UPPER AIR OBSERVATIONS (202504) - PILOT

WIND DIRECTION
GROSS ERROR LIMIT	SELECTION CRITERIA	MONITORED LEVELS	OBSERVATION TIMES
Defined in appendix	NOBS >= 5 (wind speed >= 3 m/s) AND AVERAGED \|BIAS\| >= 10° with MAX SD < 30 ° and MAX SPREAD < 10°	Standard levels between 500 - 150 hPa	00,06,12 and 18 UTC

WMO REGION 1 :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
NONE

WMO REGION 2 :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
48327	12	DD	500-150	18.8	99.0	63	-12.6	8.4	22.9

WMO REGION 3 :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
NONE

WMO REGION 4 :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
NONE

WMO REGION 5 :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
NONE

WMO REGION 6 :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
NONE

ANTARCTIC :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
NONE