Interface Output from the NCEP Aircraft Decoder
| Mnemonic | Description | Units | Value |
|---|---|---|---|
| SLAT | Latitude | Degrees | rivals (irslat) |
| SLON | Longitude | Degrees | rivals (irslon) |
| DRCT | Wind direction | Degrees true | rivals (irdrct) |
| SKNT | Wind speed | Knots | rivals (irsknt) |
| TMPC | Temperature | Degrees Celsius | rivals (irtmpc) |
| DWPC | Dewpoint temperature | Degrees Celsius | rivals (irdwpc) |
| RELH | Relative humidity | Percent | rivals (irrelh) |
| SSTC | Sea surface temperature | Degrees Celsius | rivals (irsstc) |
| PMSL | Mean sea level pressure | Millibars | rivals (irpmsl) |
| FLVL | Flight level | Feet | rivals (irflvl) |
| PSAL | Pressure altitude | Feet | rivals (irpsal) |
| POAF | Phase of aircraft flight | WMO BUFR Table 008004 | rivals (irpoaf) |
| ACNS | Aircraft navigation system | WMO Code Table 3866 | rivals (iracns) |
| TADR | Aircraft data relay system | WMO Code Table 3867 | rivals (irtadr) |
| PCAT | Precision of aircraft temperature | WMO Code Table 3868 | rivals (irpcat) |
| MDEVG | Maximum derived equivalent vertical gust speed | Meters/second | rivals (irmdvg) |
| DAYW | Day of the week | WMO Code Table 4900 | rivals (irdayw) |
| VSBY | Visdbility | Miles | rivals (irvsby) |
| YEAR | Report year | Year | rivals (iryear) |
| MNTH | Report month | Month | rivals (irmnth) |
| DAYS | Report day | Day | rivals (irdays) |
| HOUR | Report hour | Hour | rivals (irhour) |
| MINU | Report minute | Minute | rivals (irminu) |
| WDIR1 | Surface wind direction | Degrees true | rivals (irwdr1) |
| WSKT1 | Surface wind speed | Knots | rivals (irwsk1) |
| VSIG | Vertical sounding significance | WMO BUFR Table 008001 | rivals (irvsig) |
| PRES | Pressure | Millibars | rivals (irpres) |
| HGTM | Height | Meters | rivals (irhgtm) |
| NTRB | Number of turbulence levels | Numeric | rivals (irntrb) |
| DGOT | Degree of turbulence | Code Table | rivals (irdgot(1..NTRB)) |
| FQOT | Frequency of turbulence | Code Table | rivals (irfqot(1..NTRB)) |
| TPOT | Type of turbulence | Code Table | rivals (irtpot(1..NTRB)) |
| HBOT | Height of base of turbulence | Feet | rivals (irhbot(1..NTRB)) |
| HTOT | Height of top of turbulence | Feet | rivals (irhtot(1..NTRB)) |
| NICG | Number of icing levels | Numeric | rivals (irnicg) |
| AFIC | Airframe icing | Code Table | rivals (irafic(1..NICG)) |
| TPOI | Type of icing | Code Table | rivals (irtpoi(1..NICG)) |
| HBOI | Height of base of icing | Feet | rivals (irhboi(1..NICG)) |
| HTOI | Height of top of icing | Feet | rivals (irhtoi(1..NICG)) |
| NPWX | Number of present weather levels | Numeric | rivals (irnpwx) |
| WCOD | Weather code | CCITT IA5 | civals (icwcod(1..NPWX)) |
| HBWX | Height of base of weather | Feet | rivals (irhbwx(1..NPWX)) |
| HTWX | Height of top of weather | Feet | rivals (irhtwx(1..NPWX)) |
| NCLD | Number of cloud levels | Numeric | rivals (irncld) |
| CLAM | Cloud amount | WMO BUFR Table 020011 | rivals (irclam(1..NCLD)) |
| CLTP | Cloud type | WMO BUFR Table 020012 | rivals (ircltp(1..NCLD)) |
| HCBF | Height of cloud base | Feet | rivals (irhcbf(1..NCLD)) |
| HCTF | Height of cloud top | Feet | rivals (irhctf(1..NCLD)) |
| ACID | Aircraft identifier | CCITT IA5 | civals (icacid) |
| ACTP | Aircraft type | CCITT IA5 | civals (icactp) |
| RPID | RECCO identifier | CCITT IA5 | civals (icrpid) |
| RSID | PIREP reporting station identifier | CCITT IA5 | civals (icrsid) |
