UPPER AIR OBSERVATIONS (202602) - 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

REGION AFRICA :

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

REGION ASIA :

IDENTIFIER	OBS_TIME	ELEMENT	LEVEL	LAT	LON	NOBS	BIAS	DISPERSION	SD MAX
41715	6	DD	500-150	28.3	68.5	7	-72.7	0.0	104.9
48568	0	DD	500-150	7.2	100.6	67	-12.4	5.9	24.7

REGION SOUTH AMERICA :

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

REGION NORTH AMERICA, CENTRAL AMERICA AND CARIBBEAN :

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

REGION SOUTH WEST PACIFIC :

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

REGION EUROPE :

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

REGION ANTARCTIC :

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