| 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 |
VOLASH |
| 5 |
Icing Top |
m |
ICIT |
| 6 |
Icing Base |
m |
ICIB |
| 7 |
Icing |
See Table 4.207 | ICI |
| 8 |
Turbulence Top |
m |
TURBT |
| 9 |
Turbulence Base |
m |
TURBB |
| 10 |
Turbulence | See Table 4.208 | TURB |
| 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 | CONTI |
| 14 |
Contrail Engine Type |
See Table 4.211 | CONTET |
| 15 |
Contrail Top |
m |
CONTT |
| 16 |
Contrail Base |
m |
CONTB |
| 17 |
Maximum Snow Albedo* | % | MXSALB |
| 18 |
Snow-Free Albedo | % | SNFALB |
| 19 | Snow Albedo |
% | SALBD |
| 20 | Icing |
% |
ICIP |
| 21 | In-Cloud Turbulence |
% |
CTP |
| 22 | Clear Air Turbulence (CAT) |
% |
CAT |
| 23 | Supercooled Large Droplet (SLD) Probabilitysee note 1 | % |
SLDP |
| 24-191 |
Reserved | ||
| 192-254 |
Reserved
for Local Use |
||
| 192 |
Maximum Snow Albedo | % |
MXSALB |
| 193 |
Snow-Free Albedo | % |
SNFALB |
| 194 |
Slight risk convective outlook |
categorical | SRCONO |
| 195 |
Moderate risk convective outlook |
categorical | MRCONO |
| 196 |
High risk convective outlook |
categorical | HRCONO |
| 197 |
Tornado probability |
% |
TORPROB |
| 198 |
Hail probability | % |
HAILPROB |
| 199 |
Wind probability | % |
WINDPROB |
| 200 |
Significant Tornado probability | % |
STORPROB |
| 201 |
Significant Hail probability | % |
SHAILPRO |
| 202 |
Significant Wind probability | % |
SWINDPRO |
| 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) Icing | See Table 4.207 See 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: * Parameter deprecated - See Regulation 92.6.2 and use another parameter instead. (1) Supercooled large droplets (SLD) are defined as those with a diameter greater than 50 microns. |