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Home > Products > Forecasts > Monitoring > ECMWF Global Data Monitoring Report January 2012 > Global monitoring statistics > Data Quality >

Table 6 - Suspect drifters: Wind direction (degrees)

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Figure 1 - Availability - SYNOP PRESSURE

Figure 2 - Availability - DRIFTER PRESSURE

Figure 3 - Availability - TEMP 500 hPa geopotential

Figure 4 - Availability - TEMP/PILOT 300 hPa wind

Figure 5 - Availability - AIRCRAFT winds 300-150 hPa

Figure 6 - Availability - SATOB winds 400-150 hPa

Figure 7 - Availability - SATOB winds 1000-700 hPa

Figure 8 - Availability - NOAA15 ATOVS : AMSU-A

Figure 9 - Availability - NOAA16 ATOVS : AMSU-A

Figure 9.1 - Availability - NOAA18 ATOVS : AMSU-A

Figure 9.2 - Availability - AQUA ATOVS : AMSU-A

Figure 9.3 - Availability - METOP ATOVS : AMSU-A

Table 1 - Suspect ships and fixed marine platforms: Surface pressure - (hPa)

Table 2 - Suspect ships and fixed marine platforms: Wind speed (m/s)

Table 3 - Suspect ships and fixed marine platforms: Wind direction (DEGREES)

Table 4 - Suspect drifters: Surface pressure (HPA)

Table 5 - Suspect drifters: Wind speed (m/s)

Table 6 - Suspect drifters: Wind direction (degrees)

Table 7 - Suspect radiosondes: Geopotential height (metres)

Table 8 - Suspect radiosondes: Wind (m/s)

Table 9 - Suspect radiosondes: Wind direction (degrees)

Figure 10 - Suspect TEMP observations - geopotential : 00 UTC

Figure 11 - Suspect TEMP observations - geopotential : 12 UTC

Figure 12 - Suspect TEMP/PILOT observations - wind : 00 UTC

Figure 13 - Suspect TEMP/PILOT observations - wind : 12 UTC

Table 10 - Radiosonde monitoring statistics (SHIPs): Geopotential height (metres)

Table 11 - Radiosonde monitoring statistics (SHIPs): Wind (m/s)

Figure 14 - SATOB Winds: 700-1000hPa

Figure 15 - SATOB Winds: 150- 400hPa

Figure 16 - SATOB Winds: 700-1000hPa

Figure 17 - SATOB Winds: 150- 400hPa

Figure 18 - AIRCRAFT Winds: 150- 300hPa

Table 12 - Airep Monitoring Statistics For Airline Carriers (Global)

          LIST OF SUSPECT STATIONS        : DRIFTER
                    MONITORING CENTRE     : ECMWF
                    ELEMENT MONITORED     : WIND DIRECTION (DEGREES)
                    PERIOD                : JAN 2012
                    STANDARD OF COMPARISON: FIRST-GUESS FIELD



SELECTION CRITERIA: NO. OF OBS.           >= 20 (WIND SPEEDS > 3M/S), AND ,
                    ABSOLUTE BIAS         >= 20 DEGREES, OR,
                    STANDARD DEVIATION    >= 60 DEGREES
                    (GROSS ERROR LIMIT FOR VECTOR WIND = 25 M/S)


TIME = 99 => AVERAGE OF ALL OBSERVATIONS


WMO	OBS			MEAN	MEAN	NUM	NUM	%
IDENT	TIME	ELM	LEVEL	LAT	LONG	OBS	GROSS	GROSS	SD	BIAS	RMS


23009	99	DIRN	SUR	15	90	124	0	92	72.1	49.6	87.5
31051	99	DIRN	SUR	-25	-45	65	0	2	21.4	-26.4	34.0
31374	99	DIRN	SUR	-29	-47	195	0	21	14.2	-20.8	25.2
41567	99	DIRN	SUR	33	-117	103	170	23	60.0	-21.1	63.7
42376	99	DIRN	SUR	29	-88	56	0	2	26.4	34.9	43.8
44014	99	DIRN	SUR	37	-75	20	0	75	4.8	89.7	89.8
44067	99	DIRN	SUR	38	-77	51	0	16	16.0	-71.1	72.8
46109	99	DIRN	SUR	48	-123	65	0	9	27.7	31.4	41.9
46110	99	DIRN	SUR	48	-123	74	0	3	25.0	42.8	49.6
51308	99	DIRN	SUR	-8	-125	161	0	0	10.7	21.7	24.2

53057	99	DIRN	SUR	-2	90	111	0	99	0.0	-53.8	53.8

02-02-2012