| Code/Flag Figure |
Description |
Status |
|
0
|
Mean wind speed over a 10-minute period observed or recorded equal to or more than 10 m s-1 or 20 knots
|
Operational
|
|
1
|
Mean wind speed over a 10-minute period observed or recorded equal to or more than 20 m s-1 or 40 knots
|
Operational
|
|
2
|
Mean wind speed over a 10-minute period observed or recorded equal to or more than 30 m s-1 or 60 knots
|
Operational
|
|
3
|
Maximum temperature less than 273.15 K
|
Operational
|
|
4
|
Maximum temperature equal to or more than 298.15 K
|
Operational
|
|
5
|
Maximum temperature equal to or more than 303.15 K
|
Operational
|
|
6
|
Maximum temperature equal to or more than 308.15 K
|
Operational
|
|
7
|
Maximum temperature equal to or more than 313.15 K
|
Operational
|
|
8
|
Minimum temperature less than 273.15 K
|
Operational
|
|
9
|
Maximum temperature equal to or more than 273.15 K
|
Operational
|
|
10
|
Precipitation equal to or more than 1.0 kg m-2
|
Operational
|
|
11
|
Precipitation equal to or more than 5.0 kg m-2
|
Operational
|
|
12
|
Precipitation equal to or more than 10.0 kg m-2
|
Operational
|
|
13
|
Precipitation equal to or more than 50.0 kg m-2
|
Operational
|
|
14
|
Precipitation equal to or more than 100.0 kg m-2
|
Operational
|
|
15
|
Precipitation equal to or more than 150.0 kg m-2
|
Operational
|
|
16
|
Snow depth more than 0.00 m
|
Operational
|
|
17
|
Snow depth more than 0.01 m
|
Operational
|
|
18
|
Snow depth more than 0.10 m
|
Operational
|
|
19
|
Snow depth more than 0.50 m
|
Operational
|
|
20
|
Horizontal visibility less than 50 m
|
Operational
|
|
21
|
Horizontal visibility less than 100 m
|
Operational
|
|
22
|
Horizontal visibility less than 1000 m
|
Operational
|
|
23
|
Hail
|
Operational
|
|
24
|
Thunderstorm
|
Operational
|
|
25-30
|
Reserved
|
Operational
|
|
31
|
Missing value
|
Operational
|