| Joint Session 1 | 
|  | Climatology and Aviation (Joint Session between the 10th Conference on Aviation, Range, and Aerospace Meteorology and the 13th Conference on Applied Climatology) | 
|  | Organizer: Mark Andrews, National Weather Service, Silver Spring, MD 
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|  | 2:00 PM | J1.1 | Jet Aircraft Contrails: Surface Temperature Variations During the Aircraft Groundings of Sept. 11–13, 2001 David J. Travis, Univ. of Wisconsin, Whitewater, WI; and A. M. Carleton and R. G. Lauritsen
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|  | 2:15 PM | J1.2 | A study of contrail spreading over the Great Lakes   David P. Duda, Hampton University, Hampton, VA; and P. Minnis and R. Palikonda
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|  | 2:30 PM | J1.3 | Contrail climatology over the USA from MODIS and AVHRR data Rabindra Palikonda, AS&M, Inc., Hampton, VA; and P. Minnis, P. K. Costulis, and D. P. Duda
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|  | 2:45 PM | J1.4 | Analysis of Lightning Cloud-to-Ground Flash Activity for National Aviation choke point region Studies   Thomas A. Seliga, USDOT/Volpe National Transportation Systems Center, Cambridge, MA; and D. A. Hazen and C. Schauland
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|  | 3:00 PM |  | Coffee Break 
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|  | 3:30 PM | J1.5 | An inferred icing climatology—part I: estimation from pilot reports and surface conditions   Gregory S. Young, NCAR, Boulder, CO; and B. G. Brown and F. McDonough
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|  | 3:45 PM | J1.6 | An Inferred Icing Climatology—Part II: Applying a Version of IIDA to 14-years of Coincident Soundings and Surface Observations   Ben C. Bernstein, NCAR, Boulder, CO; and F. McDonough
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|  | 4:00 PM | J1.7 | An Inferred Icing Climatology—Part III: Icing AIRMETs and IIDA   Tressa L. Fowler, NCAR, Boulder, CO; and M. Crandell and B. G. Brown
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|  | 4:15 PM | J1.8 | Climatologies of Upper-Level Turbulence over the Continental U.S. and Oceans   Robert Sharman, NCAR, Boulder, CO; and J. Wolff, T. L. Fowler, and B. G. Brown
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|  | 4:30 PM | J1.9 | An analysis of the temporal and spatial distribution of ACARS data in support of the TAMDAR program   Brian Jamison, NOAA/FSL, Boulder, CO; and W. R. Moninger
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|  | 4:45 PM | J1.10 | Climatology study of world airports in the context of wake vortex behaviour class   Paul Agnew, Met Office, Bracknell, Berks., United Kingdom; and D. J. Hoad
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