DRAG PROJECT

Inter-model spread

Variable

u-component PBL stress u-component SGO stress u-component stress from physics v-component PBL stress v-component SGO stress v-component stress from physics abs. value PBL stress abs. value SGO stress abs. value stress from physics 850-hPa zonal wind 850-hPa meridional wind 850-hPa wind speed

Month

Jul 2012 Jan 2012

Time-interval for averaging

00-24Z average 00-06Z average 06-12Z average 12-18Z average 18-24Z average