9. METplus Statistics & Diagnostics
9.1. Statistics Database
9.1.1. Statistics List AB
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Accuracy 
ACC 
Categorical 
PointStat 
CTS 
Asymptotic 
AFSS 
Neighborhood 
GridStat 
NBRCNT 
Along track error (nm) 
ALTK_ERR 
Continuous 
TCPairs 
TCMPR 
Anomaly Correlation 
ANOM_CORR 
Continuous 
PointStat 
CNT 
Uncentered Anomaly 
ANOM_CORR 
Continuous 
PointStat 
CNT 
Baddeley’s Delta Metric 
BADDELEY 
Distance Map 
GridStat 
DMAP 
Bias Adjusted Gilbert 
BAGSS 
Categorical 
PointStat 
CTS 
Base Rate 
BASER 
Categorical 
PointStat 
CTS 
Biascorrected mean 
BCMSE 
Continuous 
PointStat 
CNT 
Brier Score 
BRIER 
Probability 
PointStat 
PSTD 
Climatological Brier Score 
BRIERCL 
Probability 
PointStat 
PSTD 
Brier Skill Score relative 
BSS 
Probability 
PointStat 
PSTD 
Brier Skill Score relative 
BSS_SMPL 
Probability 
PointStat 
PSTD 
9.1.2. Statistics List CE
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Calibration when forecast 
CALIBRATION 
Probability 
PointStat 
PJC 
Climatological mean value 
CLIMO_MEAN 
Continuous 
PointStat 
MPR 
Climatological standard 
CLIMO_STDEV 
Continuous 
PointStat 
MPR 
Continuous Ranked 
CRPS 
Ensemble 
EnsembleStat 
ECNT 
Continuous Ranked 
CRPS_EMP 
Ensemble 
EnsembleStat 
ECNT 
Climatological Continuous 
CRPSCL 
Ensemble 
EnsembleStat 
ECNT 
Climatological Continuous 
CRPSCL_EMP 
Ensemble 
EnsembleStat 
ECNT 
Continuous Ranked 
CRPSS 
Ensemble 
EnsembleStat 
ECNT 
Continuous Ranked 
CRPSS_EMP 
Ensemble 
EnsembleStat 
ECNT 
Cross track error (nm) 
CRTK_ERR 
Continuous 
TCPairs 
TCMPR 
Critical Success Index 
CSI 
Categorical 
PointStat 
CTS 
Absolute value of 
DIR_ABSERR 
Continuous 
PointStat 
VCNT 
Signed angle between 
DIR_ERR 
Continuous 
PointStat 
VCNT 
Expected correct rate 
EC_VALUE 
Categorical 
PointStat 
MCTC 
Extreme Dependency Index 
EDI 
Categorical 
PointStat 
CTS 
Extreme Dependency Score 
EDS 
Categorical 
PointStat 
CTS 
Mean of absolute value 
EGBAR 
Continuous 
GridStat 
GRAD 
The unperturbed 
ENS_MEAN 
Ensemble 
EnsembleStat 
ORANK 
The PERTURBED ensemble 
ENS_MEAN 
Ensemble 
EnsembleStat 
ORANK 
Standard deviation of 
ESTDEV 
Continuous 
PointStat 
CNT 
9.1.3. Statistics List F
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Forecast rate/event 
F_RATE 
Categorical 
PointStat 
FHO 
Mean forecast wind speed 
F_SPEED 
Continuous 
PointStat 
VL1L2 
Mean Forecast Anomaly 
FABAR 
Continuous 
PointStat 
SAL1L2 
False alarm ratio 
FAR 
Categorical 
PointStat 
CTS 
Forecast mean 
FBAR 
Categorical 
EnsembleStat 
SSVAR 
Length (speed) of the 
FBAR 
Continuous 
PointStat 
VCNT 
Frequency Bias 
FBIAS 
Categorical 
WaveletStat 
ISC 
Fractions Brier Score 
FBS 
Continuous 
GridStat 
NBRCNT 
Direction of the average 
FDIR 
Continuous 
PointStat 
VCNT 
Mean Forecast Anomaly Squared 
FFABAR 
Continuous 
PointStat 
SAL1L2 
Average of forecast 
FFBAR 
Continuous 
EnsembleStat 
SSVAR 
Count of events in 
Fi_Oj 
Categorical 
PointStat 
MCTC 
Forecast mean 
FMEAN 
Continuous 
MODE 
MODE 
Number of forecast no 
FN_ON 
Categorical 
MODE 
MODE 
Number of forecast no 
FN_OY 
Categorical 
MODE 
MODE 
Attributes for pairs of 
FNNN_ONNN 
Categorical 
MODE 
MODE obj 
Average product of 
FOABAR 
Continuous 
PointStat 
SAL1L2 
Average product of 
FOBAR 
Continuous 
EnsembleStat 
SSVAR 
Number of tied forecast 
FRANK_TIES 
Continuous 
PointStat 
CNT 
Root mean square forecast 
FS_RMS 
Continuous 
PointStat 
VCNT 
Fractions Skill Score 
FSS 
Neighborhood 
GridStat 
NBRCNT 
Standard deviation of the 
FSTDEV 
Continuous 
EnsembleStat 
SSVAR 
Number of forecast events 
FY 
Categorical 
GridStat 
DMAP 
Number of forecast yes 
FY_ON 
Categorical 
MODE 
MODE 
Number of forecast yes 
FY_OY 
Categorical 
MODE 
MODE 
9.1.4. Statistics List GM
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Gerrity Score and 
GER 
Categorical 
PointStat 
MCTS 
Gilbert Skill Score 
GSS 
Categorical 
PointStat 
CTS 
Hit rate 
H_RATE 
Categorical 
PointStat 
FHO 
Hanssen and Kuipers 
HK 
Categorical 
MODE 
MODE cts 
Heidke Skill Score 
HSS 
Categorical 
MODE 
MODE cts 
Heidke Skill Score 
HSS_EC 
Categorical 
PointStat 
MCTS 
Ignorance Score 
IGN 
Ensemble 
EnsembleStat 
ECNT 
Interquartile Range 
IQR 
Continuous 
PointStat 
CNT 
Kendall’s tau statistic 
KT_CORR 
Continuous 
PointStat 
CNT 
Likelihood when forecast 
LIKELIHOOD 
Probability 
PointStat 
PJC 
Logarithm of the Odds Ratio 
LODDS 
Categorical 
PointStat 
CTS 
The Median Absolute 
MAD 
Continuous 
PointStat 
CNT 
Mean absolute error 
MAE 
Continuous 
PointStat 
CNT 
Magnitude & 
MBIAS 
Continuous 
EnsembleStat 
SSVAR 
The Mean Error 
ME 
Continuous 
EnsembleStat 
ECNT 
The Mean Error of the 
ME_OERR 
Continuous 
EnsembleStat 
ECNT 
The square of the 
ME2 
Continuous 
PointStat 
CNT 
Meanerror Distance from 
MED_FO 
Distance 
GridStat 
DMAP 
Maximum of MED_FO 
MED_MAX 
Distance 
GridStat 
DMAP 
Mean of MED_FO 
MED_MEAN 
Distance 
GridStat 
DMAP 
Minimum of MED_FO 
MED_MIN 
Distance 
GridStat 
DMAP 
Meanerror Distance from 
MED_OF 
Distance 
GridStat 
DMAP 
Mean squared error 
MSE 
Continuous 
EnsembleStat 
SSVAR 
The mean squared error 
MSESS 
Continuous 
PointStat 
CNT 
Mean squared length of 
MSVE 
Continuous 
PointStat 
VCNT 
9.1.5. Statistics List NO
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Dimension of the 
N_CAT 
Categorical 
PointStat 
MCTC 
Observation rate 
O_RATE 
Categorical 
PointStat 
NBRCNT 
Mean observed wind speed 
O_SPEED_BAR 
Continuous 
PointStat 
VL1L2 
Mean Observation Anomaly 
OABAR 
Continuous 
PointStat 
SAL1L2 
Average observed value 
OBAR 
Continuous 
EnsembleStat 
SSVAR 
Length (speed) of the 
OBAR_SPEED 
Continuous 
PointStat 
VCNT 
Odds Ratio 
ODDS 
Categorical 
MODE 
MODE 
Direction of the average 
ODIR 
Continuous 
PointStat 
VCNT 
Number of observation 
ON_i 
Probability 
PointStat 
PTC 
Number of observation 
ON_TP_i 
Probability 
PointStat 
PJC 
Mean Squared 
OOABAR 
Continuous 
PointStat 
SAL1L2 
Average of observation 
OOBAR 
Continuous 
EnsembleStat 
SSVAR 
Number of tied observation 
ORANK_TIES 
Continuous 
PointStat 
CNT 
Odds Ratio Skill Score 
ORSS 
Categorical 
PointStat 
CTS 
Root mean square observed 
OS_RMS 
Continuous 
PointStat 
VCNT 
Standard deviation 
OSTDEV 
Continuous 
EnsembleStat 
SSVAR 
Number of observation 
OY 
Categorical 
GridStat 
DMAP 
Number of observation yes 
OY_i 
Probability 
PointStat 
PTC 
Number of observation yes 
OY_TP_i 
Probability 
PointStat 
PJC 
9.1.6. Statistics List PR
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Probability Integral 
PIT 
Ensemble 
EnsembleStat 
ORANK 
Probability of false 
PODF 
Categorical 
PointStat 
CTS 
Probability of detecting no 
PODN 
Categorical 
PointStat 
CTS 
Probability of detecting 
PODY 
Categorical 
PointStat 
CTS 
Probability of detecting 
PODY_i 
Categorical 
PointStat 
PRC 
Probability of false 
POFD 
Categorical 
MODE 
MODE 
Probability of false 
POFD_i 
Categorical 
PointStat 
PRC 
Pearson correlation 
PR_CORR 
Continuous 
EnsembleStat 
SSVAR 
Rank of the observation 
RANK 
Ensemble 
EnsembleStat 
ORANK 
Count of observations 
RANK_i 
Ensemble 
EnsembleStat 
RHIST 
Number of ranks used in 
RANKS 
Continuous 
PointStat 
CNT 
Refinement when forecast 
REFINEMENT 
Probability 
PointStat 
PJC 
Reliability 
RELIABILITY 
Probability 
PointStat 
PSTD 
Number of times the ith 
RELP_i 
Ensemble 
EnsembleStat 
RELP 
Resolution 
RESOLUTION 
Probability 
PointStat 
PSTD 
Root mean squared error 
RMSE 
Continuous 
PointStat 
CNT 
Root Mean Square Error 
RMSE_OERR 
Continuous 
EnsembleStat 
ECNT 
Root mean squared forecast 
RMSFA 
Continuous 
PointStat 
CNT 
Root mean squared 
RMSOA 
Continuous 
PointStat 
CNT 
Square root of MSVE 
RMSVE 
Continuous 
PointStat 
VCNT 
Area under the receiver 
ROC_AUC 
Probability 
PointStat 
PSTD 
Mean of the Brier Scores 
RPS 
Ensemble 
EnsembleStat 
RPS 
Mean of the reliabilities 
RPS_REL 
Ensemble 
EnsembleStat 
RPS 
Mean of the resolutions 
RPS_RES 
Ensemble 
EnsembleStat 
RPS 
Mean of the uncertainties 
RPS_UNC 
Ensemble 
EnsembleStat 
RPS 
Ranked Probability Skill 
RPSS 
Ensemble 
EnsembleStat 
RPS 
Ranked Probability Skill 
RPSS_SMPL 
Ensemble 
EnsembleStat 
RPS 
9.1.7. Statistics List ST
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

S1 score 
S1 
Continuous 
GridStat 
GRAD 
S1 score with respect to 
S1_OG 
Continuous 
GridStat 
GRAD 
Symmetric Extremal 
SEDI 
Categorical 
PointStat 
CTS 
Symmetric Extreme 
SEDS 
Categorical 
PointStat 
CTS 
Scatter Index 
SI 
Continuous 
PointStat 
CNT 
Spearman’s rank 
SP_CORR 
Continuous 
PointStat 
CNT 
Absolute value of SPEED_ERR 
SPEED 
Continuous 
PointStat 
VCNT 
Difference between the 
SPEED_ERR 
Continuous 
PointStat 
VCNT 
Standard deviation 
SPREAD 
Ensemble 
EnsembleStat 
ECNT 
Standard deviation 
SPREAD_OERR 
Ensemble 
EnsembleStat 
ECNT 
Standard Deviation 
SPREAD_PLUS 
Ensemble 
EnsembleStat 
ECNT 
Track error of adeck 
TK_ERR 
Continuous 
TCPairs 
PROBRIRW 
Track error of adeck 
TK_ERR 
Continuous 
TCPairs 
TCMPR 
9.1.8. Statistics List UZ
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Mean Ucomponent 
UFABAR 
Continuous 
PointStat 
VAL1L2 
Mean Ucomponent 
UFBAR 
Continuous 
PointStat 
VL1L2 
Uniform Fractions Skill 
UFSS 
Neighborhood 
GridStat 
NBRCNT 
Variability of 
UNCERTAINTY 
Probability 
PointStat 
PSTD 
Mean Ucomponent 
UOABAR 
Continuous 
PointStat 
VAL1L2 
Mean Ucomponent 
UOBAR 
Continuous 
PointStat 
VL1L2 
Mean Ucomponent 
UVFFABAR 
Continuous 
PointStat 
VAL1L2 
Mean Ucomponent 
UVFFBAR 
Continuous 
PointStat 
VL1L2 
Mean((ufuc)*(uouc)+ 
UVFOABAR 
Continuous 
PointStat 
VAL1L2 
Mean(uf*uo+vf*vo) 
UVFOBAR 
Continuous 
PointStat 
VL1L2 
Mean((uouc)²+(vovc)²) 
UVOOABAR 
Continuous 
PointStat 
VAL1L2 
Mean(uo²+vo²) 
UVOOBAR 
Continuous 
PointStat 
VL1L2 
Economic value of the 
VALUE_BASER 
Probability 
PointStat 
ECLV 
Relative value for the 
VALUE_i 
Probability 
PointStat 
ECLV 
Maximum variance 
VAR_MAX 
Ensemble 
EnsembleStat 
SSVAR 
Average variance 
VAR_MEAN 
Ensemble 
EnsembleStat 
SSVAR 
Minimum variance 
VAR_MIN 
Ensemble 
EnsembleStat 
SSVAR 
Direction of the vector 
VDIFF_DIR 
Continuous 
PointStat 
VCNT 
Length (speed) of the 
VDIFF_SPEED 
Continuous 
PointStat 
VCNT 
Mean(vfvc) 
VFABAR 
Continuous 
PointStat 
VAL1L2 
Mean(vf) 
VFBAR 
Continuous 
PointStat 
VL1L2 
Mean(vovc) 
VOABAR 
Continuous 
PointStat 
VAL1L2 
Mean(vo) 
VOBAR 
Continuous 
PointStat 
VL1L2 
9.2. Diagnostics Database
9.2.1. Diagnostics List AB
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Difference between the axis 
ANGLE_DIFF 
Diagnostic 
MODE 
MODE 
Object area (in grid squares) 
AREA 
Diagnostic 
MODE 
MODE obj 
Forecast object area 
AREA_RATIO 
Diagnostic 
MODE 
MODE obj 
Area of the object 
AREA_THRESH 
Diagnostic 
MODE 
MODE obj 
Absolute value of 
ASPECT_DIFF 
Diagnostic 
MODE 
MODE obj 
Object axis angle 
AXIS_ANG 
Diagnostic 
MODE 
MTD obj 
Difference in spatial 
AXIS_DIFF 
Diagnostic 
MTD 
MTD obj 
Blocking Index 
Blocking 
Diagnostic 
METplus Use 
n/a 
Minimum distance between 
BOUNDARY 
Diagnostic 
MODE 
MODE obj 
9.2.2. Diagnostics List CE
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Total great circle distance 
CDIST 
Diagnostic 
MTD 
MTD 3D obj 
Distance between two 
CENTROID 
Diagnostic 
MODE 
MODE obj 
Latitude of centroid 
CENTROID 
Diagnostic 
MTD 
MTD 2D & 3D obj 
Longitude of centroid 
CENTROID 
Diagnostic 
MTD 
MTD 2D & 3D obj 
Time coordinate of centroid 
CENTROID_T 
Diagnostic 
MTD 
MTD 3D obj 
X coordinate of centroid 
CENTROID_X 
Diagnostic 
MTD 
MTD 2D & 3D obj 
Y coordinate of centroid 
CENTROID_Y 
Diagnostic 
MTD 
MTD 2D & 3D obj 
SpaceTime 
Coherence 
Diagnostic 
METplus 
n/a 
Ratio of the difference 
COMPLEXITY 
Diagnostic 
MODE 
MODE obj 
Ratio of complexities of 
COMPLEXITY 
Diagnostic 
MODE 
MODE obj 
Minimum distance between 
CONVEX_HULL 
Diagnostic 
MODE 
MODE obj 
Radius of curvature 
CURVATURE 
Diagnostic 
MODE 
MODE obj 
Ratio of the curvature 
CURVATURE 
Diagnostic 
MODE 
MODE obj 
Center of curvature 
CURVATURE 
Diagnostic 
MODE 
MODE obj 
Center of curvature 
CURVATURE 
Diagnostic 
MODE 
MODE obj 
Cloud Water / 
CW/Precip 
Diagnostic 
GridDiag 
n/a 
Difference in object 
DIRECTION 
Diagnostic 
MTD 
MTD 3D obj 
Difference in the 
DURATION 
Diagnostic 
MTD 
MTD 3D obj 
Object end time 
END_TIME 
Diagnostic 
MTD 
MTD 3D obj 
Difference in object 
END_TIME 
Diagnostic 
MTD 
MTD 3D obj 
9.2.3. Diagnostics List F
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Number of forecast 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Number of points used to 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Forecast Cluster Convex 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Forecast Cluster Convex 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Number of Forecast 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Forecast Cluster Convex 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Forecast Cluster Convex 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Forecast Cluster Convex 
FCST_CLUS 
Diagnostic 
MODE 
MODE obj 
Forecast Object Raw 
FCST_OBJ 
Diagnostic 
MODE 
MODE obj 
Number of simple 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of points used 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of Forecast 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of points used to 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple Convex 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple Convex 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of Forecast 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple Convex 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple Convex 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Forecast Simple Convex 
FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of thresholds 
FCST 
Diagnostic 
MODE 
MODE obj 
Number of thresholds 
FCST_THRESH 
Diagnostic 
MODE 
MODE obj 
Forecast energy squared 
FENERGY 
WaveletStat 
ISC 

Mean of absolute value 
FGBAR 
GridStat 
GRAD 

Ratio of forecast and 
FGOG_RATIO 
GridStat 
GRAD 

Pratt’s Figure of Merit 
FOM_FO 
Diagnostic 
GridStat 
DMAP 
Maximum of FOM_FO 
FOM_MAX 
Diagnostic 
GridStat 
DMAP 
Mean of FOM_FO 
FOM_MEAN 
Diagnostic 
GridStat 
DMAP 
Minimum of FOM_FO 
FOM_MIN 
Diagnostic 
GridStat 
DMAP 
Pratt’s Figure of Merit 
FOM_OF 
Diagnostic 
GridStat 
DMAP 
9.2.4. Diagnostics List GL
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Distance between the 
GEN_DIST 
Diagnostic 
TCGen 
GENMPR 
Forecast minus Best track 
GEN_TDIFF 
Diagnostic 
TCGen 
GENMPR 
Hausdorff Distance 
HAUSDORFF 
Diagnostic 
GridStat 
DMAP 
Hovmoeller Diagram 
Hovmoeller 
Diagnostic 
METplus 
n/a 
Best track genesis minus 
INIT_TDIFF 
Diagnostic 
TCGen 
GENMPR 
10th, 25th, 50th, 75th, 
INTENSITY 
Diagnostic 
MODE 
MODE obj 
Sum of the intensities of 
INTENSITY 
Diagnostic 
MODE 
MODE obj 
Total interest for this 
INTEREST 
Diagnostic 
MTD 
MTD 3D obj 
Intersection area of two 
INTERSECT 
Diagnostic 
MODE 
MODE obj 
Ratio of intersection area 
INTERSECT 
Diagnostic 
MODE 
MODE obj 
“Volume” of object 
INTERSECT 
Diagnostic 
MTD 
MTD 3D obj 
The intensity scale 
ISC 
WaveletStat 
ISC 

The scale at which all 
ISCALE 
WaveletStat 
ISC 

Joint Probability 
Joint PDF 
Diagnostic 
GridDiag 
n/a 
Dimension of the latitude 
LAT 
Diagnostic 
MODE 
MODE obj 
Length of the 
LENGTH 
Diagnostic 
MODE 
MODE obj 
Dimension of the longitude 
LON 
Diagnostic 
MODE 
MODE obj 
9.2.5. Diagnostics List MO
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Meridional Means 
Meridional Means 
Diagnostic 
METplus Use Case 
n/a 
Mean of maximum of 
MGBAR 
GridStat 
GRAD 

Number of cluster objects 
N_CLUS 
Diagnostic 
MODE 
MODE obj 
Number of simple 
N_FCST_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of simple 
N_OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of observed 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Number of points used to 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Observation Cluster Convex 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Observation Cluster Convex 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Number of Observation 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Observation Cluster Convex 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Observation Cluster Convex 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Observation Cluster Convex 
OBS_CLUS 
Diagnostic 
MODE 
MODE obj 
Number of simple 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of points used 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Observation Simple 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Observation Simple 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of Observation 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of points used to 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Number of Observation 
OBS_SIMP 
Diagnostic 
MODE 
MODE obj 
Observed energy squared 
OENERGY 
WaveletStat 
ISC 

Mean of absolute value 
OGBAR 
GridStat 
GRAD 

OLRbased MJO Index 
OMI 
Diagnostic 
METplus 
n/a 
9.2.6. Diagnostics List PZ
Statistics 
METplus Name 
Statistic Type 
Tools 
METplus 

Ratio of the nth percentile 
PERCENTILE 
Diagnostic 
MODE 
MODE obj 
Phase Diagram 
Phase 
Diagnostic 
METplus 
n/a 
Realtime Multivariate 
RMM 
Diagnostic 
METplus 
n/a 
Spatial distance between 
SPACE 
Diagnostic 
MTD 
MTD 3D obs 
Difference in object speeds 
SPEED_DELTA 
Diagnostic 
MTD 
MTD 3D obs 
Difference in object 
START_TIME 
Diagnostic 
MTD 
MTD 3D obj 
Symmetric difference of 
SYMMETRIC 
Diagnostic 
MODE 
MODE obj 
Difference in t index of 
TIME 
Diagnostic 
MTD 
MTD 3D obj 
Union area of 
UNION_AREA 
Diagnostic 
MODE 
MODE obj 
Integer count of the 
VOLUME 
Diagnostic 
MTD 
MTD 3D obj 
Forecast object volume 
VOLUME 
Diagnostic 
MTD 
MTD 3D obj 
Weather Regime Index 
Weather 
Diagnostic 
METplus 
n/a 
Width of the enclosing 
WIDTH 
Diagnostic 
MODE 
MODE obj 
X component of 
X_DOT 
Diagnostic 
MTD 
MTD 3D obj 
X component position 
X_ERR 
Diagnostic 
TCPairs 
PROBRIRW 
X component position 
X_ERR 
Diagnostic 
TCPairs 
TCMPR 
y component of 
Y_DOT 
Diagnostic 
MTD 
MTD 3D obj 
Y component position 
Y_ERR 
Diagnostic 
TCPairs 
PROBRIRW 
Zonal Means 
Zonal Means 
Diagnostic 
METplus 
n/a 
Zhu’s Measure from 
ZHU_FO 
Diagnostic 
GridStat 
DMAP 
Maximum of ZHU_FO 
ZHU_MAX 
Diagnostic 
GridStat 
DMAP 
Mean of ZHU_FO 
ZHU_MEAN 
Diagnostic 
GridStat 
DMAP 
Minimum of ZHU_FO 
ZHU_MIN 
Diagnostic 
GridStat 
DMAP 
Zhu’s Measure from 
ZHU_OF 
Diagnostic 
GridStat 
DMAP 