Fõhn as a response to changing upstream and downstream air masses

Quarterly Journal of the Royal Meteorological Society

Volumn 134, Issue 635, 2008, Pages 1357-1369

  Mayr, Georg J ^a   Armi, Laurence ^b  

^a UNIVERSITY OF INNSBRUCK   (Austria)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Gap flow; Hydraulics; MAP; Stratified flow

Indexed keywords

ADVECTION; FLUID DYNAMICS; LANDFORMS; MAPS; TURBULENT FLOW; WEATHER INFORMATION SERVICES;

AIR MASSES; AUTOMATIC WEATHER STATIONS; CENTRAL ALPS; COLD AIRS; EASTERN EDGES; GAP FLOW; INSTRUMENTED CARS; MAXIMUM DEPTHS; MESOSCALE ALPINE PROGRAMME; POTENTIAL TEMPERATURES; RADIOSONDE DATUMS; STRATIFIED FLOW; WARM AIRS; WARMER AIRS;

FORESTRY;

ADVECTION; AIR MASS; AIRBORNE SURVEY; COLD AIR; LEE WAVE; MESOSCALE METEOROLOGY; OROGRAPHIC EFFECT; POTENTIAL TEMPERATURE; RADIOSONDE; STRATIFIED FLOW;

ALPS; AUSTRIA; CENTRAL ALPS; CENTRAL EUROPE; EURASIA; EUROPE; TYROL; WIPP VALLEY;

EID: 57349160807     PISSN: 00359009     EISSN: None     Source Type: Journal    
DOI: 10.1002/qj.295     Document Type: Article

References (20)

1. Armi L. 1986. The hydraulics of two flowing layers with different densities. J. Fluid Mech. 163: 27-58.
2. Armi L, Mayr GJ. 2007. Stratified flow across an alpine crest with a pass: Shallow and deep flows. Q. J. R. Meteorol. Soc. 133: 459-477.
3. Colle BA, Mass CF. 1998a. Windstorms along the western side of the Washington Cascade Mountains. Part I: A high-resolution observational and modeling study of the 12 February 1995 event. Mon. Weather Rev. 126: 28-52.
4. Colle BA, Mass CF. 1998b. Windstorms along the western side of the Washington Cascade Mountains. Part II: Characteristics of past events and three-dimensional idealized simulations. Mon. Weather Rev. 126: 53-71.
5. Colman BR, Dierking CF. 1992. The Taku wind of southeast Alaska: Its identification and prediction. Weather and Forecasting 7: 49-64.
6. Flamant C, Drobinski P, Nance L, Banta R, Darby L, Dusek J, Hardesty M, Pelon J, Richard E. 2002. Gap flow in an Alpine valley during a shallow south föhn event: Observations, numerical simulations and hydraulic analogue. Q. J. R. Meteorol. Soc. 128: 1173-1210.
7. Gaberšek S, Durran DR. 2004. Gap flows through idealized topography. Part I: Forcing by large-scale winds in the nonrotating limit. J. Atmos. Sci. 61: 2846-2862.
8. Garner S. 1995. Permanent and transient upstream effects in nonlinear stratified flow over a ridge. J. Atmos. Sci. 52: 227-246.
9. Gohm A, Mayr GJ. 2004. Hydraulic aspects of föhn winds in an Alpine valley. Q. J. R. Meteorol. Soc. 130: 449-480, doi:10.1256/ qj.03.28.
10. Jackson PL, Steyn DG. 1994a. Gap winds in a fjord. Part I: Observations and numerical simulation. Mon. Weather Rev. 122: 2645-2665.
11. Jackson PL, Steyn DG. 1994b. Gap winds in a fjord. Part II: Hydraulic analog. Mon. Weather Rev. 122: 2666-2676.
12. Kanitscheider R. 1932. Beiträge zur Mechanik des Föhns. Beitr. Phys. frei. Atmos. 18: 27-49.
13. Mayr GJ, Armi L, Arnold S, Banta RM, Darby LS, Durran DR, Flamant C, Gaberscaronek S, Gohm A, Mayr R, Mobbs S, Nance LB, Vergeiner I, Vergeiner J, Whiteman CD. 2004. Gap flow measurements during the Mesoscale Alpine Programme. Meteorol. Atmos. Phys. 86: 99-119.
14. Mayr GJ, Vergeiner J, Gohm A. 2002. An automobile platform for the measurement of foehn and gap flows. J. Atmos. Oceanic Technol. 19: 1545-1556.
15. Mayr GJ, Armi L, Gohm A, Zängl G, Durran DR, Flamant C, Gaberscaronek S, Mobbs S, Ross A, Weissmann M. 2007. Gap flows: Results from the Mesoscale Alpine Programme. Q. J. R. Meteorol. Soc. 133: 881-896.
16. Pan F, Smith RB. 1999. Gap winds and wakes: SAR Observations and numerical simulations. J. Atmos. Sci. 56: 905-923.
17. Prandtl L. 1942. Führer durch die Strömungslehre. Friedr. Vieweg & Sohn: Braunschweig, Germany.
18. Scorer RS. 1952. Mountain-gap winds: A study of surface wind at Gibraltar. Q. J. R. Meteorol. Soc. 78: 53-61.
19. Smith RB. 1990. Why can't stably stratified air rise over high ground? Pp. 105-108 in Atmospheric processes over complex terrain. Meterological Monograph 23, Blumen W. (ed.) Amer. Meteorol. Soc: Boston, USA.
20. Zängl G. 2002. Idealized numerical simulations of shallow föhn. Q. J. R. Meteorol. Soc. 128: 431-450.