The diurnal cycle of the boundary layer, convection, clouds, and surface radiation in a coastal monsoon environment (Darwin, Australia)

Journal of Climate

Volumn 25, Issue 15, 2012, Pages 5309-5326

  May, Peter T ^a,b   Long, Charles N ^c   Protat, Alain ^a  

^a Bureau of Meteorology Centre for Australian Weather and Climate Research   (Australia)

^b CSIRO   (Australia)

^c PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

Clouds; Diurnal effects; Monsoons; Precipitation

Indexed keywords

AIR TEMPERATURE; ATMOSPHERIC RADIATION MEASUREMENT PROGRAMS; AUSTRALIA; BOUNDARY LAYER STRUCTURE; CIRRUS CLOUDS; CLOUD EFFECTS; CLOUD FORCING; CONVECTIVE RAIN; DIURNAL CYCLE; DIURNAL EFFECTS; DIURNAL VARIABILITY; DIURNAL VARIATION; LAND SURFACE; LONG LASTING; MONSOON REGIMES; MONSOONS; RADIATIVE ENERGY; RADIATIVE PROPERTIES; SHORT WAVES; SURFACE RADIATION; U.S. DEPARTMENT OF ENERGY; WARM POOLS;

BOUNDARY LAYERS; CLOUDS; PRECIPITATION (CHEMICAL); RAIN;

ATMOSPHERIC THERMODYNAMICS;

AIR TEMPERATURE; ATMOSPHERIC CONVECTION; ATMOSPHERIC STRUCTURE; BOUNDARY LAYER; CLIMATE MODELING; CLOUD RADIATIVE FORCING; COASTAL ZONE; DIURNAL VARIATION; MONSOON; PRECIPITATION (CLIMATOLOGY); RAINFALL; SPATIAL DISTRIBUTION;

AUSTRALIA; DARWIN; NORTHERN TERRITORY;

EID: 84865094963     PISSN: 08948755     EISSN: None     Source Type: Journal    
DOI: 10.1175/JCLI-D-11-00538.1     Document Type: Article

References (40)

1. Bringi, V. N., G.-J. Huang, V. Chandrasekar, and T. D. Keenan, 2001: An areal rainfall estimator using differential propa- gation phase: Evaluation using a C-band radar and a dense gauge network in the tropics. J. Atmos. Oceanic Technol., 18, 1810-1818.
2. Bringi, V. N., G.-J. Huang, V. Chandrasekar, and E. Gorgucci, 2002: A methodology for esti- mating the parameters of a gamma raindrop size distribution model from polarimetric radar data: Application to a squall- line event from the TRMM/Brazil campaign. J. Atmos. Oceanic Technol., 19, 633-645.
3. Comstock, J. M., T. P. Ackerman, and G. G. Mace, 2002: Ground- based lidar and radar remote sensing of tropical cirrus clouds at Nauru Island: Cloud statistics and radiative impacts. J. Geophys. Res., 107, 4714, doi:10.1029/2002JD002203.
4. Delanoë, J., and R. J. Hogan, 2008: A variational scheme for re- trieving ice cloud properties from combined radar, lidar, and infrared radiometer. J. Geophys. Res., 113, D07204, doi:10.1029/ 2007JD009000.
5. Drosdowsky, W., 1996: Variability of the Australian summer monsoon at Darwin: 1957-1992. J. Climate, 9, 85-96.
6. Drosdowsky, W., and G. J. Holland, 1987: North Australian cloud lines. Mon. Wea. Rev., 115, 2645-2659.
7. Holland, G. J., 1986: Interannual variability of the Australian summer monsoon at Darwin: 1952-82. Mon. Wea. Rev., 114, 594-604.
8. Hume, T., 2007: Radiation Dry bias in the TWP-ICE radiosonde soundings. Proc. 17th ARM Science Team Meeting, Monterey, CA, U.S. Dept. of Energy. [Available online at http://www.arm.gov/publications/proceedings/conf17/poster/P00011.pdf?id575.]
9. Keenan, T. D., and R. E. Carbone, 1992: A preliminary morphol- ogy of precipitation systems in tropical Northern Australia. Quart. J. Roy. Meteor. Soc., 118, 283-326.
10. Keenan, T. D., and S. A. Rutledge, 1993: Mesoscale characteristics of monsoonal convection and associated stratiform precipitation. Mon. Wea. Rev., 121, 352-374.
11. Keenan, T. D., J. McBride, G. Holland, N. Davidson, and B. Gunn, 1989: Diurnal variations during the Australian Monsoon Experi- ment (AMEX) Phase II. Mon. Wea. Rev., 117, 2535-2553.
12. Keenan, T. D., K. Glasson, F. Cummings, T. S. Bird, J. Keeler, and J. Lutz, 1998: The BMRC/NCAR C-band polarimetric (C-POL) radar system. J. Atmos. Oceanic Technol., 15, 871-886.
13. Keenan, T. D., and Coauthors, 2000: The Maritime Continent Thunderstorm Experiment (MCTEX): Overview and some results. Bull. Amer. Meteor. Soc., 81, 2433-2455.
14. Long, C. N., 2005: On the estimation of clear-sky upwelling shortwave and longwave. U.S. Department of Energy, DOE/ SC-ARM-0503, 9 pp.
15. Keenan, T. D., 2008: Estimation of upwelling SW and LW for Cape Don and Pirlangimpi using Darwin data. ARM Tech. Data Rep., 15 pp. [Available online at http://iop.archive.arm.gov/arm-iop-file/2006/twp/twp-ice/long-sfcflux/Cape_Don/TWP-ICE_EstUp.pdf.]
16. Keenan, T. D., and T. P. Ackerman, 2000: Identification of clear skies from broadband pyranometer measurements and calculation of downwelling shortwave cloud effects. J. Geophys. Res., 105 (D12), 15 609-15 626.
17. Keenan, T. D., and D. D. Turner, 2008: A method for continuous estimation of clear-sky downwelling longwave radiative flux developed using ARM surface measurements. J. Geophys. Res., 113, D18206, doi:10.1029/2008JD009936.
18. Keenan, T. D., T. P. Ackerman, K. L. Gaustad, and J. N. S. Cole, 2006: Es-timation of fractional sky cover from broadband shortwave radiometer measurements. J. Geophys. Res., 111, D11204, doi:10.1029/2005JD006475.
19. Mapes, B. E., and R. A. Houze Jr., 1992: An integrated view of the 1987 Australian monsoon and its mesoscale convective sys- tems. I: Horizontal structure. Quart. J. Roy. Meteor. Soc., 118, 927-963.
20. Mapes, B. E., T. T. Warner, and M. Xu, 2003: Diurnal patterns of rainfall in northwestern South America. Part III: Diurnal gravity waves and nocturnal convection offshore. Mon. Wea. Rev., 131, 830-844.
21. Mather, J., T. Ackerman, W. Clements, F. Barnes, M. Ivey, L. Hatfield, and R. Reynolds, 1998: An atmospheric radiation and cloud station in the tropical western Pacific. Bull. Amer. Meteor. Soc., 79, 627-642.
22. May, P. T., 1999: Thermodynamic and vertical velocity structure of two gust fronts observed with a wind profiler/RASS during MCTEX. Mon. Wea. Rev., 127, 1796-1807.
23. May, P. T., 2011: Mesoscale aspects of the Australian monsoon. The Global Monsoon System: Research and Forecast, 2nd ed. C. P. Chang et al., Eds., World Scientific, 223-238.
24. May, P. T., and A. Ballinger, 2007: The statistical characteristics of convective cells in a monsoon regime (Darwin, Northern Australia). Mon. Wea. Rev., 135, 82-92.
25. May, P. T., T. D. Keenan, D. S. Zrnić, L. D. Carey, and S. A. Rutledge, 1999: Polarimetric measurements of rain at a 5-cm wave- length. J. Appl. Meteor., 38, 750-765.
26. May, P. T., A. R. Jameson, T. D. Keenan, P. E. Johnston, and C. Lucas, 2002: Combined wind profiler/polarimetric radar studies of the vertical motion and microphysical characteristics of tropical sea breeze thunderstorms. Mon. Wea. Rev., 130, 2228-2239.
27. May, P. T., J. H. Mather, G. Vaughan, C. Jakob, G. M. McFarquhar, K. N. Bower, and G. G. Mace, 2008: The Tropical Warm Pool International Cloud Experiment. Bull. Amer. Meteor. Soc., 89, 629-645.
28. McBride, J. L., and W. M. Frank, 1999: Relationships between stability and monsoon convection. J. Atmos. Sci., 56, 24-36.
29. Miloshevich, L. M., H. Vömel, D. N. Whiteman, B. M. Lesht, F. J. Schmidlin, and F. Russo, 2006: Absolute accuracy of water vapor measurements from six operational radiosonde types launched during AWEX-G and implications for AIRS validation. J. Geophys. Res., 111, D09S10, doi:10.1029/ 2005JD006083.
30. Moran, K. P., B. E. Martner, M. J. Post, R. A. Kropfli, D. C. Welsh, and K. B. Widener, 1998: An unattended cloud-profiling radar for use in climate research. Bull. Amer. Meteor. Soc., 79, 443- 455.
31. Ohsawa, T., H. Ueda, T. Hayashi, A. Watanabe, and J. Matsumoto, 2001: Diurnal variations of convective activity and rainfall in tropical Asia. J. Meteor. Soc. Japan, 79, 333-352.
32. Protat, A., and Coauthors, 2009: Assessment of CloudSat reflectivity measurements and ice cloud properties using ground-based and airborne cloud radar observations. J. Atmos. Oceanic Technol., 26, 1717-1741.
33. Protat, A., J. Delanoe, A. Plana-Fattori, P. T. May, and E. O'Connor, 2010: The statistical properties of tropical ice clouds generated by the West African and Australian monsoons from ground- based radar-lidar observations. Quart. J. Roy. Meteor. Soc., 136 (S1), 345-363, doi:10.1002/qj.490.
34. Schafer, R., S. A. Avery, P. T. May, D. Rajopadhyaya, and C. Williams, 2002: Estimation of rainfall drop size distribu- tions from dual-frequency wind profiler spectra using decon- volution and a nonlinear least squares fitting technique. J. Atmos. Oceanic Technol., 19, 864-874.
35. Schumacher, C., M. Zhang, and P. E. Ciesielski, 2007: Heating structures of the TRMM field campaigns. J. Atmos. Sci., 64, 2593-2610.
36. Simpson, J., T. D. Keenan, B. Ferrier, R. H. Simpson, and G. J. Holland, 1993: Cumulus mergers in the maritime conti- nent. Meteor. Atmos. Phys., 51, 73-79.
37. Slingo, A., K. I. Hodges, and G. J. Robinson, 2004: Simulation of the diurnal cycle in a climate model and its evaluation using data from Meteosat 7. Quart. J. Roy. Meteor. Soc., 130, 1449-1467.
38. Stoffel, T., 2005: Solar Infrared Radiation Station (SIRS) handbook. Atmospheric Radiation Measurement Climate Research Facility Tech. Rep. ARM TR-025, 29 pp. [Available online at http://www.arm.gov/publications/tech_reports/handbooks/sirs_handbook.pdf.]
39. Wilson, J. W., R. E. Carbone, J. D. Tuttle, and T. D. Keenan, 2001: Tropical island convection in the absence of significant to- pography. Part II: Nowcasting storm evolution. Mon. Wea. Rev., 129, 1637-1655.
40. Yang, G.-Y., and J. Slingo, 2001: The diurnal cycle in the tropics. Mon. Wea. Rev., 129, 784-801.