Canadian Climate Change Scenarios Network - National Node

EC - GC

Reanalysis

This section will be updated as more data becomes available. Please see the tables below for more information.

 

NCEP Global Reanalysis (the NCEP Reanalysis website)

Table 1: List of NCEP (National Center for Environmental Prediction) reanalysis data, with the corresponding level, frequency (i.e. from hourly to daily scale) and time window for each variable.

VARIABLE	UNIT	LEVEL(S)	FREQUENCY	TIME WINDOW
Topography Geopotential	m2/s2	Surface	6 Hours/ Daily	1958-2000
Precipitation	mm
Downward Shortwave Radiation Flux	W/m2
Eastward Component of Wind	m/s	10 m
Northward Component of Wind	m/s

 

North American Regional Reanalysis (NARR)

Please see the description of the regional reanalysis products at: http://loki.ouranos.ca/DAI/reanalysis-e.html#narr.

Table 2: List of the available NARR variables, with the corresponding level, frequency (i.e. from hourly to daily scale) and time window for each variable.

VARIABLE	UNIT	LEVEL(S)	FREQUENCY	TIME WINDOW
Pressure Reduced to msl	Pa	Mean Sea Level Pressure	3 Hours	1979-2006
Mean Sea Level Pressure	Pa
Downward Shortwave Radiation Flux (Average)	W/m2	Surface	0-3 Hour Average
Downward Longwave Radiation Flux (Average)	W/m2
Upward Shortwave Radiation Flux (Average)	W/m2	Surface, Atmos Top
Upward Longwave Radiation Flux (Average)	W/m2
Convective Precipitation	mm	Surface	0-3 Hour Accumulated
Total Precipitation (nearest gridpoint)	mm
Total Precipitation	mm
Water Vapor Flux Convergence (Vertical Integration)	kg/m2	0-700 mb, Atmos Col	0-3 Hour Average
Water Condensate Flux Convergence (Vertical Integration)	kg/m2
Water Vapor Zonal Transport (Vertical Integration)	kg/m		0-3 Hour Accumulated
Water Vapor Meridional Transport (Vertical Integration)	kg/m
Water Condensate Zonal Transport (Vertical Integration)	kg/m
Water Condensate Meridional Transport (Vertical Integration)	kg/m
Relative Humidity	%	2 m, OC Isotherm, Hybrid Lev 1	3 Hours
Pressure (nearest gridpoint)	Pa	Sfc
Pressure	Pa	Sfc, 2, 10 and 30m, Cld base, Cld top, Tropopause, Max Wind Level, Cond Lev, Hybrid Lev 1
Eastward Wind Component	m/s	10 and 30 m and at pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750, 725, 700, 650, 600, 550, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 125 and 100 hPa; Tropopause, Max Wind Level, 30-0mb, 60-30mb, 90-60mb, 120-90mb, 150-120mb, 180-150mb, Hybrid Lev 1
Northward Wind Component	m/s
Temperature	K	Sfc, 2, 10 and 30 m and at pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750, 725, 700, 650, 600, 550, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 125 and 100 hPa; Cld top, Tropopause, 30-0mb, 60-30mb, 90-60mb, 120-90mb, 150-120mb, 180-150mb, Hybrid Lev 1
Specific Humidity	kg/kg	2, 10 and 30 m and at pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750, 725, 700, 650, 600, 550, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 125 and 100 hPa; 30-0mb, 60-30mb, 90-60mb, 120-90mb, 150-120mb, 180-150mb, Hybrid Lev 1
Geopotential Height	m2/s2	Pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750, 725, 700, 650, 600, 550, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 125 and 100 hPa; Cld base, Cld top, Tropopause, Max Wind Level, OC isotherm, Hybrid Lev 1
Pressure Vertical Velocity	Pa/s	Pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750, 725, 700, 650, 600, 550, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 125 and 100 hPa; 30-0mb, 60-30mb, 90-60mb, 120-90mb, 150-120mb, 180-150mb, Hybrid Lev 1
Turbulent Kinetic Energy	J/kg	Pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750,725, 700, 650, 600, Hybrid Lev 1
Cloud Water	kg/kg	Pressure levels: 1000, 975, 950, 925, 900, 875, 850, 825, 800, 775, 750, 725, 700, 650, 600, 550, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 125 and 100 hPa
Ice Mixing Ratio	kg/kg
Horizontal Moisture Divergence	kg/kg/s	Pressure levels: 850; 30-0mb, 60-30mb, 90-60mb, 120-90mb, 150-120mb, 180-150mb, Hybrid Lev 1
Potential Temperature	K	Sfc, 10m and 30m, Hybrid Lev 1
Visibility	m	Sfc
Soil Temperature	K	Depths: 0-10cm, 10-40cm, 40-100cm, 100-200cm, 800cm
Volumetric Soil Moisture (Frozen + Liquid)	Fraction	Depths: 0-10cm, 10-40cm, 40-100cm, 100-200cm
Liquid Volumetric Soil Moisture (non-frozen)	Fraction
Water Vapor Added by Precip Assimilation	kg/m2	0-700mb, atmos col	0-3 Hour Accumulated
Water Condensate Added by Precip Assimilation	kg/m2
Planetary Boundary Layer Height	m	Sfc	3 Hours
Blackadars Mixing Length Scale	m	Hybrid Lev 1
Moisture Availability	%	0-100cm depths
Soil Moisture Content	kg/m2	0-200cm depths
Plant Canopy Surface Water	kg/m2	Sfc
Accumulated Snow	kg/m2
Snow Cover	%
Snow Depth	m
Dew Point Temperature	K	2m
Surface Friction Velocity	m/s	Sfc
Surface Drag Coefficient	non dim
Exchange Coefficient	kg/m3m/s
Vegetation	%
Canopy Conductance	m/s
Solar Parameter in Canopy Conductance	fraction
Temperature Parameter in Canopy Conductance	fraction
Humidity Parameter in Canopy Conductance	fraction
Soil Moisture Parameter in Canopy Conductance	fraction
Surface Lifted Index	K	500-1000mb
Convective Available Potential Energy	J/kg	Sfc, 180-0 mb
Convective Inhibition	J/kg	Sfc, 180-0 mb
Precipitable Water	kg/m2	Atmos col
Storm Relative Helicity	m2/s2	3000-0m
U Component of Storm Motion	m/s	6000-0m
V Component of Storm Motion	m/s
Vertical Speed Shear	1/s	Tropopause
Best (4 Layer) Lifted Index	K	180-0mb
Albedo	%	Sfc
Precipitation Rate	kg/m2/s		3 Hour Forecast
Snow Melt	kg/m2		0-3 Hour Accumulated
Surface Runoff (Non-Infiltrating)	kg/m2
Subsurface Runoff (Baseflow)	kg/m2
Categorial Snow	Yes=1 No=0		0-3 Hour Forecast
Categorial Ice Pellets	Yes=1 No=0
Categorial Freezing Rain	Yes=1 No=0
Categorial Rain	Yes=1 No=0
Latent Heat Flux	W/m2		0-3 Hour Average
Sensible Heat Flux	W/m2
Ground Heat Flux	W/m2
Snow Phase Change Heat Flux	W/m2
Evaporation	kg/m2		0-3 Hour Accumulated
Potential Evaporation	kg/m2
Low Level Cloud Cover	%	Low Cloud Layer	3 Hour Forecast
Mid Level Cloud Cover	%	Mid Cloud Layer
High Level Cloud Cover	%	High Cloud Layer
Non-Convective Cloud	%	Atmos col	0-3 Hour Average
Convective Cloud Cover	%
Total Cloud Cover	%		3 Hour Forecast

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