REGIONAL/MESOSCALE numerical analysis and forecast systems at JNWPU/NMC/NCEP - a HISTORY!

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, WRF-NMM replaces Eta model 48-h EMC Doc Still (2005) 4
2003 R Eta Step-Mountain Coordinate 12 km 60 N. America 84-h (all 4 cycles) 1/2005 4
2004 R CMAQ (Air Quality model) 12 km 22 NE CONUS 48-h EMC Doc 8/2005 2 (06z, 12z)
2005 R North American Mesoscale (NAM, formerly Eta) 12 km 60 N. America 84-h 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 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
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
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 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