NCEPLIBS-w3emc 2.12.0
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w3ft207.f File Reference

Convert (361,91) grid to (49,35) n. More...

Go to the source code of this file.

Functions/Subroutines

subroutine w3ft207 (alola, apola, interp)
 Convert a northern hemisphere 1.0 degree lat.,lon.
 

Detailed Description

Convert (361,91) grid to (49,35) n.

hemi. grid

Author
Ralph Jones
Date
1993-10-19

Definition in file w3ft207.f.

Function/Subroutine Documentation

◆ w3ft207()

subroutine w3ft207 ( real, dimension(361,91)  alola,
real, dimension(npts)  apola,
  interp 
)

Convert a northern hemisphere 1.0 degree lat.,lon.

361 by 91 grid to a polar stereographic 49 by 35 grid. The polar stereographic map projection is true at 60 deg. n. , The mesh length is 95.25 km. and the oriention is 150 deg. w. awips grid 207 regional - alaska.

Program History Log:

Date Programmer Comment
1993-10-19 Ralph Jones Initial.
Parameters
[in]ALOLA361*91 grid 1.0 deg. lat,lon grid n. hemi. 32851 point grid. 360 * 181 one degree grib grid 3 was flipped, greenwish added to right side and cut to 361 * 91.
[in]INTERP1 linear interpolation , ne.1 biquadratic
[out]APOLA49*35 grid of northern hemisphere. 1715 point grid is awips grid type 207
Note
  • 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 49*35 grid orientation after interpolation. You may use w3fc08() to do this.
Author
Ralph Jones
Date
1993-10-19

Definition at line 30 of file w3ft207.f.