W3FT06V

The W3FT06V routine converts a southern hemisphere 2.5 degree
           lat., lon. 145 by 37 grid to a polar stereographic
           65 by 65 grid. The polar stereographic map projection is
           true at 60 deg. south , the mesh length is 381 km. and the
           oriention is 260 deg. west.

USAGE:  CALL W3FT06V(ALOLA,APOLA,INTERP)

   Input variables:
      ALOLA  - 145*37 GID 2.5 LAT,LON GRID S. HEMISHERE
               5365 POINT GRID IS O.N.84 TYPE 30 OR 1E HEX
               INTERP - 1 LINEAR INTERPOLATION , NE.1 BIQUADRATIC

   Output variables:
      APOLA - 65*65 GRID OF NORTHERN HEMI.
              4225 POINT GRID IS O.N.84 TYPE 28 OR 1C HEX

   Input files:  NONE

   Output files: ERROR MESSAGE TO FORTRAN OUTPUT FILE

REMARKS:
    1. W1 AND W2 ARE USED TO STORE SETS OF CONSTANTS WHICH ARE
       REUSABLE FOR REPEATED CALLS TO THE SUBROUTINE.
    2. WIND COMPONENTS ARE NOT ROTATED TO THE 65*65 GRID ORIENTATION
       AFTER INTERPOLATION. YOU MAY USE W3FC10 TO DO THIS.
    3. THE GRID POINTS VALUES ON THE EQUATOR HAVE BEEN EXTRAPOLATED
       OUTWARD TO ALL THE GRID POINTS OUTSIDE THE EQUATOR ON THE 65*65
       GRID (ABOUT 1100 POINTS).

 
W3lib.tar Library contains Fortran 90 decoder/encoder routines for GRIB edition 1. (Fortran90)
Date posted: 2/22/2007