Funding for this research was provided by the Radar Operations Center through grant number NA17RJ1227 and the National Science Foundation through Grant ATM0750790. The first author was supported by an American Meteorological Society Fellowship sponsored by the Raytheon Corporation. This manuscript benefited from reviews and discussions with Conrad Ziegler and Rodger Brown, and reviews from two anonymous reviewers. The authors thank the Radar Operations Center for maintaining the data flow from KTLX during the experiment. The authors also thank Mark Laufersweiler, Kevin Manross, and Travis Smith for their assistance with data acquisition and computing support.
Brock, F. V., , K. C. Crawford, , R. L. Elliott, , G. W. Cuperus, , S. J. Stadler, , H. L. Johnson, , and M. D. Eilts, 1995: The Oklahoma Mesonet: A technical overview. J. Atmos. Oceanic Technol., 12 , 5–19.
Buban, M. S., , C. L. Ziegler, , E. N. Rasmussen, , and Y. P. Richardson, 2007: The dryline on 22 May 2002 during IHOP: Ground-radar and in situ data analyses of the dryline and boundary layer evolution. Mon. Wea. Rev., 135 , 2473–2505.
Cheong, B. L., , R. D. Palmer, , C. D. Curtis, , T-Y. Yu, , D. S. Zrnić, , and D. Forsyth, 2008: Refractivity retrieval using the Phased Array Radar: First results and potential for multi-function operation. IEEE Trans. Geosci. Remote Sens., 46 , 2527–2537.
Crook, N. A., 1996: Sensitivity of moist convection forced by boundary layer processes to low-level thermodynamic fields. Mon. Wea. Rev., 124 , 1767–1785.
Dabberdt, W. F., , and T. W. Schlatter, 1996: Research opportunities from emerging atmospheric observing and modeling capabilities. Bull. Amer. Meteor. Soc., 77 , 305–323.
Demoz, B., and Coauthors, 2006: The dryline on 22 May 2002 during IHOP: Convective-scale measurements at the profiling site. Mon. Wea. Rev., 134 , 294–310.
Doswell, C. A., 1987: The distinction between large-scale and mesoscale contribution to severe convection: A case study example. Wea. Forecasting, 2 , 3–16.
Doswell, C. A., , and E. N. Rasmussen, 1994: The effect of neglecting the virtual temperature correction on CAPE calculations. Wea. Forecasting, 9 , 625–629.
Emanuel, K., and Coauthors, 1995: Report of first prospectus development team of the U.S. Weather Research Program to NOAA and the NSF. Bull. Amer. Meteor. Soc., 76 , 1194–1208.
Fabry, F., 2006: The spatial variability of moisture in the boundary layer and its effect on convective initiation: Project-long characterization. Mon. Wea. Rev., 134 , 79–91.
Fabry, F., , C. Frush, , I. Zawadzki, , and A. Kilambi, 1997: On the extraction of near-surface index of refraction using radar phase measurements from ground targets. J. Atmos. Oceanic Technol., 14 , 978–987.
Geerts, B., , and Q. Miao, 2005: The use of millimeter Doppler radar echoes to estimate vertical air velocities in fair-weather convective boundary layer. J. Atmos. Oceanic Technol., 22 , 225–246.
Heinselman, P. L., , B. L. Cheong, , R. D. Palmer, , D. Bodine, , and K. Hondl, 2009: Radar refractivity retrievals in Oklahoma: Insights into operational benefits and limitations. Wea. Forecasting, 24 , 1345–1361.
Koch, S. E., , and S. Saleeby, 2001: An automated system for the analysis of gravity waves and other mesoscale phenomena. Wea. Forecasting, 16 , 661–679.
Lakshmanan, V., , T. Smith, , K. Hondl, , G. J. Stumpf, , and A. Witt, 2006: A real-time, three-dimensional, rapidly updating, heterogeneous radar merger technique for reflectivity, velocity, and derived products. Wea. Forecasting, 21 , 802–823.
Lakshmanan, V., , T. Smith, , G. J. Stumpf, , and K. Hondl, 2007: The Warning Decision Support System–Integrated Information. Wea. Forecasting, 22 , 596–612.
McLaughlin, D., and Coauthors, 2009: Short-wavelength technology and the potential for distributed networks of small radar systems. Bull. Amer. Meteor. Soc., 90 , 1797–1817.
McPherson, R. A., and Coauthors, 2007: Statewide monitoring of the mesoscale environment: A technical update on the Oklahoma Mesonet. J. Atmos. Oceanic Technol., 24 , 301–321.
Miao, Q., , B. Geerts, , and M. LeMone, 2006: Vertical velocity and buoyancy characteristics of coherent echo plumes in the convective boundary layer, detected by a profiling airborne radar. J. Appl. Meteor. Climatol., 45 , 838–855.
Parsons, D. B., , M. A. Shapiro, , R. M. Hardesty, , R. J. Zamora, , and J. M. Intrieri, 1991: The finescale structure of a west Texas dryline. Mon. Wea. Rev., 119 , 1242–1258.
Parsons, D. B., , M. A. Shapiro, , and E. Miller, 2000: The mesoscale structure of a nocturnal dryline and of a frontal-dryline merger. Mon. Wea. Rev., 128 , 3824–3838.
Roberts, R. D., and Coauthors, 2008: REFRACTT-2006: Real-time retrieval of high-resolution low-level moisture fields from operational NEXRAD and research radars. Bull. Amer. Meteor. Soc., 89 , 1535–1548.
Wakimoto, R. M., , and H. V. Murphey, 2009: Analysis of a dryline during IHOP: Implications for convection initiation. Mon. Wea. Rev., 137 , 912–936.
Weckwerth, T. M., 2000: The effect of small-scale moisture variability on thunderstorm initiation. Mon. Wea. Rev., 128 , 4017–4030.
Weckwerth, T. M., , J. W. Wilson, , and R. M. Wakimoto, 1996: Thermodynamic variability within the convective boundary layer due to horizontal convective rolls. Mon. Wea. Rev., 124 , 769–784.
Weckwerth, T. M., and Coauthors, 2004: An overview of the International H20 Project (IHOP) and some preliminary highlights. Bull. Amer. Meteor. Soc., 85 , 253–277.
Weckwerth, T. M., , C. R. Pettet, , F. Fabry, , S. Park, , M. A. LeMone, , and J. W. Wilson, 2005: Radar refractivity retrieval: Validation and application to short-term forecasting. J. Appl. Meteor., 44 , 285–300.
Wilson, J. W., , and W. E. Schreiber, 1986: Initiation of convective storms at radar-observed boundary-layer convergence lines. Mon. Wea. Rev., 114 , 2516–2536.
Ziegler, C. L., , and E. N. Rasmussen, 1998: The initiation of moist convection at the dryline: Forecasting issues from a case study perspective. Wea. Forecasting, 13 , 1106–1131.
Ziegler, C. L., , T. J. Lee, , and R. A. Pielke, 1997: Convective initiation at the dryline: A modeling study. Mon. Wea. Rev., 125 , 1001–1026.
Zrnić, D. S., and Coauthors, 2007: Agile-beam phased array radar for weather observations. Bull. Amer. Meteor. Soc., 88 , 1753–1766.