Changing Temperature Inversion Characteristics in the U.S. Southwest and Relationships to Large-Scale Atmospheric Circulation

Adriana Bailey Cooperative Institute for Research in Environmental Sciences, Department of Geography, and Department of Atmospheric and Oceanic Sciences, University of Colorado at Boulder, Boulder, Colorado

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Thomas N. Chase Cooperative Institute for Research in Environmental Sciences, and Department of Civil, Environmental and Architectural Engineering, University of Colorado at Boulder, Boulder, Colorado

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John J. Cassano Cooperative Institute for Research in Environmental Sciences, and Department of Atmospheric and Oceanic Sciences, University of Colorado at Boulder, Boulder, Colorado

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David Noone Cooperative Institute for Research in Environmental Sciences, and Department of Atmospheric and Oceanic Sciences, University of Colorado at Boulder, Boulder, Colorado

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Abstract

Continental temperature inversions significantly influence air quality, yet little is known about their variability in frequency and intensity with time or sensitivity to dynamical changes with climate. Inversion statistics for six upper-air stations in the American Southwest are derived for the period 1994–2008 from radiosonde data reported by the Global Telecommunication System (GTS) and National Climatic Data Center (NCDC), which use different significant level standards. GTS data indicate that low-level elevated inversions have increased in frequency at four of six sites, consistent with enhanced regional stagnation projected by models. NCDC data, in contrast, show remarkable declines in weak, near-surface inversions through 2001, indicating local surface conditions may counteract atmospheric dynamics in regulating inversion activity and air quality. To further test the sensitivity of inversion activity to climate, associations between wintertime inversion frequency and large-scale circulation are quantified using the self-organizing map technique. Twenty-four representative circulation patterns are derived from North American Regional Reanalysis (NARR) 500-hPa geopotential height fields, and these patterns are correlated with inversion frequency at each site. Inversion activity in Salt Lake City, Utah, and Albuquerque and Santa Teresa, New Mexico, is found to correspond well with large-scale anticyclonic ridging; however, sensitivities to large-scale circulation in Denver, Colorado, and Flagstaff and Tucson, Arizona, are weak. Denver stands out in exhibiting a higher percentage of near-surface inversions in winter than the other southwestern sites. These findings indicate that dynamical changes with climate will not uniformly influence inversions and hence urban air quality conditions in the American Southwest.

Corresponding author address: Ms. Adriana Bailey, Cooperative Institute for Research in Environmental Sciences, University of Colorado at Boulder, UCB 216, Boulder, CO 80309. E-mail: adriana.bailey@colorado.edu

Abstract

Continental temperature inversions significantly influence air quality, yet little is known about their variability in frequency and intensity with time or sensitivity to dynamical changes with climate. Inversion statistics for six upper-air stations in the American Southwest are derived for the period 1994–2008 from radiosonde data reported by the Global Telecommunication System (GTS) and National Climatic Data Center (NCDC), which use different significant level standards. GTS data indicate that low-level elevated inversions have increased in frequency at four of six sites, consistent with enhanced regional stagnation projected by models. NCDC data, in contrast, show remarkable declines in weak, near-surface inversions through 2001, indicating local surface conditions may counteract atmospheric dynamics in regulating inversion activity and air quality. To further test the sensitivity of inversion activity to climate, associations between wintertime inversion frequency and large-scale circulation are quantified using the self-organizing map technique. Twenty-four representative circulation patterns are derived from North American Regional Reanalysis (NARR) 500-hPa geopotential height fields, and these patterns are correlated with inversion frequency at each site. Inversion activity in Salt Lake City, Utah, and Albuquerque and Santa Teresa, New Mexico, is found to correspond well with large-scale anticyclonic ridging; however, sensitivities to large-scale circulation in Denver, Colorado, and Flagstaff and Tucson, Arizona, are weak. Denver stands out in exhibiting a higher percentage of near-surface inversions in winter than the other southwestern sites. These findings indicate that dynamical changes with climate will not uniformly influence inversions and hence urban air quality conditions in the American Southwest.

Corresponding author address: Ms. Adriana Bailey, Cooperative Institute for Research in Environmental Sciences, University of Colorado at Boulder, UCB 216, Boulder, CO 80309. E-mail: adriana.bailey@colorado.edu
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  • Abdul-Wahab, S. A., C. S. Bakheit, and R. A. Siddiqui, 2005: Study of the relationship between the health effects and characterization of thermal inversions in the Sultanate of Oman. Atmos. Environ., 39, 54665471.

    • Search Google Scholar
    • Export Citation
  • Archer, C. L., and K. Caldeira, 2008: Historical trends in the jet streams. Geophys. Res. Lett., 35, L08803, doi:10.1029/2008GL033614.

  • Bengtsson, L., K. I. Hodges, and E. Roeckner, 2006: Storm tracks and climate change. J. Climate, 19, 35183543.

  • Cassano, J. J., P. Uotila, A. H. Lynch, and E. N. Cassano, 2007: Predicted changes in synoptic forcing of net precipitation in large Arctic river basins during the 21st century. J. Geophys. Res., 112, G04S49, doi:10.1029/2006JG000332.

    • Search Google Scholar
    • Export Citation
  • Geng, Q., and M. Sugi, 2003: Possible change of extratropical cyclone activity due to enhanced greenhouse gases and sulfate aerosols—Study with a high-resolution AGCM. J. Climate, 16, 22622274.

    • Search Google Scholar
    • Export Citation
  • Gillies, R., S.-Y. Wang, and M. R. Booth, 2010: Atmospheric scale interaction on wintertime Intermountain West low-level inversions. Wea. Forecasting, 25, 11961210.

    • Search Google Scholar
    • Export Citation
  • Grantz, K., B. Rajagopalan, M. Clark, and E. Zagona, 2007: Seasonal shifts in the North American monsoon. J. Climate, 20, 19231935.

  • Haagenson, P. L., 1979: Meteorological and climatological factors affecting Denver air quality. Atmos. Environ., 13, 7985.

  • Hewitson, B. C., and R. G. Crane, 2002: Self-organizing maps: Applications to synoptic climatology. Climate Res., 22, 1326.

  • Higgins, M. E., and J. J. Cassano, 2009: Impacts of reduced sea ice on winter Arctic atmospheric circulation, precipitation, and temperature. J. Geophys. Res., 114, D16107, doi:10.1029/2009JD011884.

    • Search Google Scholar
    • Export Citation
  • Hosler, C. R., 1961: Low-level inversion frequency in the contiguous United States. Mon. Wea. Rev., 89, 319339.

  • Incecik, S., 1996: Investigation of atmospheric conditions in Istanbul leading to air pollution episodes. Atmos. Environ., 30, 27392749.

    • Search Google Scholar
    • Export Citation
  • Kallos, G., P. Kassomenos, and R. A. Pielke, 1993: Synoptic and mesoscale weather conditions during pollution episodes in Athens, Greece. Bound.-Layer Meteorol, 62, 163184.

    • Search Google Scholar
    • Export Citation
  • Kohonen, T., 1998: The self-organizing map. Neurocomputing, 21, 16.

  • Kukkonen, J., and Coauthors, 2005: Analysis and evaluation of selected local-scale PM10 air pollution episodes in four European cities: Helsinki, London, Milan and Oslo. Atmos. Environ., 39, 27592773.

    • Search Google Scholar
    • Export Citation
  • Leung, L. R., and W. I. Gustafson, 2005: Potential regional climate change and implications to U.S. air quality. Geophys. Res. Lett., 32, L16711, doi:10.1029/2005GL022911.

    • Search Google Scholar
    • Export Citation
  • Luers, J. K., 1997: Temperature error of the Vaisala RS90 radiosonde. J. Atmos. Oceanic Technol., 14, 15201532.

  • Malek, E., T. Davis, R. S. Martin, and P. J. Silva, 2006: Meteorological and environmental aspects of one of the worst national air pollution episodes (January, 2004) in Logan, Cache Valley, Utah, USA. Atmos. Res., 79, 108122.

    • Search Google Scholar
    • Export Citation
  • Mickley, L. J., D. J. Jacob, B. D. Field, and D. Rind, 2004: Effects of future climate change on regional air pollution episodes in the United States. Geophys. Res. Lett., 31, L24103, doi:10.1029/2004GL021216.

    • Search Google Scholar
    • Export Citation
  • Milionis, A. E., and T. D. Davies, 2008a: The effect of the prevailing weather on the statistics of atmospheric temperature inversions. Int. J. Climatol., 28, 13851397.

    • Search Google Scholar
    • Export Citation
  • Milionis, A. E., and T. D. Davies, 2008b: A comparison of temperature inversion statistics at a coastal and a non-coastal location influenced by the same synoptic regime. Theor. Appl. Climatol., 94, 225239.

    • Search Google Scholar
    • Export Citation
  • Olofson, K. F. G., P. U. Andersson, M. Hallquist, E. Ljungström, L. Tang, D. Chen, and J. B. C. Pettersson, 2009: Urban aerosol evolution and particle formation during wintertime temperature inversions. Atmos. Environ., 43, 340346.

    • Search Google Scholar
    • Export Citation
  • Reddy, P. J., D. E. Barbarick, and R. D. Osterburg, 1995: Development of a statistical model for forecasting episodes of visibility degradation in the Denver metropolitan area. J. Appl. Meteor., 34, 616625.

    • Search Google Scholar
    • Export Citation
  • Reeves, H. D., and D. J. Stensrud, 2009: Synoptic-scale flow and valley cold pool evolution in the western United States. Wea. Forecasting, 24, 16251639.

    • Search Google Scholar
    • Export Citation
  • Riehl, H., and D. Herkhof, 1972: Some aspects of Denver air pollution meteorology. J. Appl. Meteor., 11, 10401047.

  • Romero, H., M. Ihl, A. Rivera, P. Zalazar, and P. Azocar, 1999: Rapid urban growth, land-use changes and air pollution in Santiago, Chile. Atmos. Environ., 33, 40394047.

    • Search Google Scholar
    • Export Citation
  • Savoie, M. H., and T. B. McKee, 1995: The role of wintertime radiation in maintaining and destroying stable layers. Theor. Appl. Climatol., 52, 4354.

    • Search Google Scholar
    • Export Citation
  • Schnell, R. C., S. J. Otlmans, R. R. Neely, M. S. Endres, J. V. Molenar, and A. B. White, 2009: Rapid photochemical production of ozone at high concentrations in a rural site during winter. Nat. Geosci., 2, 120122.

    • Search Google Scholar
    • Export Citation
  • Schnelle, K. B., and C. A. Brown, 2002: The Air Pollution Control Technology Handbook. CRC Press, 386 pp.

  • Schuenemann, K., and J. J. Cassano, 2010: Changes in synoptic weather patterns and Greenland precipitation in the 20th and 21st centuries: 2. Analysis of 21st century atmospheric changes using self-organizing maps. J. Geophys. Res., 115, D05108, doi:10.1029/2009JD011706.

    • Search Google Scholar
    • Export Citation
  • Schwartz, B., and M. Govett, 1992: A hydrostatically consistent North American radiosonde data base at the Forecast Systems Laboratory, 1946–present. NOAA Tech. Memo. ERL FSL-4, 81 pp.

    • Search Google Scholar
    • Export Citation
  • Silva, P. J., E. L. Vawdrey, M. Corbett, and M. Erupe, 2007: Fine particle concentrations and composition during wintertime inversions in Logan, Utah, USA. Atmos. Environ., 41, 54105422.

    • Search Google Scholar
    • Export Citation
  • Skific, N., J. A. Francis, and J. J. Cassano, 2009: Attribution of seasonal and regional changes in Arctic moisture convergence. J. Climate, 22, 51155134.

    • Search Google Scholar
    • Export Citation
  • Whiteman, C. D., X. Bian, and S. Zhong, 1999: Wintertime evolution of the temperature inversion in the Colorado Plateau Basin. J. Appl. Meteor., 38, 11031118.

    • Search Google Scholar
    • Export Citation
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