We thank Alex C. Ruane for help with the variance decomposition, and all of the model groups participating in GLACE for providing their experimental results. Comments from three reviewers have enhanced the quality of the paper. This research was supported by National Oceanic and Atmospheric Administration Award NA06OAR4310067. The computing was completed on NCAR supercomputers.
Adler, R. F., and Coauthors, 2003: The Version-2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–present). J. Hydrometeor., 4 , 1147–1167.
Charney, J. G., , and J. Shukla, 1981: Predictability of monsoons. Monsoon Dynamics, Sir J. Lighthill and R. P. Pearce, Eds., Cambridge University Press, 99–109.
Dirmeyer, P. A., , M. J. Fennessy, , and L. Marx, 2003: Low skill in dynamical prediction of boreal summer climate: Grounds for looking beyond sea surface temperature. J. Climate, 16 , 995–1002.
Gebremichael, M., , W. F. Krajewski, , M. L. Morrissey, , G. J. Huffman, , and R. F. Adler, 2005: A detailed evaluation of GPCP 1° daily rainfall estimates over the Mississippi River basin. J. Appl. Meteor., 44 , 665–681.
Graham, N. E., , T. P. Barnett, , R. Wilde, , M. Ponater, , and S. Schubert, 1994: On the roles of tropical and midlatitude SSTs in forcing interannual to interdecadal variability in the winter Northern Hemisphere circulation. J. Climate, 7 , 1416–1441.
Guo, Z., and Coauthors, 2006: GLACE: The Global Land–Atmosphere Coupling Experiment. Part II: Analysis. J. Hydrometeor., 7 , 611–625.
Huffman, G. J., and Coauthors, 1997: The Global Precipitation Climatology Project (GPCP) combined precipitation dataset. Bull. Amer. Meteor. Soc., 78 , 5–20.
Huffman, G. J., , R. F. Adler, , M. Morrissey, , D. T. Bolvin, , S. Curtis, , R. Joyce, , B. McGavock, , and J. Susskind, 2001: Global precipitation at one-degree daily resolution from multisatellite observations. J. Hydrometeor., 2 , 36–50.
Huffman, G. J., and Coauthors, 2007: The TRMM Multisatellite Precipitation Analysis (TMPA): Quasi-global, multiyear, combined-sensor precipitation estimates at fine scales. J. Hydrometeor., 8 , 38–55.
Joyce, R. J., , J. E. Janowiak, , P. A. Arkin, , and P. Xie, 2004: CMORPH: A method that produces global precipitation estimates from passive microwave and infrared data at high spatial and temporal resolution. J. Hydrometeor., 5 , 487–503.
Koster, R. D., , M. J. Suarez, , and M. Heiser, 2000: Variance and predictability of precipitation at seasonal-to-interannual time scales. J. Hydrometeor., 1 , 26–46.
Koster, R. D., and Coauthors, 2004: Regions of strong coupling between soil moisture and precipitation. Science, 305 , 1138–1140.
Koster, R. D., and Coauthors, 2006: GLACE: The Global Land–Atmosphere Coupling Experiment. Part I: Overview. J. Hydrometeor., 7 , 590–610.
Lawrence, D. M., , and J. M. Slingo, 2005: Weak land–atmosphere coupling strength in HadAM3: The role of soil moisture variability. J. Hydrometeor., 6 , 670–680.
McPhee, J., , and S. A. Margulis, 2005: Validation and error characterization of the GPCP-1DD precipitation product over the contiguous United States. J. Hydrometeor., 6 , 441–459.
Pegion, K., , and B. P. Kirtman, 2008a: The impact of air–sea interactions on the predictability of the tropical intraseasonal oscillation. J. Climate, 21 , 5870–5886.
Pegion, K., , and B. P. Kirtman, 2008b: The impact of air–sea interactions on the simulation of tropical intraseasonal variability. J. Climate, 21 , 6616–6635.
Quan, X. W., , P. J. Webster, , A. M. Moore, , and H. R. Chang, 2004: Seasonality in SST-forced atmospheric short-term climate predictability. J. Climate, 17 , 3090–3108.
Ruane, A. C., , and J. O. Roads, 2007: 6-hour to 1-year variance of five global precipitation sets. Earth Interactions, 11 .[Available online at http://EarthInteractions.org].
Ruane, A. C., , and J. O. Roads, 2008: Diurnal to annual precipitation sensitivity to convective and land surface schemes. Earth Interactions, 12 .[Available online at http://EarthInteractions.org].
Ruiz-Barradas, A., , and S. Nigam, 2005: Warm season rainfall variability over the U.S. Great Plains in observations, NCEP and ERA-40 reanalyses, and NCAR and NASA atmospheric model simulations. J. Climate, 18 , 1808–1830.
Ruiz-Barradas, A., , and S. Nigam, 2006: Great Plains hydroclimate variability: The view from North American Regional Reanalysis. J. Climate, 19 , 3004–3010.
Shukla, J., 1993: Predictability of short-term climate variations. Prediction of Interannual Climate Variations, J. Shukla, Ed., NATO ASI Series I: Global Environmental Change, Vol. 6, Springer-Verlag, 217–232.
Skomorowski, P., , F. Rubel, , and B. Rudolf, 2001: Verification of GPCP-1DD global satellite precipitation products using MAP surface observations. Phys. Chem. Earth, 26 , 403–409.
Su, F., , Y. Hong, , and D. P. Lettenmaier, 2008: Evaluation of TRMM Multisatellite Precipitation Analysis (TMPA) and its utility in hydrologic prediction in the La Plata basin. J. Hydrometeor., 9 , 622–640.
Trenberth, K. E., , A. Dai, , R. M. Rasmussen, , and D. B. Parsons, 2003: The changing character of precipitation. Bull. Amer. Meteor. Soc., 84 , 1205–1217.
Wang, G., , Y. Kim, , and D. Wang, 2007: Quantifying the strength of soil moisture–precipitation coupling and its sensitivity to changes in surface water budget. J. Hydrometeor., 8 , 551–570.
Wei, J., , R. E. Dickinson, , and N. Zeng, 2006: Climate variability in a simple model of warm climate land–atmosphere interaction. J. Geophys. Res., 111 , G03009. doi:10.1029/2005JG000096.
Wei, J., , R. E. Dickinson, , and H. Chen, 2008: A negative soil moisture precipitation relationship and its causes. J. Hydrometeor., 9 , 1364–1376.
Wei, J., , P. A. Dirmeyer, , Z. Guo, , L. Zhang, , and V. Misra, 2010: How much do different land models matter for climate simulation? Part I: Climatology and variability. J. Climate, 23 , 3120–3134.
Wilcox, E. M., , and L. J. Donner, 2007: The frequency of extreme rain events in satellite rain-rate estimates and an atmospheric general circulation model. J. Climate, 20 , 53–69.
Yamada, T. J., , R. D. Koster, , S. Kanae, , and T. Oki, 2007: Estimation of predictability with a newly derived index to quantify similarity among ensemble members. Mon. Wea. Rev., 135 , 2674–2687.
Zeweldi, D. A., , and M. Gebremichael, 2009: Evaluation of CMORPH precipitation products at fine space–time scales. J. Hydrometeor., 10 , 300–307.
Zhang, J., , W-C. Wang, , and J. Wei, 2008: Assessing land–atmosphere coupling using soil moisture from the Global Land Data Assimilation System and observational precipitation. J. Geophys. Res., 113 , D17119. doi:10.1029/2008JD009807.