• Anderson BT, Wang J, Salvucci G, Gopal S. 2010. Observed trends in summertime precipitation over the southwestern United States. Journal of Climate 23: 19371944, DOI: 10.1175/2009JCLI3317.1.
  • Carleton AM. 1986. Synoptic-dynamic character of “bursts” and “breaks” in the south-west U.S. summer precipitation singularity. Journal of Climatology 6: 605623, DOI: 10.1002/joc.3370060604.
  • Carleton AM. 1987. Summer circulation climate of the American southwest, 1945–1984. Annals of the Association of American Geographers 77: 619634.
  • Carleton AM, Carpenter DA, Weser PJ. 1990. Mechanisms of interannual variability of the southwest United States summer rainfall maximum. Journal of Climate 6: 9991015, DOI: 10.1175/1520-0442(1990)003 < 0999:MOIVOT > 2.0.CO;2.
  • Castro CL, McKee TB, Pielke Sr. RA. 2001. The relationship of the North American monsoon to tropical and North Pacific sea surface temperatures as revealed by observational analysis. Journal of Climate 14: 44494473, DOI: 10.1175/1520-0442(2001)014 < 4449:TROTNA > 2.0.CO;2.
  • Cavazos T, Comrie AC, Liverman DM. 2002. Intraseasonal variability associated with wet monsoons in southeast Arizona. Journal of Climate 15: 24772490, DOI: 10.1175/1520-0442(2002)015 < 2477:IVAWWM > 2.0.CO;2.
  • Comrie AC, Glenn EC. 1998. Principal components-based regionalization of precipitation regimes across the southwest United States and northern Mexico, with an application to monsoon precipitation variability. Climate Research 10: 201215, DOI: 10.3354/cr010201.
  • Diem JE. 2005. Northward extension of intense monsoonal activity into the southwestern United States. Geophysical Research Letters 32: L14702, DOI:10.1029/2005GL022873.
  • Diem JE, Brown DP. 2006. Tropospheric moisture and monsoonal rainfall over the southwestern United States. Journal of Geophysical Research 111: D16112, DOI: 10.1029/2005JD006836.
  • Diem JE, Brown DP. 2009. Relationships among monsoon-season circulation patterns, gulf surges, and rainfall within the Lower Colorado River Basin, USA. Theoretical and Applied Climatology 97: 373383, DOI: 10.1007/s00704-008-0081-x.
  • Douglas MW, Leal JC. 2003. Summertime surges over the Gulf of California: aspects of their climatology, mean structure, and evolution from radiosonde, NCEP Reanalysis, and rainfall data. Weather and Forecasting 18: 5574, DOI: 10.1175/1520-0434(2003)018 < 0055:SSOTGO > 2.0.CO;2.
  • Higgins RW, Yao Y, Wang L. 1997. Influence of the North American Monsoon System on the U.S. summer precipitation regime. Journal of Climate 10: 26002622, DOI: 10.1175/1520-0442(1997)010 < 2600:IOTNAM > 2.0.CO;2.
  • Higgins RW, Mo KC, Yao Y. 1998. Interannual variability of the U.S. summer precipitation regime with emphasis on the southwestern monsoon. Journal of Climate 11: 25822606, DOI: 10.1175/1520-0442(1998)011 < 2582:IVOTUS > 2.0.CO;2.
  • Higgins RW, Chen Y, Douglas AV. 1999. Interannual variability of the North American warm season precipitation regime. Journal of Climate 12: 653680, DOI: 10.1175/1520-0442(1999)012 < 0653:IVOTNA > 2.0.CO;2.
  • Higgins RW, Shi W, Chen Y. 2004. Relationships between Gulf of California moisture surges and precipitation in the southwestern United States. Journal of Climate 17: 29832997, DOI: 10.1175/1520-0442(2004)017 < 2983:RBGOCM > 2.0.CO;2.
  • Higgins RW, Shi W. 2005. Relationships between Gulf of California moisture surges and tropical cyclones in the eastern Pacific Basin. Journal of Climate 18: 46014620, DOI: 10.1175/JCLI3551.1.
  • Johnson RH, Ciesielki PE, McNoldy BD, Rogers PJ, Taft RK. 2007. Multiscale variability of the flow during the North American Monsoon Experiment. Journal of Climate 20: 16281648, DOI: 10.1175/JCLI4087.1.
  • Kalnay E, Kanamitsu M, Kistler R, Collins W, Deaven D, Gandin L, Iredell M, Saha S, White G, Woollen J, Zhu Y, Chelliah M, Ebisuzaki W, Higgins W, Janowiak J, Mo KC, Ropelewski C, Wang J, Leetmaa A, Reynolds R, Jenne R, Joseph D. 1996. The NCEP/NCAR 40 year Reanalysis project. Bulletin of the American Meteorological Society 77: 437471, DOI: 10.1175/1520-0477(1996)077 < 0437:TNYRP > 2.0.CO;2.
  • Richman MB, Lamb PJ. 1985. Climatic pattern analysis of three and seven-d summer rainfall in the central United States: Some methodological considerations and a regionalization. Journal of Climate and Applied Meteorology 24: 13251343, DOI: 10.1175/1520-0450(1985)024 < 1325:CPAOTA > 2.0.CO;2.