mean [ ( { [ ( svd { NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 700 mb anomalies } Ts ) * -1. ] + [ svd ( NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 1000 mb anomalies ) Ts ] } / root mean sq { [ ( svd { NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 700 mb anomalies } Ts ) * -1. ] + [ svd ( NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 1000 mb anomalies ) Ts ] } ) * ( NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel u 1000 mb anomalies ) ] 1.

[ ( { svd [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 700 mb anomalies ] Ts } * -1. ) + ( svd { NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 1000 mb anomalies } Ts ) ] / root mean sq [ ( { svd [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 700 mb anomalies ] Ts } * -1. ) + ( svd { NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel phi 1000 mb anomalies } Ts ) ] 1.