Thermodynamic and vertical velocity structure of two gust fronts observed with a wind profiler/RASS during MCTEX

Monthly Weather Review

Volumn 127, Issue 8, 1999, Pages 1796-1807

  May, Peter T ^a  

^a BUREAU OF METEOROLOGY RESEARCH CENTRE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY LAYERS; CLOUDS; COOLING; DOPPLER EFFECT; PRECIPITATION (METEOROLOGY); TROPOSPHERE; WIND EFFECTS;

GUST FRONTS;

METEOROLOGY;

WIND GUST; WIND PROFILE; WIND VELOCITY;

FRONTAL FEATURE; UPDRAFT; WIND PROFILE; WIND VELOCITY;

EID: 0032744147     PISSN: 00270644     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0493(1999)127<1796:TAVVSO>2.0.CO;2     Document Type: Article

References (36)

1. Benjamin, T. B., 1968: Gravity currents and related phenomena. J. Fluid Mech., 31, 209-248.
2. Carbone, R. E., 1982: A severe frontal rainband. Part I: Stormwide hydrodynamic structure. J. Atmos. Sci., 39, 258-279.
3. _, J. W. Conway, N. A. Crook, and M. W. Moncrieff, 1990: The generation and propagation of a nocturnal squall line. Part I: Observations and implications for mesoscale predictability. Mon. Wea. Rev., 118, 26-49.
4. _, T. D. Keenan, J. W. Wilson, and J. M. Hacker, 1997: Boundary layer structures and the role of breezes in forcing deep island convection. Preprints, 28th Conf. on Radar Meteorology, Austin, TX, Amer. Meteor. Soc., 565-566.
5. Charba, J., 1974: Application of gravity current model to analysis of squall-line gust front. Mon. Wea. Rev., 102, 140-156.
6. Doviak, R. J., and D. S. Zrnic, 1993: Doppler Radar and Weather Observations. 2d ed. Academic Press, 562 pp.
7. Droegemeier, K. K., and R. B. Wilhelmson, 1985: Three-dimensional numerical modeling of convection produced by interacting thunderstorm outflows. Part I: Control simulation and low level moisture variations. J. Atmos. Sci., 42, 2381-2403.
8. Ecklund, W. L., D. A. Carter, B. B. Balsley, P. E. Currier, J. L. Green, B. L. Weber, and K. S. Gage, 1990: Field tests of a lower tropospheric wind profiler. Radio Sci., 25, 899-906.
9. Foote, G. B., and P. S. du Toit, 1969: Terminal velocity of raindrops aloft. J. Appl. Meteor., 8, 249-253.
10. Goff, R. C., 1976: Vertical structure of thunderstorm outflows. Mon. Wea. Rev., 104, 1429-1440.
11. Gossard, E. E., 1988: Measuring drop-size distributions in clouds with clear-air sensing radar. J. Atmos. Oceanic Technol., 5, 640-649.
12. Johnson, B. C., 1983: The heat burst of 29 May 1976. Mon. Wea. Rev., 111, 1776-1792.
13. Johnson, R. H., S. Chen, and J. J. Toth, 1989: Circulations associated with a mature-to-decaying midlatitude mesoscale convective system. Part I: Surface features - Heat bursts and mesolow development. Mon. Wea. Rev., 117, 942-959.
14. Keenan, T. D., and Coauthors, 1994: Science plan - Maritime Continent Thunderstorm Experiment. BMRC Research Rep. 44, 61 pp. [Available from BMRC, G.P.O. Box 1289K, Melbourne 3001. Victoria, Australia.]
15. _, K. Glasson, F. Cummings, T. Bird, J. Keeler, and J. Lutz, 1998: The BMRC/NCAR C-Band polarimetric (C-Pol) radar system. J. Atmos. Oceanic Technol., 15, 871-886.
16. Knupp, K. R., and W. R. Cotton, 1982: An intense, quasi-steady thunderstorm over mountainous terrain. Part II. Doppler radar observations of the storm morphological structure. J. Atmos. Sci., 39, 343-358.
17. Kuettner, J. P., P. A. Hildebrand, and T. L. Clark, 1987: Convection waves: Observations of gravity wave systems over convectively active boundary layers. Quart. J. Roy. Meteor. Soc., 113, 445-467.
18. Liu, C.-H., and M. W. Moncrieff, 1996a: A numerical study of the effects of ambient flow and shear on density currents. Mon. Wea. Rev., 124, 2282-2303.
19. _, and _, 1996b: An analytical study of density currents in sheared, stratified fluids including the effects of latent heating. J. Atmos. Sci., 53, 3303-3312.
20. Mahoney, W. P., 1988: Gust front characteristics and the kinematics associated with interacting thunderstorm outflows. Mon. Wea. Rev., 116, 1474-1491.
21. Mariner, B. E., 1997: Vertical velocities in a thunderstorm gust front and outflow. J. Appl. Meteor., 36, 615-622.
22. May, P. T., R. G. Strauch, K. P. Moran, and W. E. Ecklund, 1990: Temperature sounding by RASS with wind profiler radars: A preliminary study. IEEE Trans. Geosci. Remote Sens., 28, 19-28.
23. _, W. L. Ecklund, and G. D. Hess, 1995: Spectral and bispectral characteristics of wind variability at Darwin, Australia measured by a 50 MHz radar wind profiler. Quart. J. Roy. Meteor. Soc., 121, 527-544.
24. Mueller, C. K., and R. E. Carbone, 1987: Dynamics of a thunderstorm outflow. J. Atmos. Sci., 44, 1879-1898.
25. Passarelli, R. E., P. Romanik, S. G. Geotis, and A. D. Siggia, 1981: Ground clutter rejection in the frequency domain. Preprints, 20th Conf. on Radar Meteorology, Boston, MA, Amer. Meteor. Soc., 295-300.
26. Rotunno, R., J. B. Klemp, and M. L. Weisman, 1988: A theory for strong, long-lived squall lines. J. Atmos. Sci., 45, 463-485.
27. Seitter, K. L., 1986: A numerical study of atmospheric density current motion including the effect of condensation. J. Atmos. Sci., 43, 3068-3076.
28. _, and H. S. Muench, 1985: Observation of a cold front with rope cloud. Mon. Wea. Rev., 113, 840-848.
29. Shapiro, M. A., T. Hampel, D. Rotzoll, and F. Mosher, 1985: The frontal hydraulic head: A micro-α scale (∼1 km) triggering mechanism for mesoconvective weather systems. Mon. Wea. Rev., 113, 1166-1183.
30. Simpson, J. E., 1969: A comparison between laboratory and atmospheric density currents. Quart. J. Roy. Meteor. Soc., 95, 758-765.
31. _, and R. E. Britten, 1980: A laboratory model of an atmospheric mesofront. Quart. J. Roy. Meteor. Soc., 106, 485-500.
32. Thorpe, A. J., M. J. Miller, and M. W. Moncrieff, 1982: Two-dimensional convection in non-constant shear: A model of midlatitude squall lines. Quart. J. Roy. Meteor. Soc., 108, 739-762.
33. Wakimoto, R. M., 1982: The life cycle of thunderstorm gust fronts as viewed with Doppler radar and rawinsonde data. Mon. Wea. Rev., 110, 1060-1082.
34. Weckworth, T. M., and R. M. Wakimoto, 1992: The initiation and organization of convective cells atop a cold-air outflow boundary. Mon. Wea. Rev., 120, 2169-2187.
35. Wilson, J. W., and W. E. Schreiber, 1986: Initiation of convective storms at radar observed bouncary-layer convergence lines. Mon. Wea. Rev., 114, 2516-2536.
36. _, T. D. Keenan, and R. E. Carbone, 1997: Hector initiation: Is it a breeze? Preprints, 28th Conf. on Radar Meteorology, Austin, TX, Amer. Meteor. Soc., 567-568.