| Year | Type | Model | Horizontal Resolution | Layers | Domain | Forecast Length | Documentation | Bye | #/day |
| 1955 | R | Baroclinic | 300 km | 3 | US | 36-h | NAVAER | 10/1957 | 1 |
| 1955 | R | Barotropic | 600 km | 1 | N. America+ | 72-h | 10/1057 | 1 | |
| 1956 | R | Thermtropic | 375 km | 2 | N. America | 36-h | 10/1957 | 1 | |
| 1971 | R | Limited-Area Fine Mesh (LFM) | 190.5 km | 6 | N. America | 24-h | NWS TPB #67 | 2/1996 (1975) | 2 |
| 1975 | R | LFM | 190.5 km | 6 | N. America | 36-h | NWS TPB #129 | 2/1996 (1976) | 2 |
| 1976 | R | LFM | 190.5 km | 6 | N. America | 48-h | NWS TPB #162 | 2/1996 (3/1979) | 2 |
| 1979 | R | LFM-II | 127 km | 7 | N. America | 48-h | NWS TPB #255 | 2/1996 (1981) | 2 |
| 1981 | R | LFM-II 4th order | 190.5 km | 7 | N. America | 48-h | NWS TPB #300 | 2/1996 | 2 |
| 1985 | R | Nested Grid Model (NGM) | 80 km | 16 | N. America | 48-h | Hoke et al 1985 WAF | 3/2009 | 2 |
| 1993 | R | Eta Step-Mountain Coordinate model ("Early Eta") | 80 km | 38 | N. America | 48-h | NWS TPB #412 | 1/2005 (1995) | 2 |
| 1994 | R | Rapid Update Cycle (RUC) | 60 km | 25 | CONUS | 12-h | NWS TPB #416 | 5/2012 (1998) | 8 |
| 1995 | R | Meso-Eta | 29 km | 50 | CONUS | 33-h (03, 15Z) | Black, 1994 WAF | 6/1998 | 2 |
| 1995 | R | Eta model ("Early Eta") | 48 km | 38 | N. America | 48-h | Rogers eta al 1996 WAF | 6/2006 (1998) | 2 |
| 1997 | R | Regional Spectral Model (RSM) | 10 km | 28 | Hawaii | 48-h | NWS TPB #444 | 9/2011 | 2 |
| 1998 | R | Eta Step-Mountain Coordinate ("Early Eta") | 32 km | 45 | N. America | 48-h (00z, 12z); 33-h (03z); 30-h (18z) | NWS TPB #447 | 1/2005 (1999) | 4 |
| 1998 | R | RUC | 40 km | 40 | CONUS | 12-h (every 3h); 1-h (other cycles | NWS TPB #448 | 5/2012 (2002) | 24 |
| 1999 | R | Eta Step-Mountain Coordinate (Early Eta) | 32 km | 45 | N. America | 48-h | 1/2005 (2000) | 4 | |
| 2000 | R | NGM; Eta anl used for IC instead of RDAS | 80 km | 16 | N. America | 48-h | NWS TPB #464 | 3/2009 | 2 |
| 2000 | R | Eta Step-Mountain Coordinate model ("Early Eta") | 22 km | 50 | N. America | 60-h (00,12z); 48-h (06,18z) | NWS TPB | 1/2005 (2002) | 4 |
| 2001 | R+E | Short-Range Ensemble Forecast System (SREF) | 48 km | 45 (Eta)/28 (RSM) | N. America | 63-h; 15 members (10 Eta, 5 RSM) | Still (2005) | 4 | |
| 2001 | R | High-Resolution Window (Hiresw) | 10 km | 50 | 5 Eta model domains: East/West/Cent CONUS; AK, HI | 48-h | Still (2003) | 1 | |
| 2001 | R | Eta Step-Mountain Model | 12 km | 60 | N. America | 84-h (00/12z); 48-h (06/18z) | EMC Doc | 1/2005 (2003) | 4 |
| 2002 | R | Rapid Update Cycle (RUC) | 20 km | 50 | CONUS | 12-h (every 3h); 1-h (other cycles | NWS TPB #490 | 5/2012 (2005) | 24 |
| 2002 | R | High-Resolution Window (HiResW) | 8 km | 60 | East/West/Cent. CONUS, AK, HI, Non-hydrostatic Meso Model (NMM) replaces Eta model | 48-h | EMC Doc | Still (2004) | 4 |
| 2003 | R | Eta Step-Mountain Coordinate | 12 km | 60 | N. America | 84-h (all 4 cycles) | 1/2005 | 4 | |
| 2004 | R | Downscaled GFS with Eta Extension (DGEX) | 12 km | 60 | CONUS and Alaska | 84-192 h | 3/2017 (2006) | 2 | |
| 2004 | R | CMAQ (Air Quality model) | 12 km | 22 | NE CONUS | 48-h | EMC Doc | 8/2005 | 2 (06z, 12z) |
| 2004 | R | High-Resolution Window (HiResW) | 8 km | 60 | East/West/Central CONUS, AK, HI, PR; NMM replaced by WRF-NMM and WRF-ARW | 48-h | EMC Doc | Still (2007) | 4 |
| 2005 | R | North American Mesoscale (NAM, formerly Eta) | 12 km | 60 | N. America | 84-h | EMC Doc | Still (2006) | 4 |
| 2005 | R | CMAQ | 12km | 22 | Eastern CONUS | 48-h | 9/2007 | 2 (06z, 12z) | |
| 2005 | R+E | SREF; Eta/RSM | 32 km (Eta, RSM) | 60 (Eta); 28 (RSM) | N. America | 87-h; 15 mbrs (10 Eta, 5 RSM) | Still (2006) | 2 | |
| 2005 | R+E | SREF; Eta/RSM, add WRF-NMM/ARW | 32 km (Eta, RSM), 40 km (WRF-NMM); 45km (WRF-ARW) | 60 (Eta); 28 (RSM); 50 (WRF-NMM); 35 (WRF-ARW) | N. America | 87-h; 21 mbrs (10 Eta, 5 RSM, 3 NMM, 3 ARW) | EMC Doc | Still (2006) | 2 |
| 2005 | R | RUC | 13 km | 50 | CONUS | 12-h (every 3h); 1-h (other cycles | 5/2012 (2010) | 24 | |
| 2006 | R | NAM; WRF-NMM replaces Eta model | 12km | 60 | N. America | 84-h | NWS TIN | Still (2008) | 4 |
| 2006 | R | DGEX; WRF-NMM replaces Eta model | 12km | 60 | CONUS+AK | NAM extention; 84-192h | NWS TIN | 3/2017 (2011) | 2 for each domain |
| 2006 | R+E | SREF | Variable 32-48 km | Variable 35 to 60 | N. America | 87h | Still (2012) | 4 (03,09,15,21z) | |
| 2006 | R | RTMA (Real-time Mesoscale Analysis) | 5 km | N.A | CONUS | N.A. | NWS TIN | Still (2008) | 24 |
| 2007 | R | HiResW | 4 km (NMM) 5 km (ARW) | 35 | West/East CONUS, AK, HI, PR | 48h | EMC Doc | Still (2011) | 4 |
| 2007 | R | CMAQ | 12km | 22 | CONUS | 48h | NWS TIN | Still (2016) | 2 (06z, 12z) |
| 2008 | R | NAM | 12km (expanded domain) | 60 | N. America | 84h | NWS TIN | Still (2011) | 4 |
| 2008 | R | RTMA | 5 km | N.A | CONUS+AK+HI+PR | N.A. | NWS TIN | Still (2011) | 24 |
| 2009 | R+E | SREF (ARW, NMMB) | Variable 32-35km | Variable 35 to 60 | N. America | 87h, 21 mbrs (10 WRF, 6 Eta, 5 RSM) | NWS TIN | Still (2012) | 4 (03,09,15,21z) |
| 2010 | R | RUC | 13km | 50 | CONUS | 18-h | NWS TIN | 5/2012 | 24 |
| 2011 | R | "CCPA (Climatologically Calibrated Precipitation Analysis " | 5 km HRAP grid | NA | CONUS | NA | NWS TIN | Still (2020) | 4 |
| 2011 | R | RTMA | 5 km (2.5 km for Guam, add 2.5 km for CONUS) | N.A | CONUS+AK+HI+PR+Guam | N.A. | NWS TIN | Still (2014) | 24 |
| 2011 | R | HiResW | 4.0km (NMM), 5.1km (ARW) | 35 | CONUS+AK+HI+PR+Guam | 48h | NWS TIN | Still (2014) | 2 |
| 2011 | R | NAM (NEMS-NMMB replaces WRF-NMM) | 12km (N.Amer); 6 km (AK nest); 4 km (CONUS nest); 3 km (HI/PR nest), 1.33 or 1.5 km (FW nest) | 60 | CONUS parent, Alaska/CONUS/AK/PR/Fire wx nests | 84h (12km), 60 h (all nests except FW); 36-h (FW nest) | NWS TIN | Still (2014) | 4 |
| 2011 | R | DGEX; NEMS-NMMB replaced WRF-NMM | 12km | 60 | CONUS+AK | NAM extention; 84-192h | NWS TIN | 3/2017 | 2 for each domain |
| 2012 | R | RAP (replaces RUC) | 13 km | 50 | N. America | 18-h | NWS TIN | Still (2016) | 24 |
| 2012 | R+E | SREF (NMM, ARW, NMMB) | 16 km | 35 | N. America | 87h, 21 mbrs (7 each for ARW, NMM, NMMB) | NWS TIN | Still (2015) | 4 (03,09,15,21z) |
| 2014 | R | NAM (RRTM Radiation, Explicit Convection, F-A Microphysics, GWD) | 12km (N.Amer); 6 km (AK nest); 4 km (CONUS nest); 3 km (HI/PR nest), 1.33 or 1.5 km (FW nest) | 60 | CONUS parent, Alaska, CONUS, HI, PR, Fire wx nests | 84h (12km), 60 h (all nests except FW); 36-h (FW nest) | NWS TIN | Still (2017) | 4 |
| 2014 | R | RTMA, URMA (Unrestricted Mesoscale Analysis) | 2.5 km for all but 3 km for Alaska | N.A | RTMA: CONUS+AK+HI+PR+Guam; URMA (CONUS only) | N.A. | NWS TIN | Still (2015) | 24 |
| 2014 | R | NLDAS (Regional Land-sfc Assim. System) | 0.125 deg | 4 | CONUS | N.A. | EMC Doc | Still | 1 (12z) |
| 2014 | R | HiResW | 3-4.2 km (NMMB, ARW) | 40 | CONUS+AK+HI+PR+Guam | 48h | NWS TIN | Still (2015) | 4 |
| 2014 | R | HRRR | 3km | 50 | CONUS | 15h | NWS TIN | Still (2016) | 24 |
| 2015 | R+E | HiResW, add HREF (hi-res ensemble using HiResW and NAM nest) | 3-4.2 km | 50 | CONUS,AK,HI,PR,Guam; HREF is CONUS-only | 48h (36h for HREF) | NWS TIN | Still (2017) | 4 |
| 2015 | R+E | SREF (NMMB, ARW) | 13 km | 40 | N. America | 87h, 26 mbrs (13 ARW, 13 NMMB) | NWS TIN | Still | 4 |
| 2016 | R | RTMA, URMA | 2.5 km, 3 km for Alaska | N.A. | RTMA, URMA : CONUS, AK; RTMA only : HI, PR, Guam | N.A. | NWS TIN | Still (2016) | 24 |
| 2016 | R | CMAQ | 12km | 35 | CONUS | 48h | NWS TIN | Still (2018) | 2 |
| 2016 | R | RAP | 12km (expanded domain) | 50 | N. America | 21h | NWS TIN | Still (2018) | 24 |
| 2016 | R | HRRR | 3km | 50 | CONUS | 18h | NWS TIN | Still (2018) | 24 |
| 2016 | R | RTMA, URMA | 2.5 km, 3 km for Alaska | N.A. | CONUS, AK, HI, PR, Guam (RTMA only) | N.A. | NWS TIN | Still (2017) | 24 |
| 2017 | R | NAM | 12km (N.Amer); 3 km (CONUS, AK, HI nests, 1.5 km (FW nest) | 60 | CONUS parent, Alaska/CONUS/AK/PR/Fire wx nests | 84/60/36h | NWS TIN | Still | 4 |
| 2017 | R+E | HiResW, HREF (ensemble using HiResW and NAM nest) | 3.2 km; models=NMMB, ARW, ARW2 (2nd ARW run) | 50 | CONUS,AK,HI,PR,Guam; HREF for all except Guam | 48h (36h for HREF) | NWS SCN | Still (2021) | 2 |
| 2017 | R | RTMA,URMA; RTMA-RU added (Rapidly Updated RTMA) | 2.5 km, 3 km for Alaska | N.A. | RTMA, URMA : CONUS, AK; HI, PR; RTMA-only: Guam; RTMA-RU is CONUS only | N.A. | NWS SCN | Still (2020) | 24 (RTMA/URMA), 96 (RTMA-RU) |
| 2018 | R | RAP | 12 km | 50 | N. America | 21h; 03/09/15/21Z to 39-h | NWS SCN | Still (2020) | 24 |
| 2018 | R | HRRR | 3 km | 50 | CONUS and Alaska | 18h; 00/06/12/18z to 36-h. | NWS SCN | Still (2020) | 24 (CONUS); 8 (Alaska) |
| 2018 | R | CMAQ | 12km | 35 | CONUS, AK, HI | 48h | NWS SCN | Still (2021) | 4 |
| 2018 | R | CCPA | 5 km HRAP grid, interpolated to 0.125/0.25/1.0 deg lat/lon, 2.5 and 5km NDFD | NA | CONUS | NA | NWS SCN | Still | 24 |
| 2020 | R | RTMA/URMA/RTMA-RU | 2.5 km (AK=3km, PR=1.5km) | N.A | RTMA, URMA : CONUS, AK; HI, PR; RTMA-only: Guam; RTMA-RU is CONUS only | N.A. | NWS SCN | Still | 24 (RTMA/URMA), 96 (RTMA-RU) |
| 2020 | R | RAP | 12km | 50 | N. America | 21h; 51h for 03,09,15,21z | NWS SCN | Still | 24 |
| 2020 | R | HRRR, HRRRDAS (added for ; HRRR Smoke | 3km | 50 | CONUS, Alaska | 18h; 00/06/12/18z to 48-h | NWS SCN | Still | 24 |
| 2021 | R+E | HiResW/HREF; FV3 replaces NMMB | 3-3.2 km | 50 (ARW), 60 (FV3) | CONUS, AK, HI, PR, Guam | 60h for FV3, 48-h for ARW | NWS SCN | Still | 2 |
| 2021 | R | CMAQ (GFS replaces NAM as ATM driver) | 12km | 35 | CONUS, AK, HI | 48h (72h for 06/12z) | NWS SCN | Still | 4 |
