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Table of Contents - The Atmospheric Studies Group at TRC

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Section 8: CALMET Model Files<br />

<strong>Table</strong> 8-21 (Continued)<br />

MM4/MM5 Derived Gridded Wind D<strong>at</strong>a File Form<strong>at</strong> (MM4.DAT)<br />

DATA RECORDS (repe<strong>at</strong>ed for each grid cell in extraction subdomain)<br />

D<strong>at</strong>a Record<br />

Variable No. Variable Type Description<br />

1 MYR integer Year <strong>of</strong> MM4/MM5 wind d<strong>at</strong>a<br />

2 MMO integer Month <strong>of</strong> MM4/MM5 wind d<strong>at</strong>a<br />

3 MDAY integer Day <strong>of</strong> MM4/MM5 wind d<strong>at</strong>a<br />

4 MHR integer Hour (GMT) <strong>of</strong> MM4/MM5 wind d<strong>at</strong>a<br />

5 IX integer I-index (X direction) <strong>of</strong> grid cell<br />

6 JX integer J-index (Y direction) <strong>of</strong> grid cell<br />

7 PRES real surface pressure (mb)<br />

8 RAIN real total rainfall for the past hour (cm)<br />

9 SC integer snow cover indic<strong>at</strong>or (0 or 1, where 1 = snow cover was<br />

determined to be present for the MM4 simul<strong>at</strong>ion<br />

form<strong>at</strong> (4i2,2i3,f7.1,f5.2,i2)<br />

D<strong>at</strong>a Records (one record for each mand<strong>at</strong>ory Level(8) * plus `NZP' significant levels)<br />

Variable No. Variable Type Description<br />

1 - integer Pressure (tenths <strong>of</strong> millibars)<br />

2 Z integer Elev<strong>at</strong>ion (meters above m.s.l.)<br />

3** - integer Temper<strong>at</strong>ure/dew point depression in NWS form<strong>at</strong><br />

(TTTDD)<br />

4 WD integer Wind direction (degrees)<br />

5 WS integer Wind speed (knots)<br />

form<strong>at</strong> <strong>of</strong> d<strong>at</strong>a (i5,3i6,5x)<br />

form<strong>at</strong> used by CALMET to read the d<strong>at</strong>a (5x,f6.0,6x,f4.0,f2.0)<br />

* <strong>The</strong> surface level is followed by the mand<strong>at</strong>ory levels <strong>of</strong> 1000, 925, 850, 700, 500, 400, and 300 mb. All<br />

subterranean mand<strong>at</strong>ory levels will have wind direction and wind speed <strong>of</strong> 0.<br />

8-97

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