| Code/Flag Figure |
Description |
Status |
|
0
|
HIGH-RESOLUTION DATA SAMPLE
|
|
|
1
|
WITHIN 20 HPA OF SURFACE
|
|
|
2
|
PRESSURE LESS THAN 10 HPA (I.E., 9, 8, 7, ETC.) WHEN NO OTHER REASON APPLIES
|
|
|
3
|
BASE PRESSURE LEVEL FOR STABILITY INDEX
|
|
|
4
|
BEGIN DOUBTFUL TEMPERATURE, HEIGHT DATA
|
|
|
5
|
BEGIN MISSING DATA (ALL ELEMENTS)
|
|
|
6
|
BEGIN MISSING RELATIVE HUMIDITY DATA
|
|
|
7
|
BEGIN MISSING TEMPERATURE DATA
|
|
|
8
|
HIGHEST LEVEL REACHED BEFORE BALLOON DESCENT BECAUSE OF ICING OR TURBULENCE
|
|
|
9
|
END DOUBTFUL TEMPERATURE, HEIGHT DATA
|
|
|
10
|
END MISSING DATA (ALL ELEMENTS)
|
|
|
11
|
END MISSING RELATIVE HUMIDITY DATA
|
|
|
12
|
END MISSING TEMPERATURE DATA
|
|
|
13
|
ZERO DEGREES CELSIUS CROSSING(S) FOR RADAT
|
|
|
14
|
STANDARD PRESSURE LEVEL
|
|
|
15
|
OPERATOR-ADDED LEVEL
|
|
|
16
|
OPERATOR-DELETED LEVEL
|
|
|
17
|
BALLOON RE-ASCENDED BEYOND PREVIOUS HIGHEST ASCENT LEVEL
|
|
|
18
|
SIGNIFICANT RELATIVE HUMIDITY LEVEL
|
|
|
19
|
RELATIVE HUMIDITY LEVEL SELECTION TERMINATED
|
|
|
20
|
SURFACE LEVEL
|
|
|
21
|
SIGNIFICANT TEMPERATURE LEVEL
|
|
|
22
|
MANDATORY TEMPERATURE LEVEL
|
|
|
23
|
FLIGHT TERMINATION LEVEL
|
|
|
24
|
TROPOPAUSE(S)
|
|
|
25
|
AIRCRAFT REPORT
|
|
|
26
|
INTERPOLATED (GENERATED) LEVEL
|
|
|
27
|
MANDATORY WIND LEVEL
|
|
|
28
|
SIGNIFICANT WIND LEVEL
|
|
|
29
|
MAXIMUM WIND LEVEL
|
|
|
30
|
INCREMENTAL WIND LEVEL (FIXED REGIONAL)
|
|
|
31
|
INCREMENTAL HEIGHT LEVEL (GENERATED)
|
|
|
32
|
WIND TERMINATION LEVEL
|
|
|
33
|
PRESSURE 100 TO 110 HPA, WHEN NO OTHER REASON APPLIES
|
|
|
34
|
FREEZING LEVEL BASE
|
|
|
35
|
FREEZING LEVEL TOP
|
|
|
36
|
FLIGHT LEVEL BASE
|
|
|
37
|
FLIGHT LEVEL TOP
|
|
|
40
|
SIGNIFICANT THERMODYNAMIC LEVEL (INVERSION)
|
|
|
41
|
SIGNIFICANT RELATIVE HUMIDITY LEVEL (ACCORDING TO NCDC CRITERIA)
|
|
|
42
|
SIGNIFICANT TEMPERATURE LEVEL (ACCORDING TO NCDC)
|
|
|
43
|
BEGIN MISSING WIND DATA
|
|
|
44
|
END MISSING WIND DATA
|
|
|
60
|
LEVEL OF 80-KNOT ISOTACH ABOVE JET
|
|
|
61
|
LEVEL OF 80-KNOT ISOTACH BELOW JET
|
|
|
62
|
OTHER
|
|
|
63
|
MISSING VALUE
|
|