)": ["ctc", "x100", 0],
 
-      "Bias (forecast/actual)": ["ctc", "Ratio", 1],
+      "Bias (Forecast / Actual)": ["ctc", "Ratio", 1],
 
       "HSS (Heidke Skill Score)": ["ctc", "x100", 100],
 

diff --git a/apps/cb-metar/server/dataFunctions/data_contour.js b/apps/cb-metar/server/dataFunctions/data_contour.js
@@ -123,7 +123,7 @@ global.dataContour = async function (plotParams) {
   } else {
     // threshold is not an axis param and this is a scalar app
     // so create a dummy threshold for the loop later
-    allThresholds = ["NA"];
+    allThresholds = ["All Data"];
   }
 
   const validTimes = curve["valid-time"] === undefined ? [] : curve["valid-time"];
@@ -135,6 +135,15 @@ global.dataContour = async function (plotParams) {
   ).optionsMap;
   const statType = statisticOptionsMap[variable][statisticSelect][0];
 
+  if (
+    variableValuesMap[queryVariable][1] &&
+    statisticOptionsMap[variable][statisticSelect][0] === "scalar"
+  ) {
+    throw new Error(
+      "INFO:  Plotting thresholded variables (e.g. ceiling, visibility) with scalar statistics (e.g. RMSE, additive bias) is not available for this plot type."
+    );
+  }
+
   let queryTemplate;
   const regionType = curve["region-type"];
   if (regionType === "Select stations") {

diff --git a/apps/cb-metar/server/dataFunctions/data_contour_diff.js b/apps/cb-metar/server/dataFunctions/data_contour_diff.js
@@ -132,7 +132,7 @@ global.dataContourDiff = async function (plotParams) {
     } else {
       // threshold is not an axis param and this is a scalar app
       // so create a dummy threshold for the loop later
-      allThresholds = ["NA"];
+      allThresholds = ["All Data"];
     }
 
     const validTimes = curve["valid-time"] === undefined ? [] : curve["valid-time"];
@@ -145,6 +145,15 @@ global.dataContourDiff = async function (plotParams) {
     [statType] = statisticOptionsMap[variable][statisticSelect];
     allStatTypes.push(statType);
 
+    if (
+      variableValuesMap[queryVariable][1] &&
+      statisticOptionsMap[variable][statisticSelect][0] === "scalar"
+    ) {
+      throw new Error(
+        "INFO:  Plotting thresholded variables (e.g. ceiling, visibility) with scalar statistics (e.g. RMSE, additive bias) is not available for this plot type."
+      );
+    }
+
     let queryTemplate;
     const regionType = curve["region-type"];
     if (regionType === "Select stations") {

diff --git a/apps/cb-metar/server/dataFunctions/data_dailymodelcycle.js b/apps/cb-metar/server/dataFunctions/data_dailymodelcycle.js
@@ -179,7 +179,15 @@ global.dataDailyModelCycle = async function (plotParams) {
     let queryTemplate;
     let sitesList;
     const regionType =
-      filterModelBy === "None" && filterObsBy === "None"
+      filterModelBy === "None" && // not filtering the model by anything
+      filterObsBy === "None" && // not filtering the obs by anything
+      !(
+        // not a thresholded variable that we're forcing into a scalar stat
+        (
+          variableValuesMap[queryVariable][1] &&
+          statisticOptionsMap[variable][statisticSelect][0] === "scalar"
+        )
+      )
         ? curve["region-type"]
         : "Select stations";
     if (curve["region-type"] === "Predefined region") {

diff --git a/apps/cb-metar/server/dataFunctions/data_dieoff.js b/apps/cb-metar/server/dataFunctions/data_dieoff.js
@@ -179,7 +179,15 @@ global.dataDieoff = async function (plotParams) {
     let sitesList;
     let singleCycle;
     const regionType =
-      filterModelBy === "None" && filterObsBy === "None"
+      filterModelBy === "None" && // not filtering the model by anything
+      filterObsBy === "None" && // not filtering the obs by anything
+      !(
+        // not a thresholded variable that we're forcing into a scalar stat
+        (
+          variableValuesMap[queryVariable][1] &&
+          statisticOptionsMap[variable][statisticSelect][0] === "scalar"
+        )
+      )
         ? curve["region-type"]
         : "Select stations";
     if (curve["region-type"] === "Predefined region") {

diff --git a/apps/cb-metar/server/dataFunctions/data_histogram.js b/apps/cb-metar/server/dataFunctions/data_histogram.js
@@ -97,6 +97,15 @@ global.dataHistogram = async function (plotParams) {
     [statType] = statisticOptionsMap[variable][statisticSelect];
     allStatTypes.push(statType);
 
+    if (
+      variableValuesMap[queryVariable][1] &&
+      statisticOptionsMap[variable][statisticSelect][0] === "scalar"
+    ) {
+      throw new Error(
+        "INFO:  Plotting thresholded variables (e.g. ceiling, visibility) with scalar statistics (e.g. RMSE, additive bias) is not available for this plot type."
+      );
+    }
+
     let queryTemplate;
     const regionType = curve["region-type"];
     if (regionType === "Select stations") {

diff --git a/apps/cb-metar/server/dataFunctions/data_series.js b/apps/cb-metar/server/dataFunctions/data_series.js
@@ -180,7 +180,15 @@ global.dataSeries = async function (plotParams) {
     let queryTemplate;
     let sitesList;
     const regionType =
-      filterModelBy === "None" && filterObsBy === "None"
+      filterModelBy === "None" && // not filtering the model by anything
+      filterObsBy === "None" && // not filtering the obs by anything
+      !(
+        // not a thresholded variable that we're forcing into a scalar stat
+        (
+          variableValuesMap[queryVariable][1] &&
+          statisticOptionsMap[variable][statisticSelect][0] === "scalar"
+        )
+      )
         ? curve["region-type"]
         : "Select stations";
     if (curve["region-type"] === "Predefined region") {
+1 −0		meteor_packages/mats-common/imports/startup/api/matsMethods.js
+6 −0		meteor_packages/mats-common/imports/startup/both/mats-curve-params.js
+47 −3		meteor_packages/mats-common/imports/startup/client/curve_util.js
+4 −4		meteor_packages/mats-common/imports/startup/server/data_diff_util.js
+267 −92		meteor_packages/mats-common/imports/startup/server/data_match_util.js
+8 −0		meteor_packages/mats-common/imports/startup/server/data_process_util.js
+433 −332		meteor_packages/mats-common/imports/startup/server/data_query_util.js
+82 −26		meteor_packages/mats-common/imports/startup/server/data_util.js
+17 −14		meteor_packages/mats-common/imports/startup/server/matsMiddle_common.js
+4 −2		meteor_packages/mats-common/imports/startup/server/matsMiddle_dailyModelCycle.js
+4 −2		meteor_packages/mats-common/imports/startup/server/matsMiddle_dieoff.js
+636 −0		meteor_packages/mats-common/imports/startup/server/matsMiddle_simpleScatter.js
+4 −2		meteor_packages/mats-common/imports/startup/server/matsMiddle_timeSeries.js
+4 −2		meteor_packages/mats-common/imports/startup/server/matsMiddle_validTime.js
+2 −0		meteor_packages/mats-common/package.js
+8 −2		meteor_packages/mats-common/public/MATSReleaseNotes.html
+2 −2		meteor_packages/mats-common/public/python/python_ctc_error.py
+15 −2		meteor_packages/mats-common/templates/curves/curve_list.html
+26 −0		meteor_packages/mats-common/templates/curves/curve_list.js
+2 −0		meteor_packages/mats-common/templates/plotType/plot_type.js
+1 −1		MATScommon
+1 −1		apps/met-anomalycor/server/dataFunctions/data_simple_scatter.js
+3 −3		apps/met-cyclone-cb/server/main.js
+5 −5		apps/met-cyclone/server/main.js
+1 −1		apps/met-surface/server/dataFunctions/data_simple_scatter.js
+1 −1		apps/met-upperair/server/dataFunctions/data_simple_scatter.js