I. Introduction

        A. Why parameterize?
        B. Motivation pt1, pt2
        C. Brief review of other cloud fraction schemes
                    i.  RH based and mixing line slope
                    ii. subgrid variability
        D. XR description
                    i.   equation, basic definitions
                    ii.  how to apply?
                    iii. goals
        E. Data
        F. What is ASTEX?
                    i.   Sc, radar, sonde
        G. Liquid water content retrieval summary
                    i.   LWC and reflectivity equations
                    ii.  LWP constraint

II. Results

        A. Various methods
                    i.   parameterization,visual A&B, visual C&D
                    ii.  observed truth, observed methods
        B.  Comparison of various methods
                    i.   Fig. 1
                    ii.  comments
        C. Analytic profiles
                    i.   RH vs CF, ql vs CF, linear vs nonlinear
        D. Preliminary discussion
                    i.   impact of time averaging
                    ii.  RH sensitivity
        E.  RH only scheme
                    i.   XR vs RH only, similar to XR + 5% RH
                    ii.  RH and ql,  RH + ql + cloud fraction
                    iii.  single profile for 1 June 1992
        F.  Data problems/issues
                    i.   dBz vs. ql/qvs
                    ii.  dBz vs LWP
                    iii. PWV from sonde and MWR

III. Discussion/Conclusions

        A. Summary of findings
                    i.   scale dependency
                    ii.  sonde RH bias
                    iii. data problems
        B. Using CEM data to test representativeness
                    i.  method description
                    ii. preliminary results
 

For more info on this work see the paper @

ftp://ftp.met.utah.edu/pub/slazarus/astex/arm_astex_web.pdf

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