Article Type:
Article Commentary

Comments on “The North Dakota Tornadic Supercells of 18 July 2004: Issues Concerning High LCL Heights and Evapotranspiration”

Roger Edwards NWS/Storm Prediction Center, Norman, Oklahoma

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Richard L. Thompson NWS/Storm Prediction Center, Norman, Oklahoma

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Print Publication:
01 Aug 2009
DOI:
https://doi.org/10.1175/2009WAF2222204.1
Page(s):
1149–1158
Restricted access

Corresponding author address: Roger Edwards, Storm Prediction Center, 120 David L. Boren Blvd., Norman, OK 73072. Email: roger.edwards@noaa.gov

Corresponding author address: Roger Edwards, Storm Prediction Center, 120 David L. Boren Blvd., Norman, OK 73072. Email: roger.edwards@noaa.gov

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Weather and Forecasting

  • Baldwin, M. E., Kain J. S. , and Kay M. P. , 2002: Properties of the convection scheme in NCEP’s Eta Model that affect forecast sounding interpretation. Wea. Forecasting, 17 , 1063–1079.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Banacos, P. C., and Schultz D. M. , 2005: The use of moisture flux convergence in forecasting convective initiation: Historical and operational perspectives. Wea. Forecasting, 20 , 351–366.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Benjamin, S. G., and Coauthors, 2004: An hourly assimilation–forecast cycle: The RUC. Mon. Wea. Rev., 132 , 495–518.

  • Betts, A. K., 1982: Saturation point analysis of moist convective overturning. J. Atmos. Sci., 39 , 1484–1505.

  • Bosart, L. F., 2003: Whither the weather analysis and forecasting process? Wea. Forecasting, 18 , 520–529.

  • Bothwell, P. D., Hart J. A. , and Thompson R. L. , 2002: An integrated three-dimensional objective analysis scheme in use at the Storm Prediction Center. Preprints, 21st Conf. on Severe Local Storms/19th Conf. on weather Analysis and Forecasting/15th Conf. on Numerical Weather Prediction, San Antonio, TX, Amer. Meteor. Soc., JP3.1. [Available online at http://ams.confex.com/ams/pdfpapers/47482.pdf].

    • Search Google Scholar
    • Export Citation

  • Craven, J. P., and Brooks H. E. , 2004: Baseline climatology of sounding-derived parameters associated with deep moist convection. Natl. Wea. Dig., 28 , 13–24.

    • Search Google Scholar
    • Export Citation

  • Davies, J. M., 2006: Tornadoes in environments with small helicity and/or high LCL heights. Wea. Forecasting, 21 , 579–594.

  • Davies, J. M., and Johns R. H. , 1993: Some wind and instability parameters associated with strong and violent tornadoes. 1. Wind shear and helicity. The Tornado: Its Structure, Dynamics, Hazards, and Prediction, Geophys. Monogr., Vol. 79, Amer. Geophys. Union, 573–582.

    • Search Google Scholar
    • Export Citation

  • Davies-Jones, R. P., 1993: Helicity trends in tornado outbreaks. Preprints, 17th Conf. on Severe Local Storms, St. Louis, MO, Amer. Meteor. Soc., 56–60.

    • Search Google Scholar
    • Export Citation

  • Doswell C. A. III, , 2007: Small sample size and data quality issues illustrated using tornado occurrence data. Electron. J. Severe Storms Meteor., 2 (5) [Available online at http://www.ejssm.org/ojs/index.php/ejssm/article/viewArticle/26/27].

    • Search Google Scholar
    • Export Citation

  • Doswell C. A. III, , and Burgess D. W. , 1988: On some issues of United States tornado climatology. Mon. Wea. Rev., 116 , 495–501.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Doswell C. A. III, , and Rasmussen E. N. , 1994: The effect of neglecting the virtual temperature correction on CAPE calculations. Wea. Forecasting, 9 , 625–629.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Doswell C. A. III, , and Schultz D. M. , 2006: On the use of indices and parameters in forecasting severe storms. Electron. J. Severe Storms Meteor., 1 (3) [Available online at http://www.ejssm.org/ojs/index.php/ejssm/article/view/11/12].

    • Search Google Scholar
    • Export Citation

  • Doswell C. A. III, , Johns R. H. , and Weiss S. J. , 1993: Tornado forecasting: A review. The Tornado: Its Structure, Dynamics, Hazards, and Prediction, Geophys. Monogr., Vol. 79, Amer. Geophys. Union, 557–571.

    • Search Google Scholar
    • Export Citation

  • Edwards, R., 2003: Rating tornado damage: An exercise in subjectivity. Preprints, Symp. on F-Scale and Severe Weather Damage Assessment, Long Beach, CA, Amer. Meteor. Soc., P1.2. [Available online at http://ams.confex.com/ams/pdfpapers/55307.pdf].

    • Search Google Scholar
    • Export Citation

  • Grazulis, T. P., 1993: Significant Tornadoes: 1680–1991. Environmental Films, 1326 pp.

  • Guyer, J. L., and Shea T. J. , 2003: An assessment of the variability in operational assignment of F-scale damage. Preprints, Symp. on F-Scale and Severe Weather Damage Assessment, Long Beach, CA, Amer. Meteor. Soc., P1.5. [Available online at http://ams.confex.com/ams/pdfpapers/56411.pdf].

    • Search Google Scholar
    • Export Citation

  • Janjić, Z. I., 1994: The step-mountain Eta coordinate model: Further developments of the convection, viscous sublayer, and turbulence closure schemes. Mon. Wea. Rev., 122 , 927–945.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Johns, R. H., and Hirt W. D. , 1987: Derechos: Widespread convectively induced windstorms. Wea. Forecasting, 2 , 32–49.

  • Kellenbenz, D. J., Grafenauer T. J. , and Davies J. M. , 2007: The North Dakota tornadic supercells of 18 July 2004: Issues concerning high LCL heights and evapotranspiration. Wea. Forecasting, 22 , 1200–1213.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Markowski, P. M., Rasmussen E. N. , Straka J. M. , and Dowell D. C. , 1998a: Observations of low-level baroclinity generated by anvil shadows. Mon. Wea. Rev., 126 , 2942–2958.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Markowski, P. M., Straka J. M. , Rasmussen E. N. , and Blanchard D. O. , 1998b: Variability of storm-relative helicity during VORTEX. Mon. Wea. Rev., 126 , 2959–2971.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Markowski, P. M., Straka J. M. , and Rasmussen E. N. , 2002: Direct surface thermodynamic observations within rear-flank downdrafts of nontornadic and tornadic supercells. Mon. Wea. Rev., 130 , 1692–1721.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Marshall, T. P., 2002: Tornado damage survey at Moore, Oklahoma. Wea. Forecasting, 17 , 582–598.

  • Rasmussen, E. N., 2003: Refined supercell and tornado forecast parameters. Wea. Forecasting, 18 , 530–535.

  • Rasmussen, E. N., and Blanchard D. O. , 1998: A baseline climatology of sounding-derived supercell and tornado forecast parameters. Wea. Forecasting, 13 , 1148–1164.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Sanders, F., and Doswell C. A. III, 1995: A case for detailed surface analysis. Bull. Amer. Meteor. Soc., 76 , 505–521.

  • Schaefer, J. T., and Edwards R. , 1999: The SPC tornado/severe thunderstorm database. Preprints, 11th Conf. on Applied Climatology, Dallas, TX, Amer. Meteor. Soc., 603–606.

    • Search Google Scholar
    • Export Citation

  • Thompson, R. L., Edwards R. , Hart J. A. , Elmore K. L. , and Markowski P. , 2003: Close proximity soundings within supercell environments obtained from the Rapid Update Cycle. Wea. Forecasting, 18 , 1243–1261.

    • Crossref
    • Search Google Scholar
    • Export Citation

  • Thompson, R. L., Mead C. M. , and Edwards R. , 2007: Effective storm-relative helicity and bulk shear in supercell thunderstorm environments. Wea. Forecasting, 22 , 102–115.

    • Crossref
    • Search Google Scholar
    • Export Citation
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