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Institute of Meteorology and Physics University of Agricultural Sciences, Vienna, Austria

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Information on Clear-Air Turbulence Parameterisation

Page under construction

Find more information about CAT on our Poster presented at the 15th Symposium on Boundary Layers and Turbulence (15-19.7 2002 Wageningen, NL).
To get an overview of the work follow the link to our extended abstract .

 CAT-occurrence (enlarge the pictures by pressing the right mouse botton and choosing view image)

Vertical cross sections at 10degE during the years 1995-1997 for four seasons (dark green indicates the average position of the thermal tropopause and the ABL):
               spring                                      fall                                    summer                                winter

Horizontal cross sections at three different levels for all seasons during the years 95-97:
                spring                                   fall                                   summer                               winter
             11km

              spring                                    fall                                    summer                              winter
             9km

              spring                                fall                                     summer                                       winter
           4km

Global plots only for Oct. 2000:
                15km height asl                                                  8km height asl
             

Please contact us, if you have any ideas concerning the questions on the poster.

Andreas Frank

Petra Seibert

Link to a turbulence forecast product
 

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