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GTSPP Data Product Centre for the North Pacific Region hosted by the Japan Meteorological Agency

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Ship Observations Team (SOT)

NORTHEWEST SANDERLING(VNVZ), PX11
Observation period : 2018/2/15 to 2018/2/18

This page shows results for the PX11 line based on monitoring by the NORTHEWEST SANDERLING and comparison with the result of assimilation by MOVE-NP.

Overall statistics

Number of profiles	Number of data	AVE	RMSD	MAXD	MIND
12	3155	-0.23	0.80	2.73	-3.86

Abbreviations in the table indicate:
AVE: average difference (observation value minus assimilation value)
RMSD: root mean square of difference
MAXD: maximum difference
MIND: minimum difference

Statistics for each depth range

Depth range	Number of data	AVE	RMSD	MAXD	MIND
0-50	300	0.06	0.50	0.62	-2.46
50-100	283	-0.70	1.15	1.03	-3.86
100-150	275	-0.46	1.13	2.57	-2.74
150-200	275	-0.11	1.28	2.73	-2.97
200-250	260	0.06	0.74	1.44	-1.35
250-300	250	-0.10	0.85	1.39	-1.92
300-350	250	-0.31	0.75	1.36	-1.92
350-400	250	-0.45	0.48	0.18	-1.80
400-450	233	-0.43	0.40	0.05	-1.44
450-500	200	-0.33	0.32	0.02	-1.16
500-550	80	-0.25	0.26	0.02	-0.93
550-600	80	-0.14	0.20	0.23	-0.62
600-650	80	-0.09	0.19	0.25	-0.41
650-700	79	-0.03	0.16	0.26	-0.28
700-750	70	-0.02	0.15	0.27	-0.22
750-800	70	-0.01	0.14	0.26	-0.20
800-850	68	0.02	0.15	0.25	-0.28
850-900	44	0.10	0.15	0.32	-0.29
900-950	8	0.12	0.05	0.22	0.08
950-1000	0	-	-	-	-

Results of QC

A total of 12 profiles (395 data, reported by BATHY or TESAC) were received from the NORTHEWEST SANDERLING.
The results of JMA quality control are as follows.

Grounded test

Error data: 0 of 395

Position on land test

On land: 0 of 12

Invalid position: 0 of 12

Regional range test

Error data (low): 0 of 395

Error data (high): 0 of 395

Gradient test

Error data: 0 of 395

For details of JMA's quality control procedures, please refer to this page.

Summary of QC

QC detected no unnatural profiles.
There were differences above 2°C between observation data and the results of assimilation at a depth of between 50 and 200m.

Figures

◊Station map	◊Vertical temperature profile Vertical profile of temperature along the observing line of PX11 moved the entire profile by 5 degree Celsius.

◊Vertical observation sections	◊Summary of differences (Obs. - Assim.) by depth Dots and error bars represent the averages and root mean squares of the differences, respectively. Crosses represent the maximum/minimum differences.

◊Vertical sections for the result of assimilation by MOVE-NP	◊Distribution of differences (Obs. - Assim.) by depth

◊Vertical sections of differences (Obs. - Assim.)	◊Distribution of differences (Obs. - Assim.) by temperature