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

Table 9 - Suspect radiosondes: 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        : RADIOSONDES 
                    MONITORING CENTRE     : ECMWF
                    ELEMENT MONITORED     : WIND DIRECTION (DEGREES)
                    AREA                  : GLOBAL
                    PERIOD                : JAN 2012
                    STANDARD OF COMPARISON: FIRST-GUESS FIELD


SELECTION CRITERIA: OBSERVED/FORECAST WIND SPEEDS >= 5 M/S
                    NO. OF OBSERVATIONS   >= 5, AND,
                    ABSOLUTE BIAS         >= 10 DEGREES, WITH
                    STANDARD DEVIATION    <  30 DEGREES, AND, 
                    VERTICAL SPREAD       < 10 DEGREES
                    (AVERAGE BETWEEN 500 AND 150 HPA)


WMO	OBS				NUM		MAX
IDENT	TIME	ELM	LAT	LONG	OBS	BIAS	SPREAD	SD


32477	12	DD	54	156	27	19.7	6.3	10.8
32477	00	DD	54	156	28	18.1	3.6	9.7
33791	12	DD	48	33	15	10.0	2.5	15.8
42701	00	DD	23	85	26	-10.7	6.8	18.6

02-02-2012