A numerical study of the 6 May 2012 Tsukuba City supercell tornado. Part I: Vorticity sources of low-level and midlevel mesocyclones

Monthly Weather Review

Volumn 144, Issue 3, 2016, Pages 1069-1092

  Mashiko, Wataru ^a  

^a METEOROLOGICAL RESEARCH INSTITUTE   (Japan)

Author keywords

Atm Ocean Structure Phenomena; Supercells; Tornadoes

Indexed keywords

HOOKS; RECONFIGURABLE HARDWARE; STORMS; VORTEX FLOW; VORTICITY;

ENVIRONMENTAL CONDITIONS; GENERATION MECHANISM; HIGH-RESOLUTION NUMERICAL SIMULATION; MESOCYCLONES; RETROGRADE MOTION; SUPER CELL; SUPERCELL STORMS; TORNADOGENESIS;

TORNADOES;

ATMOSPHERE-OCEAN SYSTEM; BAROCLINIC INSTABILITY; CYCLOGENESIS; MESOSCALE METEOROLOGY; NUMERICAL MODEL; SPATIAL RESOLUTION; SUPERCELL; VORTICITY;

HONSHU; IBARAKI; JAPAN; KANTO; TSUKUBA;

EID: 84961392953     PISSN: 00270644     EISSN: 15200493     Source Type: Journal    
DOI: 10.1175/MWR-D-15-0123.1     Document Type: Article

References (55)

1. Atkins, N. T., A. McGee, R. Ducharme, R. M. Wakimoto, and J. Wurman, 2012: The LaGrange tornado during VORTEX2. Part II: Photogrammetric analysis of the tornado combined with dual-Doppler radar data. Mon. Wea. Rev., 140, 2939-2958, doi:10.1175/MWR-D-11-00285.1.
2. Beck, J., and C. Weiss, 2013: An assessment of low-level baroclinity and vorticity within a simulated supercell. Mon. Wea. Rev., 141, 649-669, doi:10.1175/MWR-D-11-00115.1.
3. Beljaars, A. C. M., and A. A. M. Holtslag, 1991: Flux parameterization over land surfaces for atmospheric models. J. Appl. Meteor., 30, 327-341, doi:10.1175/1520-0450(1991)030<0327: FPOLSF>2.0.CO;2.
4. Brandes, E. A., 1981: Fine structure of the Del City-Edmond tornadic mesocirculation. Mon. Wea. Rev., 109, 635-647, doi:10.1175/1520-0493(1981)109<0635:FOTDCE>2.0.CO;2.
5. Browning, K. A., 1964: Airflow and precipitation trajectories within severe local storms which travel to the right of the winds. J.Atmos. Sci., 21, 634-639, doi:10.1175/1520-0469(1964)021<0634: AAPTWS>2.0.CO;2.
6. Byko, Z., P. M. Markowski, Y. Richardson, J. Wurman, and E. Adlerman, 2009: Descending reflectivity cores in supercell thunderstorms observed by mobile radars and in a highresolution numerical simulation. Wea. Forecasting, 24, 155-186, doi:10.1175/2008WAF2222116.1.
7. Dahl, J. M. L., M. D. Parker, and L. J. Wicker, 2012: Uncertainties in trajectory calculations within near-surface mesocyclones of simulated supercells. Mon. Wea. Rev., 140, 2959-2966, doi:10.1175/MWR-D-12-00131.1.
8. Dahl, J. M. L., M. D. Parker, and L. J. Wicker, 2014: Imported and storm-generated nearground vertical vorticity in a simulated supercell. J. Atmos. Sci., 71, 3027-3051, doi:10.1175/JAS-D-13-0123.1.
9. Davies-Jones, R. P., 1984: Streamwise vorticity: The origin of updraft rotation in supercell storms. J. Atmos. Sci., 41, 2991-3006, doi:10.1175/1520-0469(1984)041<2991: SVTOOU>2.0.CO;2.
10. Davies-Jones, R. P., 2006: Tornadogenesis in supercell storms-What we know and what we don't know. Symp. on the Challenges of Severe Convective Storms, Atlanta, GA, Amer. Meteor. Soc., 2.2. [Available online at https://ams.confex.com/ams/Annual2006/techprogram/paper_104563.htm.]
11. Davies-Jones, R. P., 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., 588-592.
12. Davies-Jones, R. P., R. J. Trapp, and H. B. Bluestein, 2001: Tornadoes and tornadic storms. Severe Convective Storms, Meteor. Monogr., No 50, Amer. Geophys. Union, 175-180.
13. Deardorff, J. W., 1980: Stratocumulus-capped mixed layers derived from a three-dimensional model. Bound.-Layer Meteor., 18, 495-527, doi:10.1007/BF00119502.
14. Ikawa, M., H. Mizuno, T. Matsuo, M. Murakami, Y. Yamada, and K. Saito, 1991: Numerical modeling of the convective snow cloud over the Sea of Japan: Precipitation mechanism and sensitivity to ice crystal nucleation rates. J. Meteor. Soc. Japan, 69, 641-667.
15. Japan Meteorological Agency, 2012: On the 6 May 2012 tornado outbreak. Meteorological survey report on the natural disaster (in Japanese), Japan Meteorological Agency, 14 pp. [Available online at http://www.jma.go.jp/jma/press/1206/08b/toppuhoukoku120608.pdf.]
16. Japan Meteorological Agency, 2013: Data assimilation systems. Outline of the operational numerical weather prediction at the Japan Meteorological Agency, JapanMeteorological Agency, 28-36. [Available from JMA, 1-3-4 Otemachi, Chiyoda-ku, Tokyo 100-8122, Japan.]
17. Klemp, J. B., 1987: Dynamics of tornadic thunderstorms. Annu. Rev. FluidMech., 19, 369-402, doi:10.1146/annurev.fl.19.010187.002101.
18. Klemp, J. B., and R. Rotunno, 1983: A study of the tornadic region within a supercell thunderstorm. J. Atmos. Sci., 40, 359-377, doi:10.1175/1520-0469(1983)040<0359:ASOTTR>2.0.CO;2.
19. Kosiba, K., J. Wurman, Y. Richardson, P. Markowski, P. Robinson, and J. Marquis, 2013: Genesis of the Goshen County, Wyoming, tornado on 5 June 2009 during VORTEX2. Mon. Wea. Rev., 141, 1157-1181, doi:10.1175/MWR-D-12-00056.1.
20. Lemon, L. R., and C. A. Doswell III, 1979: Severe thunderstorm evolution and mesocyclone structure as related to tornadogenesis. Mon. Wea. Rev., 107, 1184-1197, doi:10.1175/1520-0493(1979)107<1184:STEAMS>2.0.CO;2.
21. Lin, Y. H., R. D. Farley, and H. D. Orville, 1983: Bulk parameterization of the snow field in a cloud model. J. Climate Appl. Meteor., 22, 1065-1092, doi:10.1175/1520-0450(1983)022<1065: BPOTSF>2.0.CO;2.
22. Lorenz, E. N., 1960: Energy and numerical weather prediction. Tellus, 12, 364-373, doi:10.1111/j.2153-3490.1960.tb01323.x.
23. Markowski, P. M., 2002: Hook echoes and rear-flank downdrafts: A review. Mon. Wea. Rev., 130, 852-876, doi:10.1175/1520-0493(2002)130<0852:HEARFD>2.0.CO;2.
24. Lorenz, E. N., and Y. Richardson, 2014: The influence of environmental lowlevel shear and cold pools on tornadogenesis: Insights from idealized simulations. J. Atmos. Sci., 71, 243-275, doi:10.1175/JAS-D-13-0159.1.
25. Lorenz, E. N., J. M. Straka, and E. N. Rasmussen, 2002: Direct surface thermodynamic observations within the rear-flank downdrafts of nontornadic and tornadic supercells. Mon. Wea. Rev., 130, 1692-1721, doi:10.1175/1520-0493(2002)130<1692: DSTOWT>2.0.CO;2.
26. Lorenz, E. N., E. N. Rasmussen, J. M. Straka, R. Davies-Jones, Y. Richardson, and R. J. Trapp, 2008: Vortex lines within lowlevel mesocyclones obtained from pseudo-dual-Doppler radar observations. Mon. Wea. Rev., 136, 3513-3535, doi:10.1175/2008MWR2315.1.
27. Lorenz, E. N., M. Majcen, Y. Richardson, J. Marquis, and J. Wurman, 2011: Characteristics of the wind field in a trio of nontornadic low-level mesocyclones observed by the Doppler on wheels radars. Electron. J. Severe Storms Meteor., 6 (3). [Available online at http://www.ejssm.org/ojs/index.php/ejssm/article/viewArticle/75.]
28. Lorenz, E. N., and Coauthors, 2012a: The pretornadic phase of the Goshen County, Wyoming, supercell of 5 June 2009 intercepted by VORTEX2. Part I: Evolution of kinematic and surface thermodynamic fields. Mon. Wea. Rev., 140, 2887-2915, doi:10.1175/MWR-D-11-00336.1.
29. Lorenz, E. N., and Coauthors, 2012b: The pretornadic phase of the Goshen County, Wyoming, supercell of 5 June 2009 intercepted by VORTEX2. Part II: Intensification of low-level rotation. Mon. Wea. Rev., 140, 2916-2938, doi:10.1175/MWR-D-11-00337.1.
30. Marquis, J., Y. Richardson, P. M. Markowski, D. Dowell, and J. Wurman, 2012: Tornado maintenance investigated with high-resolution dual-Doppler and EnKF analysis. Mon. Wea. Rev., 140, 3-27, doi:10.1175/MWR-D-11-00025.1.
31. Mashiko, W., H. Niino, and T. Kato, 2009: Numerical simulation of tornadogenesis in an outer-rainband minisupercell of Typhoon Shanshan on 17 September 2006. Mon. Wea. Rev., 137, 4238-4260, doi:10.1175/2009MWR2959.1.
32. McCaul, E. W., Jr., 1991: Buoyancy and shear characteristics of hurricane-tornado environments. Mon. Wea. Rev., 119, 1954-1978, doi:10.1175/1520-0493(1991)119<1954:BASCOH>2.0.CO;2.
33. McCaul, E. W., Jr., and M. L. Weisman, 1996: Simulation of shallow supercell storms in landfalling hurricane environments. Mon. Wea. Rev., 124, 408-429, doi:10.1175/1520-0493(1996)124<0408: SOSSSI>2.0.CO;2.
34. Molinari, J., and D. Vollaro, 2008: Extreme helicity and intense convective towers in Hurricane Bonnie. Mon. Wea. Rev., 136, 4355-4372, doi:10.1175/2008MWR2423.1.
35. Molinari, J., and D. Vollaro, 2010: Distribution of helicity, CAPE, and shear in tropical cyclones. J. Atmos. Sci., 67, 274-284, doi:10.1175/2009JAS3090.1.
36. Murakami, M., 1990: Numerical modeling of dynamical and microphysical evolution of an isolated convective cloud-The 19 July 1981 CCOPE cloud. J. Meteor. Soc. Japan, 68, 107-128.
37. Noda, A., and H. Niino, 2010: A numerical investigation of a supercell tornado: Genesis and vorticity budget. J. Meteor. Soc. Japan, 88, 135-159, doi:10.2151/jmsj.2010-203.
38. Parker, M. D., and J. M. L. Dahl, 2015: Production of near-surface vertical vorticity by idealized downdrafts. Mon. Wea. Rev., 143, 2795-2816, doi:10.1175/MWR-D-14-00310.1.
39. 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, doi:10.1175/1520-0493(2000)128<0174: TAOSTW>2.0.CO;2.
40. Rotunno, R., and J. Klemp, 1982: The influence of the shearinduced pressure gradient on thunderstorm motion. Mon. Wea. Rev., 110, 136-151, doi:10.1175/1520-0493(1982)110<0136: TIOTSI>2.0.CO;2.
41. Rotunno, R., and J. Klemp, 1985: On the rotation and propagation of simulated supercell thunderstorms. J. Atmos. Sci., 42, 271-292, doi:10.1175/1520-0469(1985)042<0271:OTRAPO>2.0.CO;2.
42. Saito, K., and Coauthors, 2006: The operational JMA nonhydrostatic mesoscale model. Mon. Wea. Rev., 134, 1266-1298, doi:10.1175/MWR3120.1.
43. Schenkman, A. D., M. Xue, and M. Hu, 2014: Tornadogenesis in a high-resolution simulation of the 8 May 2003 Oklahoma City supercell. J. Atmos. Sci., 71, 130-154, doi:10.1175/JAS-D-13-073.1.
44. Schumacher, P. N., and J. M. Boustead, 2011: Mesocyclone evolution associated with varying shear profiles during the 24 June 2003 tornado outbreak. Wea. Forecasting, 26, 808-827, doi:10.1175/WAF-D-10-05021.1.
45. Shabbott, C. J., and P. M. Markowski, 2006: Surface in situ observations within the outflow of forward-flank downdrafts of supercell thunderstorms. Mon. Wea. Rev., 134, 1422-1441, doi:10.1175/MWR3131.1.
46. Shoji, Y., H. Yamauchi, W. Mashiko, and E. Sato, 2014: Estimation of local-scale precipitable water vapor distribution around each GNSS station using slant path delay. SOLA, 10, 29-33, doi:10.2151/sola.2014-007.
47. 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/issue/view/11.]
48. 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, 18, 1243-1261, doi:10.1175/1520-0434(2003)018<1243: CPSWSE>2.0.CO;2.
49. Thompson, R. L., C. M. Mead, and R. Edwards, 2007: Effective stormrelative helicity and bulk shear in supercell thunderstorm environments. Wea. Forecasting, 22, 102-115, doi:10.1175/WAF969.1.
50. Trapp, R. J., G. J. Stumpf, and K. L. Manross, 2005:Areassessment of the percentage of tornadic mesocyclones. Wea. Forecasting, 20, 680-687, doi:10.1175/WAF864.1.
51. Wakimoto, R. M., and H. Cai, 2000: Analysis of a nontornadic storm during VORTEX 95. Mon. Wea. Rev., 128, 565-592, doi:10.1175/1520-0493(2000)128<0565:AOANSD>2.0.CO;2.
52. Wakimoto, R. M., H. V. Murphy, and H. Cai, 2004: The San Angelo, Texas, supercell of 31 May 1995: Visual observations and tornadogenesis. Mon. Wea. Rev., 132, 1269-1293, doi:10.1175/1520-0493(2004)132<1269:TSATSO>2.0.CO;2.
53. Wicker, L. J., 1996: The role of near surface wind shear on low-level mesocyclone generation and tornadoes. Preprints, 18th Conf. on Severe Local Storms, San Francisco, CA, Amer. Meteor. Soc., 115-119.
54. Wicker, L. J., and R. Wilhelmson, 1995: Simulation and analysis of tornado development and decay within a threedimensional supercell thunderstorm. J. Atmos. Sci., 52, 2675-2703, doi:10.1175/1520-0469(1995)052<2675: SAAOTD>2.0.CO;2.
55. Yamauchi, H., H. Niino, O. Suzuki, Y. Syoji, E. Sato, and W. Mashiko, 2013: Vertical structure of the Tsukuba F3 tornado on 6 May 2012 as revealed by a polarimetric radar. 36th Conf. on Radar Meteorology, Breckenridge, CO, Amer. Meteor. Soc., 320. [Available online at https://ams.confex.com/ams/36Radar/webprogram/Manuscript/Paper228827/320_yamauchi_36th_ams_radar_conf_ver11.pdf.]