Tropical Cyclone Model Identifier Legend
Ever wonder what the various model identifiers actually mean? This table, adapated from the NHC's ftp site at ftp://ftp.tpc.ncep.noaa.gov/, will hopefully provide the answers you seek. Note that not all identifiers may be shown on a given map, nor may they all still be in active use. I've tried to pare away those that are no longer in use from the list below. A more relevant "operational" listing may be found at http://www.nhc.noaa.gov/verification/verify6.shtml.
| Identifier | Description | |||||
| OFCL | NHC official forecast | |||||
| OFCI | NHC official forecast (Interpolated 06 hours) | |||||
| OFC2 | NHC official forecast (Interpolated 12 hours) | |||||
| OHPC | HPC official forecast | |||||
| OOPC | OPC official forecast | |||||
| XTRP | Extrapolation using past 12-hr motion | |||||
| CLIP | CLImatology-PERsistance model 3-day | |||||
| CLP5 | CLImatology-PERsistance model 5-day | |||||
| A90E | NHC-90 (early) statistic-dynamic model | |||||
| A90L | NHC-90 (late) statistic-dynamic model | |||||
| A98E | NHC-98 statistic-dynamic model | |||||
| A9UK | NHC-98 (UKMET version) | |||||
| BAMD | Beta and Advection model, deep (NHC) | |||||
| BAMM | Beta and Advection model, medium (NHC) | |||||
| BAMS | Beta and Advection model, shallow (NHC) | |||||
| LBAR | Limited-area Barotropic Model | |||||
| HWRF | HWRF model | |||||
| HWFI | HWRF model (Interpolated 06 hours) | |||||
| HWF2 | HWRF model (Interpolated 12 hours) | |||||
| GFDL | GFDL model | |||||
| GFDI | GFDL model (Interpolated 06 hours) | |||||
| GFD2 | GFDL model (Interpolated 12 hours) | |||||
| GHMI | GFDL model with Intensity adjustment (Interpolated 06 hours) | |||||
| GHM2 | GFDL model with Intensity adjustment (Interpolated 12 hours) | |||||
| GFDT | GFDL using [GFS tracker] | |||||
| GFTI | GFDL using [GFS tracker] (Interpolated 06 hours) | |||||
| GFT2 | GFDL using [GFS tracker] (Interpolated 12 hours) | |||||
| GTSI | GFDL model (Interpolated 06 hours) Test only - DO NOT USE! | |||||
| GTS2 | GFDL model (Interpolated 12 hours) Test only - DO NOT USE! | |||||
| GFDA | GFDL model with Aviation boundary layer parm | |||||
| GFDE | GFDL model with Emmanuel convective parm | |||||
| GFDC | GFDL coupled model | |||||
| GFCI | GFDL coupled model (Interpolated) | |||||
| GFDN | Navy GFDL model | |||||
| GFNI | Navy GFDL model (Interpolated 06 hours) | |||||
| GFN2 | Navy GFDL model (Interpolated 12 hours) | |||||
| ETA | ETA model | |||||
| ETAI | ETA model (Interpolated 06 hours) | |||||
| ETA2 | ETA model (Interpolated 12 hours) | |||||
| NAM | NAM model | |||||
| NAMI | NAM model (Interpolated 06 hours) | |||||
| NAM2 | NAM model (Interpolated 12 hours) | |||||
| NGM | NGM model | |||||
| NGMI | NGM model (Interpolated) | |||||
| AFW1 | MM5 Coarse resolution | |||||
| AF1I | MM5 Coarse resolution (Interpolated 06 hours) | |||||
| AF12 | MM5 Coarse resolution (Interpolated 12 hours) | |||||
| MM36 | Air Force MM5 model | |||||
| M36I | Air Force MM5 model (Interpolated) | |||||
| COCE | COAMPS Carib/E Pacific grid | |||||
| COEI | COAMPS Carib/E Pacific grid (Interpolated 06 hours) | |||||
| COE2 | COAMPS Carib/E Pacific grid (Interpolated 12 hours) | |||||
| COAL | COAMPS Atlantic grid | |||||
| COAI | COAMPS Atlantic grid (Interpolated 06 hours) | |||||
| COA2 | COAMPS Atlantic grid (Interpolated 12 hours) | |||||
| AVNO | GFS Model | |||||
| AVNI | GFS Model (Interpolated 06 hours) | |||||
| AVN2 | GFS Model (Interpolated 12 hours) | |||||
| AP01 | GFS Ensemble +01 member | |||||
| AP02 | GFS Ensemble +02 member | |||||
| AP03 | GFS Ensemble +03 member | |||||
| AP04 | GFS Ensemble +04 member | |||||
| AP05 | GFS Ensemble +05 member | |||||
| AP06 | GFS Ensemble +06 member | |||||
| AP07 | GFS Ensemble +07 member | |||||
| AP08 | GFS Ensemble +08 member | |||||
| AP09 | GFS Ensemble +09 member | |||||
| AP10 | GFS Ensemble +10 member | |||||
| AP11 | GFS Ensemble +11 member | |||||
| AP12 | GFS Ensemble +12 member | |||||
| AP13 | GFS Ensemble +13 member | |||||
| AP14 | GFS Ensemble +14 member | |||||
| AP15 | GFS Ensemble +15 member | |||||
| AP16 | GFS Ensemble +16 member | |||||
| AP17 | GFS Ensemble +17 member | |||||
| AP18 | GFS Ensemble +18 member | |||||
| AP19 | GFS Ensemble +19 member | |||||
| AP20 | GFS Ensemble +20 member | |||||
| AEMN | GFS Ensemble Mean | |||||
| AEMI | GFS Ensemble Mean (Interpolated 06 hours) | |||||
| AEM2 | GFS Ensemble Mean (Interpolated 12 hours) | |||||
| AMMN | GFS New Ensemble Mean | |||||
| UKM | UKMET model (Developmental) | |||||
| UKMI | UKMET model (Interpolated 06 hours) | |||||
| UKM2 | UKMET model (Interpolated 12 hours) | |||||
| EGRR | UKMET model GTS (Official) | |||||
| EGRI | UKMET model GTS (Official - Interpolated 06 hours) | |||||
| EGR2 | UKMET model GTS (Official - Interpolated 12 hours) | |||||
| NGPS | NOGAPS model | |||||
| NGPI | NOGAPS model (Interpolated 06 hours) | |||||
| NGP2 | NOGAPS model (Interpolated 12 hours) | |||||
| NGX | NOGAPS [GFS tracker] | |||||
| NGXI | NOGAPS [GFS tracker] (Interpolated 06 hours) | |||||
| NGX2 | NOGAPS [GFS tracker] (Interpolated 12 hours) | |||||
| CMC | Canadian model | |||||
| CEMN | Canadian model Ensemble Mean | |||||
| ECM | ECMWF model | |||||
| ECMI | ECMWF model (Interpolated 06 hours) | |||||
| ECM2 | ECMWF model (Interpolated 12 hours) | |||||
| EMX | ECMWF model [GFS tracker] | |||||
| EMXI | ECMWF model [GFS tracker] (Interpolated 06 hours) | |||||
| EMX2 | ECMWF model [GFS tracker] (Interpolated 12 hours) | |||||
| EEMN | ECMWF model Ensemble Mean [GFS tracker] | |||||
| ECMO | ECMWF model [GTS tracker] | |||||
| ECOI | ECMWF model [GTS tracker] (Interpolated 06 hours) | |||||
| ECO2 | ECMWF model [GTS tracker] (Interpolated 12 hours) | |||||
| EEMO | ECMWF model Ensemble Mean EPS [GTS tracker] | |||||
| GUNS | Consensus of GFDI, UKMI and NGPI models | |||||
| GUNA | Consensus of AVNI, GFDI, UKMI and NGPI models | |||||
| CGUN | Corrected GUNA Consensus | |||||
| CONU | Consensus of AVNI, GFDI, UKMI, NGPI and GFNI models | |||||
| CONE | Consensus of AVNI, GFDI, UKMI, NGPI, ECMI and GFNI models | |||||
| CCON | Corrected CONU Consensus | |||||
| SHFR | SHIFOR intensity model 3-day | |||||
| SHF5 | SHIFOR intensity model 5-day | |||||
| DSHF | SHIFOR (decay) intensity model | |||||
| SHIP | SHIPS model | |||||
| DSHP | Decay SHIPS model | |||||
| ICON | Intensity Consensus (DSHP+GFDI+HWFI) | |||||
| HCON | Intensity Consensus (GFDI+HWFI+GFNI) | |||||
| MRCL | McAdie Radii CLIPER model | |||||
| MRCI | McAdie Radii CLIPER model (Interpolated) | |||||
| DRCL | DeMaria Radii CLIPER model | |||||
| DRCI | DeMaria Radii CLIPER model (Interpolated) | |||||