Number (Section 4, octet 11) |
Parameter | Units |
Abbrev |
---|---|---|---|
0 |
Visibility |
m |
VIS |
1 |
Albedo |
% |
ALBDO |
2 |
Thunderstorm Probability |
% |
TSTM |
3 |
Mixed Layer Depth |
m |
MIXHT |
4 |
Volcanic Ash |
See Table
4.206 |
- |
5 |
Icing Top |
m |
- |
6 |
Icing Base |
m |
- |
7 |
Icing |
See Table 4.207 | - |
8 |
Turbulence Top |
m |
- |
9 |
Turbulence Base |
m |
- |
10 |
Turbulence | See Table 4.208 | - |
11 |
Turbulent Kinetic Energy |
J kg-1 |
TKE |
12 |
Planetary Boundary Layer Regime |
See Table 4.209 | PBLREG |
13 |
Contrail Intensity |
See Table 4.210 | - |
14 |
Contrail Engine Type |
See Table 4.211 | - |
15 |
Contrail Top |
m |
- |
16 |
Contrail Base |
m |
- |
17 |
Maximum Snow Albedo | % | MXSALB |
18 |
Snow-Free Albedo | % | SNFALB |
19 | Snow Albedo |
% | SALBD |
20-191 |
Reserved | ||
192-254 |
Reserved
for Local Use |
||
192 |
Maximum Snow Albedo | % |
MXSALB |
193 |
Snow-Free Albedo | % |
SNFALB |
194 |
Slight risk convective outlook
|
categorical | - |
195 |
Moderate risk convective outlook |
categorical | - |
196 |
High risk convective outlook |
categorical | - |
197 |
Tornado probability |
% |
- |
198 |
Hail probability | % |
- |
199 |
Wind probability | % |
- |
200 |
Significant Tornado probability | % |
- |
201 |
Significant Hail probability | % |
- |
202 |
Significant Wind probability | % |
- |
203 |
Categorical
Thunderstorm (1-yes, 0-no) |
categorical | TSTMC |
204 |
Number of mixed layers next to surface | integer | MIXLY |
205 | Flight
Category |
FLGHT | |
206 | Confidence - Ceiling |
CICEL | |
207 | Confidence - Visibility |
CIVIS | |
208 | Confidence - Flight Category |
CIFLT | |
209 | Low-Level aviation interest |
LAVNI | |
210 | High-Level aviation interest |
HAVNI | |
211 | Visible,
Black Sky Albedo |
% |
SBSALB |
212 | Visible,
White Sky Albedo |
% |
SWSALB |
213 | Near IR,
Black Sky Albedo |
% |
NBSALB |
214 | Near IR,
White Sky Albedo |
% |
NWSALB |
215 | Total Probability of
Severe Thunderstorms (Days 2,3) |
% |
PRSVR |
216 | Total Probability of Extreme Severe Thunderstorms (Days 2,3) | % |
PRSIGSVR |
217 | Supercooled Large Droplet (SLD) Potential | NumericSee Note (1) | SIPD |
218 |
Radiative emissivity |
EPSR | |
219 |
Turbulence Potential Forecast
Index |
TPFI | |
220-231 |
Reserved | ||
232 | Volcanic Ash Forecast
Transport and Dispersion |
log10(kg/m3) |
VAFTD |
255 |
Missing |
Notes: (1) A value of -0.1 indicates "icing was present, but there was not enough information to determine whether SLD were present". |