| Code/Flag Figure |
Description |
Status |
|
1
|
An error has been detected
|
Operational
|
|
2
|
Message from L1
|
Operational
|
|
3
|
Message from L2
|
Operational
|
|
4
|
Message from ancillary data
|
Operational
|
|
5
|
Message from fitting procedure
|
Operational
|
|
6
|
Reserved
|
Operational
|
|
7
|
Bad L1 or L2 flag raised
|
Operational
|
|
8
|
Level 2 not fully trusted
|
Operational
|
|
9
|
Missing temperature or humidity levels in the vertical profile
|
Operational
|
|
10
|
Missing surface pressure value
|
Operational
|
|
11
|
Radiance filtering
|
Operational
|
|
12
|
Polar regions
|
Operational
|
|
13
|
Location in the night
|
Operational
|
|
14
|
Negative altitude
|
Operational
|
|
15
|
Cloud covered scene
|
Operational
|
|
16
|
Scene above the sea
|
Operational
|
|
17
|
Scene above desert
|
Operational
|
|
18
|
Missing skin temperature
|
Operational
|
|
19
|
Retrieved skin temperature too different from model
|
Operational
|
|
20
|
Spectral line contrast too weak
|
Operational
|
|
21
|
Maximum number of iterations exceeds
|
Operational
|
|
22
|
Negative partial columns
|
Operational
|
|
23
|
Matrix ill conditioned
|
Operational
|
|
24
|
Fit diverged
|
Operational
|
|
25
|
Error in GSL usage
|
Operational
|
|
26
|
Residuals biased
|
Operational
|
|
27
|
Residuals sloped
|
Operational
|
|
28
|
Residuals RMS error is large
|
Operational
|
|
29
|
Weird averaging kernels
|
Operational
|
|
30
|
Ice presence detected
|
Operational
|
|
All 31
|
Missing value
|
Operational
|