Mesocyclone evolution associated with varying shear profiles during the 24 June 2003 tornado outbreak

Weather and Forecasting

Volumn 26, Issue 6, 2011, Pages 808-827

  Schumacher, Philip N ^a   Boustead, Joshua M ^b  

^a NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

^b NOAA/National Weather Service   (United States)

Author keywords

Convective storms; Convective scale processes; Storm environments

Indexed keywords

CONVECTIVE AVAILABLE POTENTIAL ENERGIES; CONVECTIVE INSTABILITIES; CONVECTIVE STORMS; CONVECTIVE-SCALE PROCESSES; DEEP MOIST CONVECTION; GEOGRAPHICAL AREA; HODOGRAPHS; LOW LEVEL JET; MESOCYCLONES; POST-EVENT ANALYSIS; ROTATIONAL VELOCITY; SHEAR PROFILE; SPACE AND TIME; SUPER CELL; SURFACE BOUNDARIES; TORNADO OUTBREAK; VERTICAL WIND; VERTICAL WIND SHEAR; WARM FRONTS;

BOUNDARY LAYER FLOW; MORPHOLOGY; STORMS; TORNADOES;

SHEAR FLOW;

ATMOSPHERIC CONVECTION; ATMOSPHERIC FORCING; BOUNDARY LAYER; MESOSCALE METEOROLOGY; MIXED LAYER; STORM; TORNADO; WIND PROFILE;

EID: 84857282666     PISSN: 08828156     EISSN: None     Source Type: Journal    
DOI: 10.1175/WAF-D-10-05021.1     Document Type: Article

References (41)

1. Atkins, N. T., and M. S. Laurent, 2009: Bow echo mesovorticies. Part II: Their genesis. Mon. Wea. Rev., 137, 1514-1532.
2. Atkins, N. T., M. L. Weisman, and L. J. Wicker, 1999: The influence of preexisting boundaries on supercell evolution. Mon. Wea. Rev., 127, 2910-2927.
3. Atkins, N. T., C. S. Bouchard, R. W. Przybylinski, R. J. Trapp, and G. Schmocker, 2005: Damaging surface wind mechanisms within the 10 June 2003 Saint Louis bow echo during BAMEX. Mon. Wea. Rev., 133, 2275-2296.
4. Benjamin, S. G., and Coauthors, 2002: RUC20-The 20-km version of the Rapid Update Cycle. NOAA Tech. Memo. OAR FSL 28, Forecast Systems Laboratory, 9 pp.
5. Brooks, H. E., C. A. Doswell III, and J. Cooper, 1994a: On the environments of tornadic and nontornadic mesocyclones. Wea. Forecasting, 9, 606-618.
6. Brooks, H. E., C. A. Doswell III, and R. B. Wilhelmson, 1994b: The role of midtropospheric winds in the evolution and maintenance of low-level mesocyclones. Mon. Wea. Rev., 122, 126-136.
7. Bunkers, M. J., 2002: Vertical wind shear associated with leftmoving supercells. Wea. Forecasting, 17, 845-855.
8. Clark, A. J., C. J. Schaffer, W. A. Gallus Jr., and K. Johnson-O'Mara, 2009: Climatology of storm reports relative to upperlevel jet streaks. Wea. Forecasting, 24, 1032-1051.
9. Darkow, G. L., and M. G. Fowler, 1971: Tornado proximity soundings wind analysis. Preprints, Seventh Conf. on Severe Local Storms, Kansas City, MO, Amer. Meteor. Soc., 148-151.
10. Davies-Jones, R., 1984: Streamwise vorticity: The origin of updraft rotation in supercell storms. J. Atmos. Sci., 41, 2991-3006.
11. Davies-Jones, R., D. Burgess, and M. Foster, 1990: Test of helicity as a tornado forecast parameter. Preprints, 16th Conf. on Severe Local Storms, Kananaskis Park, AB, Canada, Amer. Meteor. Soc., 558-592.
12. desJardins, M. L., K. F. Brill, and S. S. Schotz, 1991: GEMPAK5 user's guide. NASA Tech. Memo. 4260, 232 pp. [Available from NASA, Code NTT-4, Washington, DC 20546-0001.]
13. Doswell, C. A., III, and E. N. Rasmussen, 1994: The effect of neglecting the virtual temperature correction on CAPE calculations. Wea. Forecasting, 9, 625-629.
14. Doswell, C. A., III, R. Edwards, R. L. Thompson, J. A. Hart, and K. C. Crosbie, 2006:Asimple and flexible method for ranking severe weather events. Wea. Forecasting, 21, 939-951.
15. Fawbush, E. J., and R. C. Miller, 1954: The types of air masses in which North American tornadoes form. Bull. Amer. Meteor. Soc., 35, 154-165.
16. Fujita, T. T., 1971: Proposed characterization of tornadoes and hurricanes by area and intensity. SMRP Research Paper 91, University of Chicago, 42 pp. [Available from Wind Engineering Research Center, Box 41023, Lubbock, TX 79409.]
17. Funk, T. W., K. E. Darmofal, J. D. Kirkpatrick, V. L. DeWald, R. W. Przybylinski, G. K. Schmocker, and Y.-J. Lin, 1999: Storm reflectivity and mesocyclone evolution associated with the 15 April 1994 squall line over Kentucky and southern Indiana. Wea. Forecasting, 14, 976-993.
18. Galway, J. G., 1977: Some climatological aspects of tornado outbreaks. Mon. Wea. Rev., 105, 477-484.
19. Houston, A. L., R. L. Thompson, and R. Edwards, 2008: The optimal bulk wind differential depth and the utility of the uppertropospheric storm-relative flow for forecasting supercells. Wea. Forecasting, 23, 825-837.
20. Kis, A. K., and J. M. Straka, 2010: Nocturnal tornado climatology. Wea. Forecasting, 25, 545-561.
21. Klemp, J. B., and R. B. Wilhelmson, 1978: Simulations of right- and left- moving storms produced through storm splitting. J. Atmos. Sci., 35, 1097-1110.
22. Lanicci, J. M., and T. T. Warner, 1991: A synoptic climatology of the elevated mixed-layer inversion over the southern Great Plains in spring. Part I: Structure, dynamics, and seasonal evolution. Wea. Forecasting, 6, 181-197.
23. Maddox, R. A., 1976: An evaluation of tornado proximity wind and stability data. Mon. Wea. Rev., 104, 133-143.
24. Markowski, P. M., E. N. Rasmussen, and J. M. Straka, 1998a: The occurrence of tornadoes in supercells interacting with boundaries during VORTEX-95. Wea. Forecasting, 13, 852-859.
25. Markowski, P. M., J. M. Straka, E. N. Rasmussen, and D. O. Blanchard, 1998b: Variability of storm-relative helicity during VORTEX. Mon. Wea. Rev., 126, 2959-2971.
26. Markowski, P. M., J. M. Straka, and E. N. Rasmussen, 2002: Direct surface thermodynamic observations within rear-flank downdrafts of nontornadic and tornadic supercells. Mon. Wea. Rev., 130, 1692-1721.
27. Mitchell, M. J., R. W. Arritt, and K. Labas, 1995: A climatology of the warm season Great Plains low-level jet using wind profiler observations. Wea. Forecasting, 10, 576-591.
28. Rasmussen, E. N., and R. B. Wilhelmson, 1983: Relationships between storm characteristics and 1200 GMT hodographs, low level shear, and stability. Preprints, 13th Conf. on Severe Local Storms, Tulsa, OK, Amer. Meteor. Soc., J5-J8.
29. Rasmussen, E. N., and D. O. Blanchard, 1998: A baseline climatology of sounding-derived supercell and tornado forecast parameters. Wea. Forecasting, 13, 1148-1164.
30. Rasmussen, E. N., S. Richardson, J. M. Straka, P. M. Markowski, and D. O. Blanchard, 2000: The association of significant tornadoes with a baroclinic boundary on 2 June 1995. Mon. Wea. Rev., 128, 174-191.
31. Rotunno, R., and J. B. Klemp, 1985: On the rotation and propagation of simulated supercell thunderstorms. J. Atmos. Sci., 42, 271-292.
32. Straka, J. M., E. N. Rasmussen, R. P. Davies-Jones, and P. M. Markowski, 2007: An observational and idealized numerical examination of low-level counter-rotating vortices in the rear flank of supercells. Electron. J. Severe Storms Meteor., 2 (8). [Available online at http://www.ejssm.org/ojs/index.php/ejssm/article/viewFile/32/33.]
33. Thompson, R. L., R. Edwards, J. A. Hart, K. L. Elmore, and P. Markowski, 2003: Close proximity soundings within supercell environments obtained from the Rapid Update Cycle. Wea. Forecasting, 15, 682-699.
34. Trapp, R. J., and M. L. Weisman, 2003: Low-level mesovortices within squall lines and bow echoes. Part II: Their genesis and implications. Mon. Wea. Rev., 131, 2804-2823.
35. Trapp, R. J., E. D. Mitchell, G. A. Tipton, D. W. Effertz, A. I. Watson, D. L. Andra Jr., and M. A. Magsig, 1999: Descending and nondescending tornadic vortex signatures detected by WSR-88Ds. Wea. Forecasting, 14, 625-639.
36. Uccellini, L. W., and D. R. Johnson, 1979: The coupling of upper and lower tropospheric jet streaks and implications for the development of severe convective storms. Mon. Wea. Rev., 107, 682-703.
37. Wakimoto, R. M., H. V. Murphey, C. A. Davis, and N. T. Atkins, 2006: High winds generated by bow echoes. Part II: The relationship between the mesovortices and damaging straightline winds. Mon. Wea. Rev., 134, 2813-2829.
38. Weisman, M. L., and J. B. Klemp, 1982: The dependence of numerically simulated convective storms on vertical wind shear and buoyancy. Mon. Wea. Rev., 110, 504-520.
39. Weisman, M. L., and R. Rotunno, 2000: The use of vertical wind shear versus helicity in interpreting supercell dynamics. J. Atmos. Sci., 57, 1452-1472.
40. Weisman, M. L., and R. J. Trapp, 2003: Low-level mesovortices within squall lines and blow echoes. Part I: Overview and dependence on environmental shear. Mon. Wea. Rev., 131, 2779-2803.
41. Wilhelmson, R. B., and J. B. Klemp, 1978: A numerical study of storm splitting that leads to long-lived storms. J. Atmos. Sci., 35, 1974-1986.