Wintertime cold-air pools in the Bavarian Danube Valley basin: Data analysis and idealized numerical simulations

Journal of Applied Meteorology

Volumn 44, Issue 12, 2005, Pages 1950-1971

  Zängl, Günther ^a  

^a UNIVERSITY OF MUNICH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC PRESSURE; ATMOSPHERIC TEMPERATURE; CATCHMENTS; COMPUTER SIMULATION; EARTH ATMOSPHERE; MATHEMATICAL MODELS;

AMBIENT FLOW; AMBIENT WIND DIRECTION; TOPOGRAPHY; TURBULENT VERTICAL MIXING; WINTERTIME COLD-AIR POOLS;

WIND;

REGIONAL CLIMATE; WARM FRONT;

EID: 31944438003     PISSN: 08948763     EISSN: None     Source Type: Journal    
DOI: 10.1175/JAM2321.1     Document Type: Article

References (30)

1. Colette, A., F. K. Chow, and R. L. Street, 2003: A numerical study of inversion-layer breakup and the effects of topographic shading in idealized valleys. J. Appl. Meteor., 42, 1255-1272.
2. Dudhia, J., 1989: Numerical study of convection observed during the Winter Monsoon Experiment using a mesoscale two-dimensional model. J. Atmos. Sci., 46, 3077-3107.
3. Fast, J. D., S. Zhong, and C. D. Whiteman, 1996: Boundary layer evolution within a canyonland basin. Part II: Numerical simulations of nocturnal flows and heat budgets. J. Appl. Meteor., 35, 2162-2178.
4. Grell, G. A., J. Dudhia, and D. R. Stauffer, 1995: A description of the fifth-generation Penn State/NCAR Mesoscale Model (MM5). NCAR Tech. Note NCAR/TN-398+STR, 122 pp.
5. Groß, G., and F. Wippermann, 1987: Channeling and countercurrent in the upper Rhine Valley: Numerical simulations. J. Climate Appl. Meteor., 26, 1293-1304.
6. Klemp, J. B., and D. R. Durran, 1983: An upper boundary condition permitting internal gravity wave radiation in numerical mesoscale models. Mon. Wea. Rev., 111, 430-444.
7. Lee, T. J., R. A. Pielke, R. C. Kessler, and J. Weaver, 1989: Influence of cold pools downstream of mountain barriers on downslope winds and flushing. Mon. Wea. Rev., 117, 2041-2058.
8. Mlawer, E. J., S. J. Taubman, P. D. Brown, M. J. Iacono, and S. A. Clough, 1997: Radiative transfer for inhomogeneous atmosphere: RRTM, a validated correlated-k model for the long-wave. J. Geophys. Res., 102, 16 663-16 682.
9. Petkovšek, Z., 1985: Die Beendigung von Luftverunreinigungsperioden in Talbecken (The termination of air pollution periods in basins). Z. Meteor., 35, 370-372.
10. Petkovšek, Z., 1992: Turbulent dissipation of cold air lake in a basin. Meteor. Atmos. Phys., 47, 237-245.
11. Petkovšek, Z., and T. Vrhovec, 1994: Note on influences of inclined fog lakes on the air pollution in them and on the irradiance above them. Meteor. Z., 3, 227-232.
12. Rakovec, J., J. Merše, S. Jernej, and B. Paradiž, 2002: Turbulent dissipation of the cold-air pool in a basin: Comparison of observed and simulated development. Meteor. Atmos. Phys., 79, 195-213.
13. Schär, C., D. Leuenberger, O. Fuhrer, D. Lüthi, and C. Girard, 2002: A new terrain-following vertical coordinate for atmospheric prediction models. Mon. Wea. Rev., 130, 2459-2480.
14. Schipper, J. W., 2005: Downscalling of precipitation in the upper Danube catchment area. Ph.D. thesis, University of Munich, 92 pp.
15. Shafran, P. C., N. L. Seaman, and G. A. Gayno, 2000: Evaluation of numerical predictions of boundary layer structure during the Lake Michigan Ozone Study (LMOS). J. Appl. Meteor., 39, 412-426.
16. Vrhovec, T., 1991: A cold air lake formation in a basin - A simulation with a mesoscale numerical model. Meteor. Atmos. Phys., 8, 91-99.
17. Vrhovec, T., and A. Hrabar, 1996: Numerical simulations of dissipation of dry temperature inversions in basins. Geofizika, 13, 81-96.
18. Whiteman, C. D., 1982: Breakup of temperature inversions in deep mountain valleys: Part I. Observations. J. Appl. Meteor., 21, 270-289.
19. Whiteman, C. D., and T. B. McKee, 1982: Breakup of temperature inversions in deep mountain valleys: Part II. Thermodynamic model. J. Appl. Meteor., 21, 290-302.
20. Whiteman, C. D., and J. C. Doran, 1993: The relationship between overlying synoptic-scale flows and winds within a valley. J. Appl. Meteor., 32, 1669-1682.
21. Whiteman, C. D., S. Zhong, and X. Bian, 1999a: Wintertime boundary layer structure in the Grand Canyon. J. Appl. Meteor., 38, 1084-1102.
22. Whiteman, C. D., X. Bian, and S. Zhong, 1999b: Wintertime evolution of the temperature inversion in the Colorado Plateau basin. J. Appl. Meteor., 38, 1103-1117.
23. Zängl, G., 2002a: Stratified flow over a mountain with a gap. Linear theory and numerical simulations. Quart. J. Roy. Meteor. Soc., 128, 927-949.
24. Zängl, G., 2002b: An improved method for computing horizontal difiusion in a sigma-coordinate model and its application to simulations over mountainous topography. Mon. Wea. Rev., 130, 1423-1432.
25. Zängl, G., 2003a: The impact of upstream blocking, drainage flow and the geostrophic pressure gradient on the persistence of cold air pools. Quart. J. Roy. Meteor. Soc., 129, 117-137.
26. Zängl, G., 2003b: A generalized sigma coordinate system for the MM5. Mon. Wea. Rev., 131, 2875-2884.
27. Zängl, G., 2005a: Dynamical aspects of wintertime cold-air pools in an Alpine valley system. Mon. Wea. Rev., 133, 2721-2740.
28. Zängl, G., 2005b: Large-scale-flow interactions with the Alps and their impact on the low-level temperature field in the northern foreland. Meteor. Z., 13, 379-386.
29. Zhong, S., C. D. Whiteman, X. Bian, W. J. Shaw, and J. M. Hubbe, 2001: Meteorological processes affecting the evolution of a wintertime cold air pool in the Columbia basin. Mon. Wea. Rev., 129, 2600-2613.
30. Zhong, S., X. Bian, and C. D. Whiteman, 2003: Time-scale for cold-air pool breakup by turbulent erosion. Meteor. Z., 12, 229-233.