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Table of Contents - The Atmospheric Studies Group at TRC

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Section 7: Prognostic Meteorological Interfaces<br />

<strong>Table</strong> 7-9 (Continued)<br />

MM5 Derived Surface 2-D Variables File Form<strong>at</strong> (2D.DAT)<br />

Header Record #N+1<br />

Variable No. Variable Type Description<br />

1 IOUTW Integer Flag indic<strong>at</strong>ing if vertical velocity is recorded.<br />

2 IOUTQ Integer Flag indic<strong>at</strong>ing if rel<strong>at</strong>ive humidity and vapor mixing r<strong>at</strong>io<br />

are recorded<br />

3 IOUTC Integer Flag indic<strong>at</strong>ing if cloud and rain mixing r<strong>at</strong>ios are<br />

recorded.<br />

4 IOUTI Integer Flag indic<strong>at</strong>ing if ice and snow mixing r<strong>at</strong>ios are recorded.<br />

5 IOUTG Integer Flag indic<strong>at</strong>ing if graupel mixing r<strong>at</strong>io is recorded.<br />

6 IOSRF Integer Flag indic<strong>at</strong>ing if surface 2-D variables is recorded<br />

7 y1dmn real SW dot point Y coordin<strong>at</strong>e (km, Grid 1,1) in MM5<br />

8 dxy real Grid size (km)<br />

9 nx integer Number <strong>of</strong> grids in X-direction (West-East) in MM5<br />

10 ny integer Number <strong>of</strong> grids in Y-direction (South-North) in MM5<br />

11 nz integer Number <strong>of</strong> sigma layers in MM5<br />

Form<strong>at</strong>(a4,f9.4,f10.4,2f7.2,2f10.3,f8.3,2i4,i3)<br />

Header Record #N+3<br />

Variable No. Variable Type Description<br />

1 INHYD integer 0: hydrost<strong>at</strong>ic MM5 run - 1: non-hydrost<strong>at</strong>ic<br />

2 IMPHYS integer MM5 moisture options.<br />

1: dry<br />

2: removal <strong>of</strong> super s<strong>at</strong>ur<strong>at</strong>ion<br />

3: warm rain (Hsie)<br />

4: simple ice scheme (Dudhia)<br />

5: mixed phase (Reisner)<br />

6: mixed phase with graupel (Goddard)<br />

7: mixed phase with graupel (Reisner)<br />

3 ICUPA integer MM5 cumulus parameteriz<strong>at</strong>ion<br />

1: none<br />

2: Anthes-Kuo<br />

3: Grell<br />

4: Arakawa-Schubert<br />

5: Fritsch-Chappel<br />

6: Kain-Fritsch<br />

7: Betts-Miller<br />

7-21

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