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Data Amount Estimates for CPC Conventional Data Reanalysis (CR)

Data Amount Estimates for CPC Conventional Data Reanalysis (CR) Estimated by J. Schemm and H. van den Dool CPC/NCEP 2010 Reanalysis: 336 Tapes (235 TB). EXPLANATION OF FILE NAMES Siganl : 3-D Hybrid Analysis Sfcanl : Surface Analysis Ocnanl : 3D Ocean Analysis

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Data Amount Estimates for CPC Conventional Data Reanalysis (CR)

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  1. Data Amount Estimates for CPC Conventional Data Reanalysis (CR) Estimated by J. Schemm and H. van den Dool CPC/NCEP 2010 Reanalysis: 336 Tapes (235 TB)

  2. EXPLANATION OF FILE NAMES Siganl : 3-D Hybrid Analysis Sfcanl : Surface Analysis Ocnanl : 3D Ocean Analysis Pgb : 3-D Pressure level data Flx : Surface fluxes, radiative fluxes, precip, etc. Ocn : 3-D Ocean data Ipv : 3-D Isentropic level data Egy : Energetics, u’ v’, TKE, etc.

  3. T382 Siganl 227.1 MB T382 Sfcanl 116.8 MB MOM4 1/4 x 1/2 Ocnanl 1242.3 MB MOM4 1/3 x 1 Ocnanl 350.1 MB T126 Siganl 25.2 MB T126 Sfcanl 12.9 MB FILE SIZES (1)

  4. Pgb (0.5 x 0.5) 211 MB Pgb (1.0 x 1.0) 55 MB Pgb (2.5 x 2.5) 9 MB Flx T382 Gaussian 77 MB Flx T126 Gaussian 9 MB Flx T62 Gaussian 2.2 MB Ocn (0.5 x 0.5) 59 MB Ocn (1.0 x 1.0) 16 MB Ocn (2.5 x 2.5) 2.3 MB FILE SIZES (2)

  5. Ipv (0.5 x 0.5) 46 MB Ipv (1.0 x 1.0) 12 MB Ipv (2.5 x 2.5) 2 MB Egy (0.5 x 0.5) 123 MB Egy (1.0 x 1.0) 31 MB Egy (2.5 x 2.5) 5 MB FILE SIZES (3)

  6. 62-year REANALYSIS (1948-2009) CPC NCDC CFS Hi Res IC (6-hourly) 206 (1) 206 (1) CFS Lo Res IC (6-hourly) 50 (1) 50 (1) Conventional Data Dumps (6-hourly) 20 (1) 20 (1) Pgb 0.5 x 05 (6-Hourly) 34 (1) 34 (1) Flx T382 Gaussian (6-Hourly) 10 (1) 10 (1) Ocn 0.5 x 0.5 (6-Hourly) 8 (1) 8 (1) Ipv 0.5 x 0.5 (6-Hourly) 6 (1) 6 (1) Monthly and Timeseries 2 (1) 2 (1) Total 336 336 GRAND TOTAL = 336 Tapes (235 TB)

  7. Hourly Timeseries of 80 parameters : FLX file (32) LHTFL (latent heat flux) : averaged SHTFL (sensible heat flx) : averaged UFLX (u-stress) : averaged VFLX (v-stress) : averaged PRATE (precipitation rate) : averaged PRESSFC (Surface pressure) : instantaneous PWAT (Precipitable Water) : instantaneous TMP2M (2m air temperature) : instantaneous TMPSFC (surface temperature) : instantaneous TMPHY1 (temperature at hybrid level 1) : instantaneous PEVPR (potential evaporation rate) : averaged U10M (u at 10m) : instantaneous V10M (v at 10m) : instantaneous DLWSFC (Downward LW at the surface) : averaged DSWSFC (Downward SW at the surface) : averaged ULWSFC (Upward LW at the surface) : averaged ULWTOA (Upward LW at the top) : averaged USWSFC (Upward SW at the surface) : averaged USWTOA (Upward SW at the top) : averaged SOILM1 (Soil Moisture Level 1) : instantaneous SOILM2 (Soil Moisture Level 2) : instantaneous SOILM3 (Soil Moisture Level 3) : instantaneous SOILM4 (Soil Moisture Level 4) : instantaneous SOILT1 (Soil Temperature Level 1) : instantaneous GFLUX (Ground Heat Flux) : averaged SWE (Snow Water Equivalent) : instantaneous RUNOFF (Ground Runoff) : accumulation ICECON (Ice concentation) ICETHK (Ice Thickness) Q2M (2m Specific Humidity) TMIN (Minimum 2m air temperature) TMAX (Maximum 2m air temperature)

  8. Hourly Timeseries of 80 parameters (contd) : PGB file (32) 1.  Z200 (Geopotential at 200 hPa) Z500 (Geopotential at 500 hPa) Z700 (Geopotential at 700 hPa) Z850 (Geopotential at 850 hPa) Z1000 (Geopotential at 1000 hPa) T2 (Temperature at 2 hPa) T50 (Temperature at 50 hPa) T200 (Temperature at 200 hPa) T500 (Temperature at 500 hPa) T700 (Temperature at 700 hPa) T850 (Temperature at 850 hPa) T1000 (Temperature at 1000 hPa) WND200 (Zonal (u ) and Meridional: (v) Wind at 200 hPa) WND500 (Zonal (u ) and Meridional: (v) Wind at 500 hPa) WND700 (Zonal (u ) and Meridional: (v) Wind at 700 hPa) WND850 (Zonal (u ) and Meridional: (v) Wind at 850 hPa) WND1000 (Zonal (u ) and Meridional: (v) Wind at 1000 hPa) PSI200 (Streamfunction at 200 hPa) PSI850 (Streamfunction at 850 hPa) CHI200 (Velocity Potential at 200 hPa) CHI850 (Velocity Potential at 200 hPa) VVEL500 (Vertical Velocity at 500 hPa) Q500 (Specific Humidity at 500 hPa) Q700 (Specific Humidity at 700 hPa) Q850 (Specific Humidity at 850 hPa) Q925 (Specific Humidity at 925 hPa) PRMSL (Mean Sea Level Pressure)

  9. Hourly Timeseries of 80 parameters (contd) : IPV file (3) IPV450 (Potential Vorticty at 450 K Isentropic Level) IPV550 (Potential Vorticty at 550 K Isentropic Level) IPV650 (Potential Vorticty at 650 K Isentropic Level) Hourly Timeseries of 80 parameters (contd) : OCN file (13) OCNDT20C (Depth of 20C Isotherm) OCNHEAT (Ocean Heat Content) OCNSLH (Sea Level Height) OCNSST (Ocean Potential Temperature at depth of 5m) OCNU5 (Ocean Zonal Current at depth of 5m) OCNV5 (Ocean Meridional Current at depth of 5m) OCNSAL5 (Ocean Salinity at depth of 5m) OCNU15 (Ocean Zonal Current at depth of 15m) OCNV15 (Ocean Meridioanl Current at depth of 15m) OCNT15 (Ocean Potential Temperature at depth of 15m) OCNSAL15 (Ocean Salinity at depth of 15m) OCNVV55 (Ocean vertical velocity at depth of 55 m) OCNMLD (Ocean Mixed Layer Depth)

  10. CFS HIC (6-hourly: 1.58 GB Tarball) /cpc/hpss/reanl/CPC/CPCCR/CFS_HIC (206 tapes) /cpc/hpss/reanl/NCDC/CPCCR/CFS_HIC (206 tapes) CFS LIC (Daily: 1.54 GB Tarball) /cpc/hpss/reanl/CPC/CPCCR/CFS_LIC (50 tapes) /cpc/hpss/reanl/NCDC/CPCCR/CFS_LIC (50 tapes) Typical calculation 6 hourly : T382 Siganl + T382 Sfcanl + MOM4 Ocnanl (1/4 x ½ ) = 1.578 GB Per day : 1.578 x 4 = 6.312 GB Per year : 6.312 x 366 = 2.31 TB 31-years : 2.31 x 31 = 71.6 TB Tapes (@ 0.7 TB/tape) = 103 Tapes TAPE NAMES (1)

  11. Conventional Data Dumps (Monthly: ) /cpc/hpss/reanl/CPC/CPCCR/Conv_Dump (20 tapes) /cpc/hpss/reanl/NCDC/CPCCR/Conv_Dump (20 tapes) TAPE NAMES (2)

  12. Pgb (6-Hourly) /cpc/hpss/reanl/CPC/CPCCR/Pgb (34 tapes) /cpc/hpss/reanl/NCDC/CPCCR/Pgb (34 tapes) Flx (6-hourly) /cpc/hpss/reanl/NCDC/CPCCR/Flx (35 tapes) /cpc/hpss/reanl/CPC/CPCCR/Flx (35 tapes) Ocn (6-hourly) /cpc/hpss/reanl/CPC/CPCCR/Ocn (8 tapes) /cpc/hpss/reanl/NCDC/CPCCR/Ocn (8 tapes) TAPE NAMES (3)

  13. Ipv (6-hourly) /cpc/hpss/reanl/CPC/CPCCR/Ipv ( 6 tapes) /cpc/hpss/reanl/NCDC/CPCCR/Ipv (6 tapes) Monthly and Timeseries /climate/hpss/reanl/EMC/CPCCR/Monthly (2 tapes) /climate/hpss/reanl/CPC/CPCCR/Monthly (2 tapes) /climate/hpss/reanl/NCDC/CPCCR/Monthly (2 tapes) TAPE NAMES (5)

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