Evaluation of GCM Predictor Variables

Comparison between HadAM3P and NCEP

HadAM3P results are for all 3 ensemble members, 1960-1990, interpolated to 2.5 x 2.5 degrees

NCEP data is for 1961-1990

mean: climatological mean for the season

stdev: standard deviation of daily values in the season

For each parameter/season results are shown of the field in HadAM3P (top) the field in NCEP (middle) and the difference HadAM3P-NCEP (mean) or ratio HadAM3P-NCEP of standard deviations (stdev).


Parameter

winter (DJF)

spring (MAM)

summer (JJA)

autumn (SON)

Sea Level Pressure (MSLP)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Geopotential at 850 hPa (Z850)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Geopotential at 700 hPa (Z700)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Geopotential at 500 hPa (Z500)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Temperature at 850 hPa (T850)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Temperature at 700 hPa (T700)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Temperature at 500 hPa (T500)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Specific Humidity at 850 hPa (Q850)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Specific Humidity at 700 hPa (sh700)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Specific Humidity at 500 hPa (sh500)

mean / stdev

mean / stdev

mean / stdev

mean / stdev

Precipitation

mean / stdev

mean / stdev

mean / stdev

mean / stdev