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Home > Products > Forecasts > Monitoring > Global Data Monitoring Report - March 2005 > Global monitoring statistics > Data Quality >

Table 5 - Suspect drifters: Wind speed (M/S)

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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 - NOAA17 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 SPEED (M/S)    
                    AREA                  : GLOBAL
                    PERIOD                : MAR 2005
                    STANDARD OF COMPARISON: FIRST-GUESS FIELD



SELECTION CRITERIA: NO. OF OBS.           >= 20, AND,
                    ABSOLUTE BIAS         >= 5 M/S, OR,
                    % GROSS ERROR         >= 25 
                    (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

41924

99

SPEED

SUR

23

-74

31

11

39

7.0

2.9

7.5

04-04-2005