(Class 20 continued) – BUFR CREX TABLE DATA DATA REFERENCE ELEMENT NAME UNIT SCALE REFERENCE WIDTH UNIT SCALE WIDTH F X Y VALUE (Bits) (Characters) 0 20 089 Runway friction coefficient Code table 0 0 7 Code table 0 2 0 20 090 Special clouds Code table 0 0 4 Code table 0 2 0 20 091 Vertical visibility ft 0 10 ft 3 –2 –2 0 20 092 Height of base of cloud ft 0 10 ft 3 –2 –2 0 20 093 Height of inversion m 0 8 m 3 –1 –1 0 20 095 Ice probability Numeric 3 0 10 Numeric 3 4 0 20 096 Ice age ("A" parameter) dB 2 13 dB 2 4 –4096 0 20 101 Locust (acridian) name Code table 0 0 4 Code table 0 2 0 20 102 Locust (maturity) colour Code table 0 0 4 Code table 0 2 0 20 103 Stage of development of locusts Code table 0 0 4 Code table 0 2 0 20 104 Organization state of swarm or Code table 0 0 4 Code table 0 2 band of locusts 0 20 105 Size of swarm or band of locusts Code table 0 0 4 Code table 0 2 and duration of passage of swarm 0 20 106 Locust population density Code table 0 0 4 Code table 0 2 0 20 107 Direction of movements of locust Code table 0 0 4 Code table 0 2 swarm 0 20 108 Extent of vegetation Code table 0 0 4 Code table 0 2 0 20 111 x-axis error ellipse major component m 0 17 m 6 –1 –1 (see Notes 8 and 9) 0 20 112 y-axis error ellipse minor component m 0 17 m 6 –1 –1 (see Notes 8 and 9) 0 20 113 z-axis error ellipse component (see m 0 17 m 6 –1 –1 Note 9) 0 20 114 Angle of x-axis in error ellipse ° 2 16 ° 2 5 –18000 (see Note 10) 0 20 115 Angle of z-axis in error ellipse ° 2 16 ° 2 5 –18000 (see Note 11)
(Class 20 – continued) BUFR CREX TABLE DATA DATA REFERENCE ELEMENT NAME UNIT SCALE REFERENCE WIDTH UNIT SCALE WIDTH F X Y VALUE (Bits) (Characters) 0 20 089 Runway friction coefficient Code table 0 0 7 Code table 0 2 0 20 090 Special clouds Code table 0 0 4 Code table 0 2 0 20 091 Vertical visibility ft –2 0 10 ft –2 3 0 20 092 Height of base of cloud ft –2 0 10 ft –2 3 0 20 093 Height of inversion m –1 0 8 m –1 3 0 20 095 Ice probability Numeric 3 0 10 Numeric 3 4 0 20 096 Ice age ("A" parameter) dB 2 –4096 13 dB 2 4 0 20 101 Locust (acridian) name Code table 0 0 4 Code table 0 2 0 20 102 Locust (maturity) colour Code table 0 0 4 Code table 0 2 0 20 103 Stage of development of locusts Code table 0 0 4 Code table 0 2 0 20 104 Organization state of swarm or band of locusts Code table 0 0 4 Code table 0 2 0 20 105 Size of swarm or band of locusts and duration of passage of swarm Code table 0 0 4 Code table 0 2 0 20 106 Locust population density Code table 0 0 4 Code table 0 2 0 20 107 Direction of movements of locust swarm Code table 0 0 4 Code table 0 2 0 20 108 Extent of vegetation Code table 0 0 4 Code table 0 2 0 20 111 x-axis error ellipse major component (see Notes 8 and 9) m –1 0 17 m –1 6 0 20 112 y-axis error ellipse minor component (see Notes 8 and 9) m –1 0 17 m –1 6 0 20 113 z-axis error ellipse component (see Note 9) m –1 0 17 m –1 6 0 20 114 Angle of x-axis in error ellipse (see Note 10) ° 2 –18000 16 ° 2 5 0 20 115 Angle of z-axis in error ellipse (see Note 11) ° 2 –18000 16 ° 2 5