Table of Contents - The Atmospheric Studies Group at TRC

Section 7: Prognostic Meteorological Interfaces
Table 7-9 (Continued)
MM5 Derived Surface 2-D Variables File Format (2D.DAT)
HEADER RECORDS
Next NZP Records
Variable No. Variable Type Description
1 SIGMA real array Sigma values used by MM5 to define each of the
NZP layers (half-sigma levels) read as:
do 10 I=1,NZP
10 READ (iomm4,20) SIGMA(I)
20 FORMAT (F6.3)
Next NXP*NYP Records
Variable No. Variable Type Description
1 IINDEX integer I-index (X direction) of the extracted grid point in
original MM5 domain.
2 JINDEX integer J-index (Y direction) of the extracted grid point in
original MM5 domain.
3 XLATDOT real array Latitude (degrees) of the extracted grid point, positive
values for the Northern Hemisphere, negative values
for the Southern Hemisphere. –999. for missing values.
4 XLONGDOT real array Longitude (degrees) of the extracted grid point,
positive values for the Eastern Hemisphere, negative
values for the Western Hemisphere. –999. for missing
values.
5 IELEVDOT integer array Terrain elevation of the extracted grid point at dot
position (m MSL)
6 ILAND integer array MM5 landuse categories at extracted cross points (-9
for missing values)
7 XLATCRS real array Same as XLATDOT but at cross point
8 XLATCRS real array Same as XLATDOT but at cross point
9 IELEVCRS integer array Same as IELEVDOT but at cross point
Format (2i4, f9.4, f10.4, i5, i3, 1x, f9.4, f10.4,i5)
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